Dodatak:Popis vrsta:Porodice
Popis porodica
uredi...
- Abacionidae
- Abelsporidae
- Aberrantidae
- Abrocomidae
- Abylidae
- Abyssocottidae
- Acalyptonotidae
- Acanaloniidae
- Acanthaceae
- Acanthametropodidae
- Acanthamoebidae
- Acanthaspidiidae
- Acanthasteridae
- Acanthisittidae
- Acanthobdellidae
- Acanthocerataceae
- Acanthochaetetidae
- Acanthochitonidae
- Acanthocistidae
- Acanthocollaritrematidae
- Acanthocolpidae
- Acanthocotylidae
- Acanthodrilidae
- Acanthoecaceae
- Acanthogorgiidae
- Acanthometridae
- Acanthonotozomellidae
- Acanthopidae
- Acanthopteroctetidae
- Acanthosomatidae
- Acanthostomatidae
- Acanthuridae
- Acaridae
- Acarnidae
- Acaronychidae
- Acarosporaceae
- Acartiidae
- Acartophthalmidae
- Acaulidae
- Acaulosporaceae
- Accacoeliidae
- Accipitridae
- Aceraceae
- Acerentomidae
- Acervulinidae
- Acestrorhynchidae
- Acetobacteraceae
- Achatinellidae
- Achatinidae
- Achatocarpaceae
- Achilidae
- Achilixiidae
- Achipteriidae
- Achiridae
- Achiropsettidae
- Achnanthaceae
- Achnanthidiaceae
- Acholeplasmataceae
- Achramorphidae
- Acidaminococcaceae
- Acidimicrobiaceae
- Acidithiobacillaceae
- Acidobacteriaceae
- Acidopsidae
- Acidothermaceae
- Acinetidae
- Acinetopsidae
- Acinetosporaceae
- Acipenseridae
- Aclerdidae
- Aclididae
- Aclistocharaceae
- Aclopidae
- Acmaeidae
- Acoetidae
- Acontiophoridae
- Acoraceae
- Acrasiaceae
- Acrididae
- Acrobatidae
- Acrobolbaceae
- Acroceridae
- Acrochaetiaceae
- Acrochordidae
- Acrocirridae
- Acrolepiidae
- Acrolophidae
- Acroloxidae
- Acropisthiidae
- Acropomatidae
- Acroporidae
- Acrosiphoniaceae
- Acrospermaceae
- Acrosymphytaceae
- Acrotylaceae
- Acrumenidae
- Actaeciidae
- Actaletidae
- Acteonidae
- Actinernidae
- Actinidiaceae
- Actiniidae
- Actiniscaceae
- Actinobolinidae
- Actinochloridaceae
- Actinocyclidae
- Actinodendronidae
- Actinolaimidae
- Actinommidae
- Actinomycetaceae
- Actinophyridae
- Actinopodidae
- Actinoporidae
- Actinoposthiidae
- Actinoscyphiidae
- Actinosphaeridae
- Actinostolidae
- Actinosynnemataceae
- Acuariidae
- Aculeorhynchidae
- Acytosteliaceae
- Addisoniidae
- Adelanthaceae
- Adelgidae
- Adelidae
- Adelococcaceae
- Adenocystaceae
- Adenoviridae
- Aderidae
- Adhaesozetidae
- Adiheterothripidae
- Adinetidae
- Adnatosphaeridiaceae
- Adoxaceae
- Adrianichthyidae
- Adritylidae
- Aegialiidae
- Aegidae
- Aeginidae
- Aegiridae
- Aegisthidae
- Aegithalidae
- Aegithinidae
- Aegothelidae
- Aegyrianidae
- Aenictopecheidae
- Aeolidiidae
- Aeolothripidae
- Aequoreidae
- Aerococcaceae
- Aeroligeraceae
- Aeromonadaceae
- Aeropsidae
- Aeshnidae
- Aethozoontidae
- Aethridae
- Aetideidae
- Aeverrilliidae
- Agalmatidae
- Agamidae
- Agaonidae
- Agaricaceae
- Agariciidae
- Agaricostilbaceae
- Agathemeridae
- Agathiphagidae
- Agathotanaidae
- Agelasidae
- Agelenidae
- Agfidae
- Aglajidae
- Aglaopheniidae
- Agnaridae
- Agnathiellidae
- Agnesiidae
- Agneziidae
- Agonidae
- Agonoxenidae
- Agoutidae
- Agromyzidae
- Agyriaceae
- Ahnfeltiaceae
- Aididae
- Aigialaceae
- Ailuridae
- Aiptasiidae
- Aiptasiomorphidae
- Aisenvergiidae
- Aizoaceae
- Ajellomycetaceae
- Akeridae
- Akkesiphycaceae
- Akysidae
- Alabaminidae
- Alaimidae
- Alariaceae
- Alatinidae
- Alaudidae
- Alavatanaidae
- Albatrellaceae
- Albuginaceae
- Albulatrematidae
- Albulidae
- Albuneidae
- Alcaligenaceae
- Alcanivoracaceae
- Alcedinidae
- Alcidae
- Alciopidae
- Alcyonidae
- Alcyonidiidae
- Alcyoniidae
- Aldisidae
- Alepisauridae
- Alepocephalidae
- Alestidae
- Aleurodamaeidae
- Aleyrodidae
- Aliciidae
- Alicorhagiidae
- Alicyclobacillaceae
- Aliquandostipitaceae
- Alirhabditidae
- Alismataceae
- Allantonematidae
- Allantosomatidae
- Allassogonoporidae
- Allisoniaceae
- Allocrangonyctidae
- Allocreadiidae
- Allogromiidae
- Alloherpesviridae
- Alloionematidae
- Allomicrocotylidae
- Alloniscidae
- Allopocockiidae
- Alloposidae
- Alloptidae
- Allopyragraphoridae
- Allosphaeriidae
- Allothyridae
- Alluroididae
- Alopiidae
- Alpheidae
- Alstroemeriaceae
- Altajellidae
- Alteromonadaceae
- Alucitidae
- Alveolinidae
- Alvinellidae
- Alvinocarididae
- Alydidae
- Alytidae
- Alzateaceae
- Amanitaceae
- Amaranthaceae
- Amarsipidae
- Amaryllidaceae
- Amathillopsidae
- Amathinidae
- Amaurobiidae
- Ambassidae
- Ambisporaceae
- Amblycipitidae
- Amblyopsidae
- Amblystegiaceae
- Ambunguipedidae
- Ambystomatidae
- Ameiridae
- Ameletidae
- Ameletopsidae
- Ameridae
- Amerobelbidae
- Ameronothridae
- Ameroseiidae
- Ametropodidae
- Ametroproctidae
- Amidostomatidae
- Amiidae
- Ammodesmidae
- Ammodiscidae
- Ammodochiaceae
- Ammodytidae
- Ammotheidae
- Ammotrechidae
- Ammoxenidae
- Amniculicolaceae
- Amoebidae
- Amoebidiaceae
- Amoebophyraceae
- Amorphoscelidae
- Amorphothecaceae
- Ampeliscidae
- Ampharetidae
- Amphibolidae
- Amphibothrellidae
- Amphientomidae
- Amphilepididae
- Amphileptidae
- Amphiliidae
- Amphilinidae
- Amphilochidae
- Amphimeniidae
- Amphinectidae
- Amphinomidae
- Amphionididae
- Amphipauropodidae
- Amphipleuraceae
- Amphiporidae
- Amphipsocidae
- Amphipterygidae
- Amphisbaenia
- Amphisbaenidae
- Amphisiellidae
- Amphisoleniaceae
- Amphisopidae
- Amphisphaeriaceae
- Amphitretidae
- Amphiumidae
- Amphiuridae
- Amphizoidae
- Amphoriscidae
- Ampithoidae
- Amplexoporidae
- Ampulicidae
- Ampullariidae
- Ampullaviridae
- Amylocorticiaceae
- Amylostereaceae
- Anabantidae
- Anabathridae
- Anablepidae
- Anacanthobatidae
- Anacardiaceae
- Anadyomenaceae
- Anaerolinaeceea
- Anaeroplasmataceae
- Anajapygidae
- Analgidae
- Anamylopsoraceae
- Anaperidae
- Anapidae
- Anaplasmataceae
- Anapronoidae
- Anarhichadidae
- Anarthriaceae
- Anarthruridae
- Anastrophyllaceae
- Anatidae
- Anatomidae
- Anatonchidae
- Anaulaceae
- Anaxyelidae
- Anchariidae
- Anchistioididae
- Anchorophoridae
- Ancinidae
- Ancistrocheiridae
- Ancistropsyllidae
- Ancorabolidae
- Ancorinidae
- Ancylidae
- Ancylistaceae
- Ancylostomatidae
- Andesembiidae
- Andreaeaceae
- Andreaeobryaceae
- Andrenidae
- Andresiidae
- Andrognathidae
- Andwakiidae
- Anelasmatidae
- Anemiaceae
- Aneuraceae
- Angiostrongylidae
- Anguidae
- Anguillicolidae
- Anguillidae
- Anguinidae
- Angulomycetaceae
- Anhimidae
- Anhingidae
- Aniliidae
- Anisacanthidae
- Anisakidae
- Anisembiidae
- Anisitsiellidae
- Anisogammaridae
- Anisolabididae
- Anisolpidiaceae
- Anisopodidae
- Annectocymidae
- Anniellidae
- Annonaceae
- Annulariidae
- Annulatascaceae
- Anobiidae
- Anolotichiidae
- Anomalepidae
- Anomalinidae
- Anomalopidae
- Anomalopsychidae
- Anomaluridae
- Anomiidae
- Anomochilidae
- Anomoeoneidaceae
- Anomoeotidae
- Anomosetidae
- Anonymidae
- Anophryidae
- Anoplocephalidae
- Anoplodiscidae
- Anoplogastridae
- Anoplophryidae
- Anoplopomatidae
- Anoplostomatidae
- Anostomidae
- Anostostomatidae
- Anotopteridae
- Anseranatidae
- Antarcturidae
- Antedonidae
- Antelientomidae
- Antennariidae
- Antennulariellaceae
- Antheliaceae
- Anthelidae
- Antheluridae
- Anthemiphylliidae
- Anthessiidae
- Anthicidae
- Anthocerotaceae
- Anthocoridae
- Anthogonidae
- Anthomyiidae
- Anthomyzidae
- Anthoptilidae
- Anthothelidae
- Anthracoideaceae
- Anthribidae
- Anthroleucosomatidae
- Anthuridae
- Anticomidae
- Antigomonidae
- Antigonariidae
- Antilocapridae
- Antipathidae
- Antipodoeciidae
- Antonbruunidae
- Antrodiaetidae
- Antroposthiidae
- Antygomonidae
- Anulidentaliidae
- Anuropidae
- Anurosporidiidae
- Anyphaenidae
- Anystidae
- Aoridae
- Apataniidae
- Apatopygidae
- Apertospathulidae
- Aphanhysteridae
- Aphanipathidae
- Aphanodactylidae
- Aphanopsidaceae
- Aphelacaridae
- Aphelariaceae
- Aphelenchidae
- Aphelenchoididae
- Aphelidesmidae
- Aphelinidae
- Aphididae
- Aphilodontidae
- Aphodiidae
- Aphredoderidae
- Aphrocallistidae
- Aphroditidae
- Aphrophoridae
- Aphyonidae
- Apiaceae
- Apidae
- Apioceridae
- Apionidae
- Apiosporaceae
- Apistidae
- Apistobranchidae
- Aploactinidae
- Aplocheilidae
- Aplodactylidae
- Aplodontiidae
- Aplustridae
- Aplysiidae
- Aplysinellidae
- Aplysinidae
- Apocynaceae
- Apodachlyellaceae
- Apodidae
- Apogonidae
- Apolemiidae
- Aponchiidae
- Aponogetonaceae
- Aporcelaimidae
- Apororhynchidae
- Aporrhaididae
- Aprosphylosomatidae
- Apseudellidae
- Apseudidae
- Apsiktratidae
- Apsilocephalidae
- Apteronotidae
- Apteropanorpidae
- Apterouridae
- Apterygidae
- Apystomyiidae
- Aquamycetaceae
- Aquificaceae
- Aquifoliaceae
- Aracanidae
- Araceae
- Arachnactidae
- Arachnidiidae
- Arachnoidiscaceae
- Arachnomycetaceae
- Aradidae
- Araliaceae
- Aramidae
- Araneidae
- Arapaimidae
- Araucariaceae
- Arbaciidae
- Arborichthoniidae
- Arcellidae
- Arceremaeidae
- Archaeidae
- Archaeobalanidae
- Archaeoglobaceae
- Archaeomonadaceae
- Archaeoscinidae
- Archaeosporaceae
- Archasteridae
- Archembiidae
- Archeocrypticidae
- Archidiaceae
- Archidorididae
- Archimonocelididae
- Archinotodelphyidae
- Archiphormididae
- Archipsocidae
- Archirhizidae
- Architectonicidae
- Architeuthidae
- Arcidae
- Arcticidae
- Arctiidae
- Arctomiaceae
- Arcturidae
- Arcturididae
- Arcuospathidiidae
- Arcyriaceae
- Ardeidae
- Ardissoneaceae
- Arecaceae
- Arenaviridae
- Arenicolidae
- Areobiotrematidae
- Areschougiaceae
- Argasidae
- Argentinidae
- Argestidae
- Argidae
- Argissidae
- Argonautidae
- Argulidae
- Argynnaceae
- Arhynchonemertidae
- Arhythmacanthidae
- Aribatidae
- Arietellidae
- Ariidae
- Ariommatidae
- Arionidae
- Aristeidae
- Aristiidae
- Aristolochiaceae
- Arizonaphlyctidaceae
- Armadillidae
- Armadillidiidae
- Armaueriidae
- Arminidae
- Armorhydridae
- Arnelliaceae
- Arnolidae
- Aromobatidae
- Arrenuridae
- Arrhenophanidae
- Arrhopalitidae
- Arripidae
- Artamidae
- Artedidraconidae
- Artematopodidae
- Artemiidae
- Arteriviridae
- Artesiidae
- Artheneidae
- Arthoniaceae
- Arthopyreniaceae
- Arthrocladiaceae
- Arthrodermataceae
- Arthroleptidae
- Arthropleidae
- Arthrorhaphidaceae
- Artostrobiidae
- Artotrogidae
- Ascalaphidae
- Ascarididae
- Ascaridiidae
- Aschiphasmatidae
- Asciaporrectidae
- Ascidae
- Ascidicolidae
- Ascidiidae
- Asclepiadaceae
- Ascobolaceae
- Ascocorticiaceae
- Ascodesmidaceae
- Ascodichaenaceae
- Ascoideaceae
- Asconiscidae
- Ascopariidae
- Ascoporiaceae
- Ascoseiraceae
- Ascosphaeraceae
- Ascothoracidae
- Ascoviridae
- Asellariaceae
- Asellidae
- Asfarviridae
- Asilidae
- Asiopsocidae
- Asparagaceae
- Aspidiscidae
- Aspidodiadematidae
- Aspidogastridae
- Aspidosiphonidae
- Aspidotheliaceae
- Asplanchnidae
- Aspleniaceae
- Aspredinidae
- Assimineidae
- Astacidae
- Astartidae
- Astasiaceae
- Astegistidae
- Asteiidae
- Asteliaceae
- Asteraceae
- Asterigerinidae
- Asteriidae
- Asterinaceae
- Asterinidae
- Asterocheridae
- Asterodiscididae
- Asterolampraceae
- Asteronotidae
- Asteronychidae
- Asteropseidae
- Asterothyriaceae
- Astriclypeidae
- Astroblepidae
- Astrocoeniidae
- Astropectinidae
- Astrorhizidae
- Astroscleridae
- Astroviridae
- Astylozoidae
- Asyncorynidae
- Atactotoechidae
- Ataxophragmiidae
- Atelecrinidae
- Atelecyclidae
- Ateleopodidae
- Atelestidae
- Atemnidae
- Atheliaceae
- Athericidae
- Atherinidae
- Atherinopsidae
- Athienemanniidae
- Athoracophoridae
- Athorybiidae
- Atlantasellidae
- Atlantidae
- Atollidae
- Atopetholidae
- Atopochthoniidae
- Atopogestidae
- Atopomelidae
- Atorellidae
- Atractaspididae
- Atractogloeaceae
- Atrichornithidae
- Atriplectididae
- Atrochidae
- Attelabidae
- Attemsiidae
- Attheyaceae
- Atubaridae
- Aturidae
- Atyidae
- Atypidae
- Auchenipteridae
- Auerbachiidae
- Augaptilidae
- Aulacanthidae
- Aulacidae
- Aulacigastridae
- Aulacoctenidae
- Aulacodiscaceae
- Aulacomniaceae
- Aulacoseiraceae
- Aulacothyropsidae
- Aulocalycidae
- Aulocystidae
- Aulographaceae
- Aulolaimidae
- Aulonocnemidae
- Aulopidae
- Auloplacidae
- Aulorhynchidae
- Aulostomidae
- Aurantimonadaceae
- Aurelianidae
- Auriculaceae
- Auriculariaceae
- Auridistomidae
- Auriscalpiaceae
- Aurosphaeraceae
- Austrachipteriidae
- Australembiidae
- Australimyzidae
- Australomedusidae
- Austrarcturellidae
- Austrochilidae
- Austrodecidae
- Austroglanididae
- Austrognathiidae
- Austroleptidae
- Austroperlidae
- Austropetaliidae
- Austrophasmatidae
- Autognetidae
- Aveliidae
- Avenzoariidae
- Aviellidae
- Avsunviroidae
- Axiidae
- Axiidae
- Axinellidae
- Axinidae
- Axonolaimidae
- Axonopsidae
- Axymyiidae
- Aytoniaceae
- Azollaceae
- Azoricidae
- Azygiidae
- Babakinidae
- Bacillaceae
- Bacillariaceae
- Bacillidae
- Bacteriovoracaceae
- Bacteroidaceae
- Baculoviridae
- Badidae
- Baeomycetaceae
- Baeriidae
- Baetidae
- Baetiscidae
- Bagridae
- Bahiaxenidae
- Baicalarctiidae
- Bairdiidae
- Bakuellidae
- Balaenanemertidae
- Balaenidae
- Balaenophilidae
- Balaenopteridae
- Balanidae
- Balanionidae
- Balanophoraceae
- Balantidiidae
- Balantiopsidaceae
- Balbianiaceae
- Balellidae
- Balfouriidae
- Balistidae
- Balitoridae
- Balliaceae
- Balloniscidae
- Ballophilidae
- Balsaminaceae
- Bangiaceae
- Bankeraceae
- Banjosidae
- Barbarochthonidae
- Barbourisiidae
- Barcinididae
- Bardelielidae
- Barentsiidae
- Barleeidae
- Barleeiidae
- Barnaviridae
- Bartheletiaceae
- Bartonellaceae
- Bartramiaceae
- Barybrotidae
- Barychelidae
- Basellaceae
- Basidiobolaceae
- Basiliolidae
- Basilobelbidae
- Basipodellidae
- Bastianiidae
- Bataceae
- Bateidae
- Bathocyroidae
- Bathyalozoontidae
- Bathybelosidae
- Bathyclupeidae
- Bathycotylidae
- Bathycrinidae
- Bathyctenidae
- Bathydraconidae
- Bathyergidae
- Bathylaconidae
- Bathylagidae
- Bathylasmatidae
- Bathylutichthyidae
- Bathymasteridae
- Bathynataliidae
- Bathynellidae
- Bathypalaemonellidae
- Bathyphellidae
- Bathypontiidae
- Bathysauridae
- Bathysauroididae
- Bathysauropsidae
- Bathysquillidae
- Bathyteuthidae
- Bathytropidae
- Batillariidae
- Batillipedidae
- Batistiaceae
- Batoteuthidae
- Batrachedridae
- Batrachoididae
- Batrachospermaceae
- Batrachotrematidae
- Bdellidae
- Bdellodrilidae
- Bdellouridae
- Bdellovibrionaceae
- Bedelliidae
- Bedotiidae
- Beesoniidae
- Beggiatoaceae
- Begoniaceae
- Behningiidae
- Beijerinckiaceae
- Belidae
- Bellerocheaceae
- Belliidae
- Belohinidae
- Belondiridae
- Belonidae
- Belonolaimidae
- Belostomatidae
- Bembridae
- Benedeniporidae
- Benthesicymidae
- Bentheuphausiidae
- Benthopectinidae
- Beornidae
- Beraeidae
- Berberidaceae
- Bereniceidae
- Berkeleyaceae
- Beroidae
- Berothidae
- Bertiaceae
- Bertiliellidae
- Berycidae
- Berytidae
- Berytoniscidae
- Bethylidae
- Betulaceae
- Beutenbergiaceae
- Biancolinidae
- Biatorellaceae
- Bibionidae
- Bicoecaceae
- Bicosoecaceae
- Biddulphiaceae
- Bifidobacteriaceae
- Bignoniaceae
- Biokoviellidae
- Bionectriaceae
- Bipaliidae
- Biphyllidae
- Birgeidae
- Birnaviridae
- Bithyniidae
- Bittacidae
- Bivesiculidae
- Bixaceae
- Blaberidae
- Blackfordiidae
- Blandfordiaceae
- Blaniulidae
- Blasiaceae
- Blastobasidae
- Blastocladiaceae
- Blastodiniaceae
- Blattabacteriaceae
- Blattidae
- Blechnaceae
- Blenniidae
- Blephariceridae
- Blepharidophyllaceae
- Blepharismidae
- Blepharocorythidae
- Blinksiaceae
- Blissidae
- Bochicidae
- Bodonaceae
- Bodotriidae
- Boeromedusidae
- Bogidiellidae
- Bogoriellaceae
- Bohartillidae
- Boidae
- Bolbitiaceae
- Bolbocephalodidae
- Bolboceratidae
- Bolbomyiidae
- Boldiaceae
- Boletaceae
- Boletinellaceae
- Bolidomonadaceae
- Boliniaceae
- Bolinopsidae
- Bolitaenidae
- Bolitophilidae
- Bolivinitidae
- Boloceroididae
- Bolyeridae
- Bombacaceae
- Bombinatoridae
- Bombycidae
- Bombycillidae
- Bombyliidae
- Bomolochidae
- Bondarzewiaceae
- Bonelliidae
- Bonnemaisoniaceae
- Bonneviellidae
- Boodleaceae
- Boopiidae
- Bopyridae
- Boraginaceae
- Borealophlyctidaceae
- Boreidae
- Boreohydridae
- Boridae
- Boriziaceae
- Bornaviridae
- Bornellidae
- Borodinellaceae
- Boryaceae
- Borziaceae
- Borzinemataceae
- Bosminidae
- Bostrichidae
- Bothidae
- Bothitrematidae
- Bothrideridae
- Bothriocephalidae
- Bothrioplanidae
- Botrucnidiferidae
- Botrydiaceae
- Botrydiopsidaceae
- Botryobasidiaceae
- Botryochloridaceae
- Botryococcaceae
- Botryosphaeriaceae
- Botulidae
- Botulisaccidae
- Bouchardiidae
- Bougainvilliidae
- Bougisidae
- Bourletiellidae
- Boveriidae
- Bovichtidae
- Bovidae
- Braarudosphaeraceae
- Brachaeluridae
- Brachionichthyidae
- Brachionidae
- Brachioteuthidae
- Brachodidae
- Brachybasidiaceae
- Brachycentridae
- Brachycephalidae
- Brachyceridae
- Brachychaeteumatidae
- Brachychthoniidae
- Brachycoeliidae
- Brachycytheridae
- Brachylaimidae
- Brachypauropodidae
- Brachypsectridae
- Brachypteraciidae
- Brachypteridae
- Brachysiraceae
- Brachystomatidae
- Brachystomellidae
- Brachytheciaceae
- Braconidae
- Bradybaenidae
- Bradypodidae
- Bradyrhizobiaceae
- Brahmaeidae
- Bramidae
- Branchinectidae
- Branchiobdellidae
- Branchiostomatidae
- Branchiostomidae
- Branchipodidae
- Branneriidae
- Brassicaceae
- Braulidae
- Brauninidae
- Brefeldiellaceae
- Bregmacerotidae
- Brentidae
- Bresiliidae
- Brevianthaceae
- Brevibacteriaceae
- Brevibuccidae
- Brevicipitidae
- Briareidae
- Brigantiaeaceae
- Brinkmanniidae
- Brisingidae
- Brissidae
- Bromeliaceae
- Bromoviridae
- Broomeiaceae
- Brucellaceae
- Bruchiaceae
- Brumptidae
- Brunelliaceae
- Bryaceae
- Bryobartramiaceae
- Bryometopidae
- Bryophryidae
- Bryophyllidae
- Bryopsidaceae
- Bryopsocidae
- Bryoxiphiaceae
- Bubaridae
- Buccinidae
- Bucconidae
- Bucculatricidae
- Bucephalidae
- Bucerotidae
- Bucorvidae
- Buddelundiellidae
- Buddlejaceae
- Buergeriellidae
- Buetschliellidae
- Buetschliidae
- Bufonidae
- Bulgariaceae
- Buliminidae
- Bulimulidae
- Bullidae
- Bullinidae
- Bunonematidae
- Bunyaviridae
- Buprestidae
- Buproridae
- Burhinidae
- Burkholderiaceae
- Burmanniaceae
- Burramyidae
- Bursaridiidae
- Bursariidae
- Burseraceae
- Bursidae
- Buskiidae
- Buthidae
- Butomaceae
- Buxaceae
- Buxbaumiaceae
- Buxtehudiidae
- Byrrhidae
- Bythitidae
- Bythocyprididae
- Bythocytheridae
- Bythograeidae
- Bythotiaridae
- Byturidae
- Cabiropidae
- Cabombaceae
- Cactaceae
- Caddidae
- Caecidae
- Caeciliidae
- Caeciliusidae
- Caeculidae
- Caenidae
- Caenolestidae
- Caenomorphidae
- Caesionidae
- Cafeteriaceae
- Cainiaceae
- Calabozoidae
- Calamoceratidae
- Calanidae
- Calanticidae
- Calappidae
- Calcarinidae
- Calceostomatidae
- Calcifibrospongiidae
- Calciodinellaceae
- Calciondinnellaceae
- Caldilineaceae
- Caldisphaeraceae
- Caleremaeidae
- Caliciaceae
- Caliciviridae
- Caligidae
- Caliphyllidae
- Caliscelidae
- Callaeatidae
- Callanthiidae
- Callianassidae
- Callianideidae
- Callichthyidae
- Callidulidae
- Calliodentaliidae
- Callionymidae
- Calliopiidae
- Callioplanidae
- Calliostomatidae
- Callipallenidae
- Calliphoridae
- Callipodidae
- Callirhipidae
- Callitrichaceae
- Callitrichidae
- Callorhinchidae
- Callyspongiidae
- Calmidae
- Calocarididae
- Calocidae
- Calohypsibiidae
- Calomniaceae
- Calophyidae
- Caloppiidae
- Calopterygidae
- Caloscyphaceae
- Calosiphonaceae
- Calosphaeriaceae
- Calostomataceae
- Calpionellidae
- Calpionellopsidae
- Calthropellidae
- Calvetiidae
- Calviriidae
- Calycanthaceae
- Calyceraceae
- Calycidiaceae
- Calycodidae
- Calyculariaceae
- Calymnidae
- Calymperaceae
- Calypogeiaceae
- Calyptocephalellidae
- Calyptotrichidae
- Calyptraeidae
- Calyptrosphaeraceae
- Camaenidae
- Camallanidae
- Cambalidae
- Cambalopsidae
- Cambaridae
- Cambarincolidae
- Camelidae
- Camerobiidae
- Camillidae
- Camisiidae
- Campanulaceae
- Campanulariidae
- Campanulinidae
- Campephagidae
- Campgdoridae
- Campodeidae
- Campodesmidae
- Camptandriidae
- Campulidae
- Campululidae
- Campylobacteraceae
- Campylomonadaceae
- Campylonotidae
- Campynemataceae
- Canacidae
- Cancellariidae
- Cancellothyrididae
- Cancerillidae
- Cancridae
- Cancrincolidae
- Candaciidae
- Candelabridae
- Candelariaceae
- Candonidae
- Canellaceae
- Canidae
- Cannabaceae
- Cannaceae
- Cannobotryidae
- Cantacaderidae
- Cantharellaceae
- Cantharidae
- Canthocamptidae
- Canthyloscelidae
- Canuellidae
- Capilloventridae
- Capitellidae
- Capniidae
- Capnodiaceae
- Caponiidae
- Caposiraceae
- Capparaceae
- Caprellidae
- Caprellinoididae
- Caprifoliaceae
- Caprimulgidae
- Caproidae
- Capromyidae
- Capsalidae
- Capsosiphonaceae
- Capsosiraceae
- Capulidae
- Carabidae
- Carabocepheidae
- Carabodidae
- Caracanthidae
- Carangidae
- Carapidae
- Carayonemidae
- Carbomycetaceae
- Carcharhinidae
- Carcharolaimidae
- Carcinomycetaceae
- Carcinonemertidae
- Carcinophoridae
- Cardiastomatellidae
- Cardiidae
- Cardinalidae
- Cardiniidae
- Cardiobacteriaceae
- Carditidae
- Carettochelyidae
- Cariamidae
- Caricaceae
- Caridinophilidae
- Carinariidae
- Carinomidae
- Caristiidae
- Carnidae
- Carnobacteriaceae
- Carphaniidae
- Carpiliidae
- Carpocaniidae
- Carpoglyphidae
- Carposinidae
- Carsidaridae
- Carterinidae
- Carthaeidae
- Carybdeidae
- Carychiidae
- Caryocaraceae
- Caryodidae
- Caryophanaceae
- Caryophyllaceae
- Caryophylliidae
- Caseyidae
- Caspiopetalidae
- Cassidae
- Cassidulidae
- Cassidulinidae
- Cassiopeidae
- Castniidae
- Castoridae
- Casuariidae
- Casuarinaceae
- Catabotrydaceae
- Catenariaceae
- Catenellopsidaceae
- Catenulaceae
- Catenulidae
- Catenulisporaceae
- Cateriidae
- Cathaemasiidae
- Catillariaceae
- Catophragmidae
- Catoscopiaceae
- Catostomidae
- Catostylidae
- Caucasinidae
- Caudinidae
- Caulacanthaceae
- Caulerpaceae
- Caulimoviridae
- Caulobacteraceae
- Caulochytriaceae
- Caulophrynidae
- Caviidae
- Cavinulaceae
- Cavisomidae
- Cavoliniidae
- Cavosteliaceae
- Caymanostellidae
- Cebidae
- Cecidomyiidae
- Cecidosidae
- Cecropiaceae
- Cecropidae
- Ceinidae
- Celastraceae
- Cellulomonadaceae
- Celotheliaceae
- Celyphidae
- Cemocotylidae
- Centracanthidae
- Centrarchidae
- Centriscidae
- Centritactaceae
- Centroderidae
- Centrogenyidae
- Centrolenidae
- Centrolepidaceae
- Centrolophidae
- Centropagidae
- Centrophoridae
- Centrophrynidae
- Centroplacaceae
- Centropomidae
- Centropyxidae
- Centrorhynchidae
- Cephaloascaceae
- Cephalobaenidae
- Cephalobidae
- Cephalodiscidae
- Cephalogonimidae
- Cephaloporidae
- Cephalotaxaceae
- Cephalothecaceae
- Cephalothricidae
- Cephaloziaceae
- Cephaloziellaceae
- Cepheidae
- Cepheidae
- Cephidae
- Cepolidae
- Cerambycidae
- Ceramiaceae
- Ceramonematidae
- Ceramoporidae
- Ceraphronidae
- Cerastuidae
- Ceratiaceae
- Ceratiidae
- Ceratiomyxaceae
- Ceratobasidiaceae
- Ceratobatrachidae
- Ceratobuliminidae
- Ceratocombidae
- Ceratocumatidae
- Ceratocystidaceae
- Ceratokalummidae
- Ceratomycetaceae
- Ceratomyxidae
- Ceratophryidae
- Ceratophyllaceae
- Ceratophyllidae
- Ceratopogonidae
- Ceratoppiidae
- Ceratostomataceae
- Ceratozetidae
- Cercidiphyllaceae
- Cercomonadidae
- Cercopagididae
- Cercopidae
- Cercopithecidae
- Cerebratulidae
- Cerelasmidae
- Cerianthidae
- Ceriidae
- Cerioporidae
- Cerithiidae
- Cerithiopsidae
- Cerocepheidae
- Cerococcidae
- Ceromidae
- Cerophytidae
- Certhiidae
- Cervidae
- Cerviniidae
- Cerylonidae
- Cestidae
- Cestoplanidae
- Cetomimidae
- Cetoniidae
- Cetopsidae
- Cetorhinidae
- Chacidae
- Chaconiaceae
- Chactidae
- Chadefaudiellaceae
- Chaenopsidae
- Chaeropodidae
- Chaetasteridae
- Chaeteessidae
- Chaetiliidae
- Chaetocerotaceae
- Chaetodermatidae
- Chaetodontidae
- Chaetomiaceae
- Chaetonotidae
- Chaetophoraceae
- Chaetopteridae
- Chaetosiphonaceae
- Chaetosphaerellaceae
- Chaetosphaeriaceae
- Chaetosphaeridiaceae
- Chaetospiridae
- Chaetostephanidae
- Chaetothyriaceae
- Chalcididae
- Chalinidae
- Chamaeleonidae
- Chamaemyiidae
- Chamaesiphonaceae
- Chamaesomatidae
- Chamidae
- Chamobatidae
- Champiaceae
- Champsodontidae
- Chanidae
- Channichthyidae
- Channidae
- Chaoboridae
- Characeae
- Characiaceae
- Characidae
- Characiochloridaceae
- Characiopsidaceae
- Characiopsidiaceae
- Characiosiphonaceae
- Charadriidae
- Charassobatidae
- Charilaidae
- Charinidae
- Charipidae
- Charitometridae
- Charontidae
- Charopidae
- Chasmocarcinidae
- Chathamiidae
- Chattonidiidae
- Chaudhuriidae
- Chaunacidae
- Cheilodactylidae
- Cheimarrichthyidae
- Cheiragonidae
- Cheiridiidae
- Cheirogaleidae
- Chelidae
- Cheliferidae
- Chelisochidae
- Chelodesmidae
- Chelojulidae
- Chelonariidae
- Chelonibiidae
- Cheloniidae
- Cheluridae
- Chelydridae
- Chenopodiaceae
- Chernetidae
- Cheyletidae
- Chiasmodontidae
- Childiidae
- Chilodonellidae
- Chilodontidae
- Chimaericolidae
- Chimaeridae
- Chimaeropsyllidae
- Chinchillidae
- Chionelasmatidae
- Chionididae
- Chionosphaeraceae
- Chiridotidae
- Chirocentridae
- Chirocephalidae
- Chirodropidae
- Chironemidae
- Chironomidae
- Chiropsalmidae
- Chirostylidae
- Chiroteuthidae
- Chiroteuthididae
- Chitinoidellidae
- Chitonidae
- Chlamydiaceae
- Chlamydodontidae
- Chlamydomonadaceae
- Chlamydoselachidae
- Chlidonophoridae
- Chlopsidae
- Chloramoebaceae
- Chlorangiaceae
- Chlorangiellaceae
- Chlorangiopsidaceae
- Chloranthaceae
- Chlorarachniaceae
- Chlorobiaceae
- Chlorococcaceae
- Chlorocyphidae
- Chlorocystidaceae
- Chlorodendraceae
- Chloroflexaceae
- Chloromyxidae
- Chloropediaceae
- Chloroperlidae
- Chlorophthalmidae
- Chloropidae
- Chlorosarcinaceae
- Chlorosphaeraceae
- Choanephoraceae
- Choanophryidae
- Choctellidae
- Chondracanthidae
- Chondrillidae
- Chondropsidae
- Chonecoleaceae
- Choniolaimidae
- Chordaceae
- Chordariaceae
- Chordariidae
- Chordariopsidaceae
- Chordeumatidae
- Chordodasyidae
- Chordodidae
- Choreocolacaceae
- Choreutidae
- Chorioactidaceae
- Choriplacidae
- Choristeidae
- Choristellidae
- Choristidae
- Choristocarpaceae
- Chorotypidae
- Chortoglyphidae
- Chromadoridae
- Chromatiaceae
- Chromodorididae
- Chromulinaceae
- Chroococcaceae
- Chroolepidaceae
- Chroomonadaceae
- Chrysamoebaceae
- Chrysididae
- Chrysiogenaceae
- Chrysobalanaceae
- Chrysocapsaceae
- Chrysochloridae
- Chrysococcaceae
- Chrysogorgiidae
- Chrysolepidomonadaceae
- Chrysomelidae
- Chrysomeridaceae
- Chrysopetalidae
- Chrysopidae
- Chrysopolomidae
- Chrysosaccaceae
- Chrysosphaeraceae
- Chrysothallaceae
- Chrysothricaceae
- Chrysoviridae
- Chtenopterygidae
- Chthamalidae
- Chthamalophilidae
- Chthoniidae
- Chummidae
- Chunellidae
- Chuneolidae
- Chuniellidae
- Chydoridae
- Chyromyidae
- Chytodesmidae
- Chytridiaceae
- Chytridiopsidae
- Chytriodiniaceae
- Chyzeriidae
- Cibicididae
- Cicadellidae
- Cicadidae
- Cicerinidae
- Cichlidae
- Ciconiidae
- Cidaridae
- Ciidae
- Ciliofaureidae
- Cimbicidae
- Cimicidae
- Cinclidae
- Cinclidotaceae
- Cinctiporidae
- Cinetochilidae
- Cingulopsidae
- Cintractiellaceae
- Cionellidae
- Cionidae
- Circoviridae
- Cirolanidae
- Cirratulidae
- Cirrhitidae
- Cirrholoveniidae
- Cirroteuthidae
- Cistaceae
- Cisticolidae
- Cithaeronidae
- Citharidae
- Citharinidae
- Cixiidae
- Cladochytriaceae
- Cladocorynidae
- Cladonematidae
- Cladoniaceae
- Cladopathidae
- Cladophoraceae
- Cladopyxidaceae
- Cladorhizidae
- Clambidae
- Clariaidae
- Clariidae
- Claroteidae
- Classiculaceae
- Clastodermataceae
- Clastopteridae
- Clathrellidae
- Clathrinidae
- Clathrosperchonidae
- Clathrostomatidae
- Clathrozoellidae
- Clathrozoidae
- Clausidiidae
- Clausiidae
- Clausocalanidae
- Clausognathiidae
- Clausophyidae
- Claustulaceae
- Clavariaceae
- Clavariadelphaceae
- Clavatoraceae
- Clavelinidae
- Clavicipitaceae
- Clavoporidae
- Clavulariidae
- Clavulinaceae
- Cleidogonidae
- Cleidothaeridae
- Cleridae
- Clethraceae
- Cletodidae
- Cleveaceae
- Climaciaceae
- Climacosphenaceae
- Climacostomidae
- Climacteridae
- Clinidae
- Clinostomatidae
- Clintamraceae
- Clionaidae
- Clionidae
- Cliopsidae
- Clistosaccidae
- Cloacinidae
- Closteriaceae
- Closteroviridae
- Clostridiaceae
- Clothodidae
- Clothodinae
- Clubionidae
- Clupeidae
- Clusiaceae
- Clusiidae
- Clypeasteridae
- Clypeosphaeriaceae
- Clytemnestridae
- Cnemophilidae
- Cnismatocentridae
- Cobanocytheridae
- Cobbonchidae
- Cobitidae
- Coccidae
- Coccinellidae
- Coccocarpiaceae
- Coccodiniaceae
- Coccodiscidae
- Coccoideaceae
- Coccolithaceae
- Coccomyxaceae
- Cocconeidaceae
- Coccotremataceae
- Cocculinellidae
- Cocculinidae
- Cochlicopidae
- Cochlonemataceae
- Codiaceae
- Codonellidae
- Codonellopsidae
- Codosingaceae
- Coelastraceae
- Coelogynoporidae
- Coelomomycetaceae
- Coelopidae
- Coeloplanidae
- Coelosphaeridae
- Coenagrionidae
- Coenobitidae
- Coenogoniaceae
- Coerebidae
- Cohnilembidae
- Colaciaceae
- Colaconemataceae
- Colchicaceae
- Coleochaetaceae
- Coleophoridae
- Coleosporiaceae
- Colepidae
- Coliidae
- Collemataceae
- Colletidae
- Colletteidae
- Collinsiellaceae
- Collohmanniidae
- Collophoridae
- Collothecidae
- Collozoidae
- Collyriclidae
- Colobometridae
- Coloburiscidae
- Colocongridae
- Colomastigidae
- Colossendeidae
- Colpodidae
- Colpodidiidae
- Colubridae
- Columbariidae
- Columbellidae
- Columbidae
- Colwelliaceae
- Colypuridae
- Comamonadaceae
- Comasteridae
- Combretaceae
- Comephoridae
- Comesomatidae
- Cometodendridae
- Commelinaceae
- Comodesmidae
- Comoviridae
- Completoriaceae
- Compsopogonaceae
- Conchaspididae
- Conchophthiridae
- Conchophyllidae
- Condylanthidae
- Condylocardiidae
- Condylostomatidae
- Congiopodidae
- Congridae
- Conidae
- Conidophryidae
- Coniochaetaceae
- Coniocybaceae
- Coniophoraceae
- Coniopterygidae
- Conleyidae
- Connaraceae
- Conocephalaceae
- Conochilidae
- Conocyemidae
- Conoesucidae
- Conopidae
- Conopophagidae
- Conotylidae
- Conualeviidae
- Convolutidae
- Convolvulaceae
- Cookellaceae
- Cooloolidae
- Copromorphidae
- Copromyxaceae
- Coptopsyllidae
- Coraciidae
- Corallanidae
- Coralliidae
- Corallimorphidae
- Corallinaceae
- Coralliophilidae
- Corallistidae
- Corambidae
- Corbiculidae
- Corbulidae
- Corcoracidae
- Cordulegastridae
- Corduliidae
- Cordycipitaceae
- Cordylidae
- Cordylophoridae
- Coreidae
- Corellidae
- Corethraceae
- Corethrellidae
- Corillidae
- Corinnidae
- Coriobacteriaceae
- Corioxenidae
- Corixidae
- Cornaceae
- Cornirostridae
- Cornuaceae
- Cornulariidae
- Coronarctidae
- Coronaviridae
- Coronididae
- Coronulidae
- Corophiidae
- Corsiaceae
- Corsiniaceae
- Corticiaceae
- Corticoviridae
- Cortinariaceae
- Corvidae
- Corycaeidae
- Corydalidae
- Corydiidae
- Corylophidae
- Corymorphidae
- Corynebacteriaceae
- Coryneliaceae
- Corynesporascaceae
- Corynidae
- Corynocarpaceae
- Corynocystaceae
- Corynomorphaceae
- Corynophryidae
- Coryphaenidae
- Corystidae
- Corystusidae
- Corytophanidae
- Coscinodiscaceae
- Cosmioneidaceae
- Cosmocercidae
- Cosmochthoniidae
- Cosmopterigidae
- Cossidae
- Cossuridae
- Costaceae
- Costasiellidae
- Costellariidae
- Cotingidae
- Cottidae
- Cottocomephoridae
- Cotylegaleatidae
- Coxiellaceae
- Crabronidae
- Cracidae
- Cracticidae
- Crambeidae
- Crambidae
- Cranchiidae
- Crangonidae
- Crangonyctidae
- Craniidae
- Cranoglanididae
- Craseonycteridae
- Craspedosomatidae
- Crassatellidae
- Crassicollariidae
- Crassicollidae
- Crassulaceae
- Cratenemertidae
- Craterostigmidae
- Craticulariidae
- Craugastoridae
- Creediidae
- Crellidae
- Crenosomatidae
- Crenotrichaceae
- Crenuchidae
- Cressidae
- Cribrariaceae
- Cribrospongiidae
- Criconematidae
- Crinoniscidae
- Crinopterygidae
- Crisiidae
- Crisinidae
- Cristatellidae
- Crisuliporidae
- Crocodylidae
- Crocyniaceae
- Cronartiaceae
- Crossocarpaceae
- Crossosomataceae
- Crossotonotidae
- Crotaphytidae
- Crotoniidae
- Crowsoniellidae
- Cruoriaceae
- Cryomorphaceae
- Cryphaeaceae
- Cryphonectriaceae
- Cryptacanthodidae
- Crypthecodiniaceae
- Crypticolaceae
- Cryptobasidiaceae
- Cryptobiaceae
- Cryptobranchidae
- Cryptocelidae
- Cryptocercidae
- Cryptochetidae
- Cryptochilidae
- Cryptochiridae
- Cryptocodidae
- Cryptodesmidae
- Cryptognathidae
- Cryptogonimidae
- Cryptolaryngidae
- Cryptolobatidae
- Cryptomonadaceae
- Cryptomycocolacaceae
- Cryptonchidae
- Cryptoniscidae
- Cryptophagidae
- Cryptopharyngidae
- Cryptophialidae
- Cryptopidae
- Cryptoplacidae
- Cryptoporidae
- Cryptosporidiidae
- Cryptothiridae
- Csiromedusidae
- Ctedectomatidae
- Ctenacaridae
- Ctenellidae
- Ctenidae
- Ctenizidae
- Ctenobelbidae
- Ctenochelidae
- Ctenocidaridae
- Ctenodactylidae
- Ctenodiscidae
- Ctenodrilidae
- Ctenoluciidae
- Ctenoplanidae
- Ctenosculidae
- Ctenostylidae
- Ctenothyadidae
- Cubiculosporaceae
- Cucujidae
- Cuculidae
- Cucullaeidae
- Cucullanidae
- Cucumariidae
- Cucurbitaceae
- Cucurbitariaceae
- Cudoniaceae
- Culicidae
- Cumanotidae
- Cunaxidae
- Cuneoppiidae
- Cuniculitremaceae
- Cuninidae
- Cunninghamellaceae
- Cunoniaceae
- Cupedidae
- Cupressaceae
- Curculionidae
- Curimatidae
- Curtonotidae
- Cuscutaceae
- Cushmanideidae
- Cuspidariidae
- Cuthonidae
- Cutleriaceae
- Cyamidae
- Cyamiidae
- Cyaneidae
- Cyanidiaceae
- Cyatheaceae
- Cyathocotylidae
- Cyathodiaceae
- Cyatholaimidae
- Cyatholipidae
- Cyathomonadaceae
- Cybaeidae
- Cycadaceae
- Cyclanthaceae
- Cyclestheriidae
- Cyclidiidae
- Cyclocoelidae
- Cycloctenidae
- Cyclodorippidae
- Cyclogrammidae
- Cyclopedidae
- Cyclophoraceae
- Cyclopidae
- Cyclopinidae
- Cyclopteridae
- Cycloramphidae
- Cyclostrematidae
- Cycloteuthidae
- Cyclotornidae
- Cydnidae
- Cyematidae
- Cyfstofilobasidiaceae
- Cylichnidae
- Cylicobdellidae
- Cylindrachetidae
- Cylindrobullidae
- Cylindrocapsaceae
- Cylindrocorporidae
- Cylindroleberididae
- Cylindrophiidae
- Cylindropsyllidae
- Cylindrorchiidae
- Cylindrostomidae
- Cylindrotomidae
- Cylisticidae
- Cyllopodidae
- Cymatosiraceae
- Cymbaeremaeidae
- Cymbaloporidae
- Cymbellaceae
- Cymbuliidae
- Cymidae
- Cymodoceaceae
- Cymonomidae
- Cymothoidae
- Cynipidae
- Cynocephalidae
- Cynodontidae
- Cynoglossidae
- Cyperaceae
- Cyphellaceae
- Cyphocarididae
- Cyphoderidae
- Cyphoderiidae
- Cypraeidae
- Cyprididae
- Cypridinidae
- Cypridopsidae
- Cyprinidae
- Cyprinodontidae
- Cyproideidae
- Cyproniscidae
- Cypselosomatidae
- Cyrenoididae
- Cyrillaceae
- Cyrtaucheniidae
- Cyrtodesmidae
- Cyrtolophosidae
- Cyrtolophosididae
- Cyrtolophosidiidae
- Cyrtophoraceae
- Cyrtopodaceae
- Cyrtostrombidiidae
- Cystidicolidae
- Cystiplanidae
- Cystiscidae
- Cystisomatidae
- Cystobacteraceae
- Cystobasidiaceae
- Cystocloniaceae
- Cystodictyonidae
- Cystoopsidae
- Cystopeltidae
- Cystoseiraceae
- Cystostereaceae
- Cystoviridae
- Cytaeididae
- Cytheralisonidae
- Cytherellidae
- Cytherettidae
- Cytheridae
- Cytherideidae
- Cytheromatidae
- Cytheruridae
- Cytididae
- Cytocystidae
- Cyttariaceae
- Cyttarocylidae
- Cyttidae
- Cyzicidae
- Dacampiaceae
- Dacrymycetaceae
- Dacryopilumnidae
- Dactylocalycidae
- Dactylocotylidae
- Dactylogyridae
- Dactylopiidae
- Dactylopodolidae
- Dactylopteridae
- Dactyloscopidae
- Dactylosporaceae
- Dactylostomatidae
- Daesiidae
- Dairellidae
- Dairidae
- Dairoididae
- Dajidae
- Dakuidae
- Dalatiidae
- Dalceridae
- Dallinidae
- Dalodesmidae
- Daltoniaceae
- Dalyellidae
- Dalyelliidae
- Damaeidae
- Damaeolidae
- Damasippoididae
- Dampfiellidae
- Daphniidae
- Darcythompsoniidae
- Darwinellidae
- Darwinulidae
- Dascillidae
- Dasyaceae
- Dasyatidae
- Dasycladaceae
- Dasydemellidae
- Dasydytidae
- Dasypodidae
- Dasypogonaceae
- Dasyuridae
- Datiscaceae
- Datnioididae
- Daubentoniidae
- Davaineidae
- Davidiellaceae
- Debaryomycetaceae
- Deferribacteraceae
- Deflandraceae
- Deimatidae
- Deinococcaceae
- Deinopidae
- Delatorreidae
- Delavayellaceae
- Delesseriaceae
- Delitschiaceae
- Delphacidae
- Delphinidae
- Deltopyluidae
- Demodecidae
- Dendoricellidae
- Dendrasteridae
- Dendrobatidae
- Dendrobrachiidae
- Dendrocerotaceae
- Dendrocoelidae
- Dendrocometidae
- Dendrodorididae
- Dendroeremaeidae
- Dendrogastridae
- Dendronotidae
- Dendronucleatidae
- Dendrophylliidae
- Dendrosomatidae
- Dendrosomididae
- Dendrotionidae
- Dennstaedtiaceae
- Densiporidae
- Dentacinetidae
- Dentaliidae
- Dentatherinidae
- Denticipitidae
- Deoterthridae
- Depastridae
- Derbesiaceae
- Derbidae
- Derepyxidaceae
- Derichthyidae
- Dericorythidae
- Dermabacteraceae
- Dermacoccaceae
- Dermanyssidae
- Dermateaceae
- Dermatemydidae
- Dermatophilaceae
- Dermestidae
- Dermocarpaceae
- Dermocarpellaceae
- Dermochelyidae
- Derocheilocarididae
- Derodontidae
- Deropristiidae
- Desidae
- Desmacellidae
- Desmacididae
- Desmanthidae
- Desmarestiaceae
- Desmidiaceae
- Desmodoridae
- Desmomastigaceae
- Desmopteridae
- Desmoscolecidae
- Desmosomatidae
- Desulfarculaceae
- Desulfobacteraceae
- Desulfobulbaceae
- Desulfohalobiaceae
- Desulfomicrobiaceae
- Desulfonatronaceae
- Desulfovibrionaceae
- Desulfurellaceae
- Desulfurococcaceae
- Desulfuromonadaceae
- Detonidae
- Deuterophlebiidae
- Dexaminidae
- Diademaceae
- Diadematidae
- Diadesmidaceae
- Diadocidiidae
- Diadumenidae
- Diaixidae
- Diamphipnoidae
- Dianemataceae
- Diapensiaceae
- Diaperoeciidae
- Diaphanidae
- Diapheromeridae
- Diapleuridae
- Diaporthaceae
- Diapriidae
- Diaptomidae
- Diascorhynchidae
- Diaspididae
- Diastatidae
- Diastomidae
- Diastoporidae
- Diastylidae
- Diatomaceae
- Diatrypaceae
- Diazonidae
- Dibamidae
- Diceratiidae
- Dichaeturidae
- Dichelesthiidae
- Dichistiidae
- Dichtomosiphonaceae
- Dicistroviridae
- Dicksoniaceae
- Diclidophoridae
- Diclybothriidae
- Dicnemonaceae
- Dicranaceae
- Dicranemataceae
- Dicranophoridae
- Dicrocoeliidae
- Dicroglossidae
- Dicruridae
- Dicteriadidae
- Dictydiaethaliaceae
- Dictynidae
- Dictyocaulidae
- Dictyochaceae
- Dictyocystidae
- Dictyodendrillidae
- Dictyoglomaceae
- Dictyoneidaceae
- Dictyonellidae
- Dictyopharidae
- Dictyosphaeriaceae
- Dictyosteliaceae
- Dictyotaceae
- Dictysarcidae
- Dicyemidae
- Dicyrtomidae
- Didelphidae
- Didemnidae
- Didiniidae
- Didymiaceae
- Didymorchidae
- Didymosphaeriaceae
- Didymozoidae
- Dietziaceae
- Difflugiidae
- Digamasellidae
- Dignathodontidae
- Diguetidae
- Dilaridae
- Dilepididae
- Dileptidae
- Dilleniaceae
- Dimacrocaryonidae
- Dimargaritaceae
- Dimeatidae
- Dimyidae
- Dinamoebaceae
- Dinobryaceae
- Dinolestidae
- Dinomyidae
- Dinonemertidae
- Dinopercidae
- Dinophilidae
- Dinophysiaceae
- Dinosphaeraceae
- Dinotrichaceae
- Diodontidae
- Dioecotaeniidae
- Diogenidae
- Diomedeidae
- Dionchidae
- Diopisthoporidae
- Diopsidae
- Diosaccidae
- Dioscoreaceae
- Diphterophoridae
- Diphtherophoridae
- Diphyidae
- Diphyllobothriidae
- Diplectanidae
- Dipleurosomatidae
- Diplocystidiaceae
- Diplogasteridae
- Diplogasteroididae
- Diplomaragnidae
- Diplomystidae
- Diploneidaceae
- Diplopauropodidae
- Diploposthidae
- Diplosentidae
- Diplostomatidae
- Dipluridae
- Dipodascaceae
- Dipodidae
- Diporothecaceae
- Diprionidae
- Dipsacaceae
- Dipseudopsidae
- Dipsocoridae
- Dipterocarpaceae
- Diptilomiopidae
- Diretmidae
- Dirivultidae
- Dironidae
- Disceliaceae
- Disciadidae
- Discidae
- Discinaceae
- Discinidae
- Discocotylidae
- Discodorididae
- Discolomatidae
- Discophryidae
- Discorbidae
- Discosomatidae
- Discotrichidae
- Dissonidae
- Distephanaceae
- Distichodontidae
- Ditomyiidae
- Ditrichaceae
- Diurodrilidae
- Diversisporaceae
- Dixidae
- Doassansiaceae
- Doassansiopsidaceae
- Doderiidae
- Dogielinotidae
- Doidae
- Dolichodoridae
- Dolichopodidae
- Doliolidae
- Doliopsidae
- Doliopsoididae
- Domeciidae
- Donacidae
- Dondersiidae
- Doradidae
- Doratodesmidae
- Dorididae
- Dorippidae
- Dorsoporidae
- Dorvilleidae
- Doryanthaceae
- Dorydrilidae
- Dorylaimidae
- Dorypetalidae
- Doryphallophoridae
- Dothideaceae
- Dothidotthiaceae
- Dothioraceae
- Dotillidae
- Dotoidae
- Douglasiidae
- Dracoderidae
- Draconematidae
- Draconettidae
- Dreissenidae
- Drepaneidae
- Drepanidae
- Drepanobandidae
- Drepanogigantidae
- Drepanophorellidae
- Drepanophoridae
- Drilliidae
- Drilonematidae
- Dromaiidae
- Dromiidae
- Droseraceae
- Drosophilidae
- Dryinidae
- Drymobatidae
- Drymusidae
- Dryodoridae
- Dryomyzidae
- Dryophthoridae
- Dryopidae
- Dryopteridaceae
- Dubioniscidae
- Ducellieriaceae
- Dudgeoneidae
- Dugesiidae
- Dugongidae
- Dulidae
- Dumontiaceae
- Dumortieraceae
- Dunaliellaceae
- Duplorbidae
- Durvillaeaceae
- Dynastidae
- Dynomenidae
- Dyscoliidae
- Dysderidae
- Dysideidae
- Dysteriidae
- Dytiscidae
- Eatoniellidae
- Ebalidae
- Eballistraceae
- Ebenaceae
- Ebriaceae
- Ebriopsidaceae
- Eccoptarthridae
- Eccrinaceae
- Ecdeiocoleaceae
- Echeneidae
- Echimyidae
- Echimyopodidae
- Echinarachniidae
- Echinasteridae
- Echinidae
- Echiniscidae
- Echiniscoididae
- Echinobothriidae
- Echinocyamidae
- Echinoderidae
- Echinodiaceae
- Echinodontiaceae
- Echinolampadidae
- Echinometridae
- Echinoneidae
- Echinophthiriidae
- Echinoporidae
- Echinoptilidae
- Echinorhinidae
- Echinorhynchidae
- Echinosteliaceae
- Echinosteliopsidaceae
- Echinostomatidae
- Echinothambematidae
- Echinothuriidae
- Echiuridae
- Ecnomidae
- Ectinosomatidae
- Ectobiidae
- Ectocarpaceae
- Ectolechiaceae
- Ectopsocidae
- Ectothiorhodospiraceae
- Ectrogellaceae
- Edwardsiidae
- Eirenidae
- Elachisinidae
- Elachistidae
- Elaeagnaceae
- Elaeocarpaceae
- Elaeomyxaceae
- Elaphomycetaceae
- Elaphonematidae
- Elapidae
- Elassomatidae
- Elateridae
- Elatinaceae
- Eleginopsidae
- Elenchidae
- Eleotridae
- Elephantidae
- Eleutherodactylidae
- Elipsocidae
- Elixiaceae
- Elliptochthoniidae
- Ellisellidae
- Ellobiidae
- Ellobiophryidae
- Elmidae
- Elopidae
- Elphidiidae
- Elpidiidae
- Elsinoaceae
- Elysiidae
- Emballonuridae
- Emberizidae
- Embiidae
- Embiotocidae
- Embolemidae
- Embonychidae
- Emmelichthyidae
- Empetraceae
- Empididae
- Emplectonematidae
- Emprosthoparnygidae
- Empusidae
- Emydidae
- Encalyptaceae
- Enchelyidae
- Enchelyomorphidae
- Enchytraeidae
- Encyrtidae
- Endeididae
- Endemosarcaceae
- Enderleinellidae
- Endevouridae
- Endictyaceae
- Endochytriaceae
- Endocladiaceae
- Endogonaceae
- Endomycetaceae
- Endomychidae
- Endomyzostomatidae
- Endornaviridae
- Endosphaeraceae
- Endosphaeriidae
- Endromidae
- Englerulaceae
- Engraulidae
- Enicocephalidae
- Enidae
- Eniochthoniidae
- Enoplidae
- Enoplometopidae
- Enoplosidae
- Enoploteuthidae
- Entalinidae
- Entalophoridae
- Entamoebidae
- Enterobacteriaceae
- Enterococcaceae
- Enterocytozoonidae
- Entocytheridae
- Entodontaceae
- Entolomataceae
- Entomobielziidae
- Entomobryidae
- Entomolepidae
- Entomolepididae
- Entomoneidaceae
- Entomophthoraceae
- Entomoplasmataceae
- Entoniscidae
- Entophylaceae
- Entophysalidaceae
- Entorhipidiidae
- Entorrhizaceae
- Entylomataceae
- Eocronartiaceae
- Eohypsibiidae
- Eoichneumonidae
- Eolepadidae
- Eomeropidae
- Eophliantidae
- Eosentomidae
- Eoterfeziaceae
- Eouvigerinidae
- Epacridaceae
- Epacteriscidae
- Epactozetidae
- Epalxellidae
- Epermeniidae
- Ephedraceae
- Ephemeraceae
- Ephemerellidae
- Ephemeridae
- Ephippidae
- Ephydridae
- Epialtidae
- Epiclintidae
- Epicopeiidae
- Epigloeaceae
- Epigonidae
- Epilohmanniidae
- Epimerellidae
- Epimeriidae
- Epimetopidae
- Epinannolenidae
- Epiophlebiidae
- Epiphanidae
- Epipsocidae
- Epipygidae
- Epipyropidae
- Episactidae
- Epistomariidae
- Epistominidae
- Epistylididae
- Epithemiaceae
- Epitoniidae
- Epizoanthidae
- Eponididae
- Epsilonematidae
- Equidae
- Equisetaceae
- Erebonasteridae
- Eremaeidae
- Eremaeozetidae
- Eremascaceae
- Eremellidae
- Eremiaphilidae
- Eremithallaceae
- Eremobatidae
- Eremobelbidae
- Eremolepidaceae
- Eremomycetaceae
- Eremotheciaceae
- Eremulidae
- Erennidae
- Eresidae
- Erethistidae
- Erethizontidae
- Ereuniidae
- Ereynetidae
- Ergasilidae
- Ericaceae
- Eridotrypellidae
- Erinaceidae
- Eriocaulaceae
- Eriococcidae
- Eriocottidae
- Eriocraniidae
- Eriophyidae
- Eriphantidae
- Eriphiidae
- Erirhinidae
- Erotylidae
- Erpobdellidae
- Erpodiaceae
- Erysipelotrichaceae
- Erysiphaceae
- Erythraeidae
- Erythrinidae
- Erythrotrichiaceae
- Erythroxylaceae
- Eschmeyeridae
- Eschrichtiidae
- Esocidae
- Esperiopsidae
- Estrildidae
- Ethmiidae
- Ethmodiscaceae
- Ethusidae
- Etmopteridae
- Euantennariaceae
- Eubacteriaceae
- Eubelidae
- Eubranchidae
- Eucalanidae
- Euceratomycetaceae
- Euchaetidae
- Eucharitidae
- Euchiridae
- Euchlanidae
- Euchloridae
- Eucinetidae
- Euclichthyidae
- Eucnemidae
- Eucodoniidae
- Eucopiidae
- Eucotylidae
- Eucratonychidae
- Eucryphiaceae
- Eucytheridae
- Eudactalinidae
- Eudactylinidae
- Eudendriidae
- Eudigonidae
- Euglenaceae
- Euglyphidae
- Eugonatonotidae
- Euherdmanniidae
- Eukoeneniidae
- Eukrohniidae
- Eulepethidae
- Eulichadidae
- Eulimidae
- Eulohmanniidae
- Eulophidae
- Eumastacidae
- Eumenidae
- Eunicidae
- Eunotiaceae
- Eupatagidae
- Eupelmidae
- Eupetidae
- Euphaeidae
- Euphausiidae
- Euphorbiaceae
- Euphrosinidae
- Euphthiracaridae
- Euphyllidae
- Euplectellidae
- Eupleridae
- Euplokamidae
- Euplotidae
- Eupodidae
- Eupodiscaceae
- Eupterotidae
- Eupyrgidae
- Euretidae
- Eurhamphaeidae
- Eurhynchidae
- Euryalidae
- Eurybrachidae
- Eurychasmataceae
- Eurylaimidae
- Euryleptidae
- Eurymerodesmidae
- Eurypatagidae
- Eurypauropodidae
- Eurypharyngidae
- Euryphoridae
- Euryplacidae
- Eurypygidae
- Eurysquillidae
- Eurystominidae
- Eurytomidae
- Euryuridae
- Euschmidtiidae
- Eusiridae
- Eustheniidae
- Eustichiaceae
- Eustigmataceae
- Eutegaeidae
- Euterpinidae
- Eutetrarhynchidae
- Euthyplociidae
- Eutreptiaceae
- Evaniidae
- Evermannellidae
- Eviphididae
- Evocoidae
- Exobasidiaceae
- Exocoelactiidae
- Exocoetidae
- Exocolpodidae
- Exoedicerotidae
- Exormothecaceae
- Expanathuridae
- Eylaidae
- Fabaceae
- Fabroniaceae
- Facelinidae
- Fagaceae
- Falcihastidae
- Falconidae
- Falculiferidae
- Falsicingulidae
- Fanniidae
- Farreidae
- Farrellidae
- Fasciculonemertidae
- Fasciolariidae
- Fasciolidae
- Faucheaceae
- Faujasiidae
- Fauriellidae
- Fauveliopsidae
- Faviidae
- Feaellidae
- Fecampiidae
- Felidae
- Fellodistomatidae
- Feltriidae
- Fenestellaceae
- Fenestellidae
- Fergusobiidae
- Fergusoninidae
- Ferreiraellidae
- Ferrimonadaceae
- Ferroplasmaceae
- Ferrussaciidae
- Fessisentidae
- Fibrobacteraceae
- Fibulariidae
- Ficidae
- Fieldingiidae
- Figitidae
- Filaroididae
- Filistatidae
- Filobasidiaceae
- Filoviridae
- Fimbriidae
- Fionidae
- Fischerellaceae
- Fischerinidae
- Fissidentaceae
- Fissurellidae
- Fistulariidae
- Fistulinaceae
- Fistuliporidae
- Flabellidae
- Flabelligeridae
- Flabellinidae
- Flabellulidae
- Flacourtiaceae
- Flagellariaceae
- Flammeovirgaceae
- Flatidae
- Flaviviridae
- Flavobacteriaceae
- Flexibacteraceae
- Flexiviridae
- Floridobolidae
- Floromycetaceae
- Flosculariidae
- Flustrellidridae
- Foettingeriidae
- Folliculinidae
- Fomitopsidaceae
- Fonticulaceae
- Fontinalaceae
- Forficulidae
- Formicariidae
- Formicidae
- Forskaliidae
- Fortuyniidae
- Fosshageniidae
- Fossombroniaceae
- Fouquieriaceae
- Fragilariaceae
- Francisellaceae
- Frankeniaceae
- Frankiaceae
- Fratiidae
- Fredericellidae
- Fregatidae
- Frenulinidae
- Freyellidae
- Frieleiidae
- Fringillidae
- Fritillariidae
- Frondiporidae
- Frontonidae
- Frontoniidae
- Frullaniaceae
- Fucaceae
- Fuhrmannodesmidae
- Fujientomidae
- Fulgoridae
- Fumariaceae
- Funariaceae
- Fundulidae
- Fungiacyathidae
- Fungiidae
- Funiculinidae
- Furcellariaceae
- Furgasoniidae
- Furipteridae
- Furnariidae
- Fuscheriidae
- Fuscideaceae
- Fuselloviridae
- Fusobacteriaceae
- Fustiariidae
- Gadidae
- Gadilidae
- Gadilinidae
- Gagrellidae
- Gainiaceae
- Galacticidae
- Galagonidae
- Galatheanthemidae
- Galatheidae
- Galaxauraceae
- Galaxiidae
- Galbulidae
- Galenidae
- Galeodidae
- Galeommatidae
- Gallaceaceae
- Gallieniellidae
- Galliobatidae
- Gallionellaceae
- Galumnellidae
- Galumnidae
- Gammaracanthidae
- Gammarellidae
- Gammaridae
- Gammaroporeiidae
- Ganeriidae
- Ganeshidae
- Ganodermataceae
- Gardineriidae
- Garryaceae
- Garypidae
- Garypinidae
- Gasterellaceae
- Gasteropelecidae
- Gasterosteidae
- Gasteruptiidae
- Gastrochaenidae
- Gastrocirrhidae
- Gastrocotylidae
- Gastrodelphyidae
- Gastronautidae
- Gastropodidae
- Gastropteridae
- Gastrosporiaceae
- Gaviidae
- Gayraliaceae
- Geastraceae
- Gecarcinidae
- Gecarcinucidae
- Gehypochthoniidae
- Gekkonidae
- Gekkonotrematidae
- Gelastocoridae
- Gelechiidae
- Geleiidae
- Gelidiaceae
- Gelidiellaceae
- Geminaginaceae
- Geminigeraceae
- Geminiviridae
- Gemmatimonadaceae
- Gempylidae
- Gengidae
- Gentianaceae
- Geobacteraceae
- Geocalycaceae
- Geocoridae
- Geodermatophilaceae
- Geodiidae
- Geoemydidae
- Geogarypidae
- Geoglossaceae
- Geometridae
- Geomyidae
- Geophilidae
- Geoplanidae
- Georgefischeriaceae
- Georyssidae
- Geosiphonaceae
- Geotrupidae
- Gephyrocapsaceae
- Gephyrothuriidae
- Geraniaceae
- Gerreidae
- Gerrhosauridae
- Gerridae
- Geryonidae
- Geryoniidae
- Gesneriaceae
- Gibberichthyidae
- Giffeniaceae
- Gigantactinidae
- Gigantapseudidae
- Giganthorhynchidae
- Giganturidae
- Gigartinaceae
- Gigaspermaceae
- Gigaspermaceae
- Gigasporaceae
- Ginglymostomatidae
- Ginkgoaceae
- Giraffidae
- Gitolampadids
- Gjaerumiaceae
- Glabratellidae
- Glacidorbidae
- Glandulinidae
- Glaphyridae
- Glareolidae
- Glaresidae
- Glaucidae
- Glaucocystaceae
- Glaucomidae
- Glaucosomatidae
- Glaziellaceae
- Gleicheniaceae
- Glenodiniopsidaceae
- Globigerinidae
- Globomycetaceae
- Globorotaliidae
- Globuloviridae
- Gloeobacteraceae
- Gloeobotrydaceae
- Gloeocystaceae
- Gloeodiniaceae
- Gloeoheppiaceae
- Gloeophyllaceae
- Gloeopodiaceae
- Gloiosiphoniaceae
- Glomeraceae
- Glomerellaceae
- Glomeridae
- Glomeridellidae
- Glomeridesmidae
- Glomosporiaceae
- Glossidae
- Glossinidae
- Glossiphoniidae
- Glossoscolecidae
- Glossosomatidae
- Glugeidae
- Glyceridae
- Glycomycetaceae
- Glycymerididae
- Glycyphagidae
- Glypheidae
- Glyphipterigidae
- Glyphiulidae
- Glyphocrangonidae
- Glyptocidaridae
- Glyptograpsidae
- Gnaphosidae
- Gnathanacanthidae
- Gnathiidae
- Gnathophyllidae
- Gnathorhynchidae
- Gnathostenetroidae
- Gnathostomariidae
- Gnathostomatidae
- Gnathostomulidae
- Gnetaceae
- Gnomoniaceae
- Gobiesocidae
- Gobiidae
- Gobryidae
- Godzilliidae
- Goebeliellaceae
- Goeridae
- Golfingiidae
- Golovatchiidae
- Gomontiaceae
- Gomontiellaceae
- Gomophonemataceae
- Gomortegaceae
- Gomphaceae
- Gomphidae
- Gomphidiaceae
- Gomphillaceae
- Gomphodesmidae
- Gonactiniidae
- Gonapodyaceae
- Gonatidae
- Goneplacidae
- Gongylonematidae
- Goniaceae
- Goniadidae
- Goniasteridae
- Gonibregmatidae
- Gonieolididae
- Goniocladiidae
- Goniodomataceae
- Goniodorididae
- Goniomonadaceae
- Goniopectinidae
- Goniotrichaceae
- Gonodactylidae
- Gonorynchidae
- Gonostomatidae
- Gonyaulacaceae
- Goodeidae
- Goodeniaceae
- Gordiidae
- Gordoniaceae
- Gorgocephalidae
- Gorgoderidae
- Gorgoniidae
- Gorgonocephalidae
- Gorgonomycetaceae
- Gorgonorhynchidae
- Gossleriellaceae
- Gracilariaceae
- Gracillariidae
- Gradungulidae
- Graffillidae
- Grammatidae
- Grammicolepididae
- Grammitidaceae
- Grammotheleaceae
- Grandoriidae
- Grantiidae
- Granuloppiidae
- Graphidaceae
- Graphiolaceae
- Graphostromataceae
- Grapsidae
- Grimmiaceae
- Grimpoteuthididae
- Gripopterygidae
- Grolleaceae
- Gromiidae
- Grossglockneriidae
- Grossulariaceae
- Gruidae
- Gryllacrididae
- Gryllidae
- Grylloblattidae
- Gryllotalpidae
- Gryphaeidae
- Guitarridae
- Gullmarellidae
- Gunneraceae
- Gustaviidae
- Guttaviridae
- Guttulinaceae
- Guyniidae
- Gyalectaceae
- Gylippidae
- Gymnarchidae
- Gymnoascaceae
- Gymnobisiidae
- Gymnodamaeidae
- Gymnodiniaceae
- Gymnodorididae
- Gymnomeniidae
- Gymnomitriaceae
- Gymnophallidae
- Gymnophthalmidae
- Gymnorhynchidae
- Gymnotidae
- Gymnuridae
- Gynodiastylidae
- Gypsoplacaceae
- Gyrinidae
- Gyrinocheilidae
- Gyrocotylidae
- Gyrodactylidae
- Gyropidae
- Gyroporaceae
- Gyrothyraceae
- Haaseidae
- Haasiidae
- Habronematidae
- Habrotrochidae
- Hadoprionidae
- Hadromastacidae
- Hadziidae
- Haeckeliidae
- Haemadipsidae
- Haematococcaceae
- Haematoloechidae
- Haematommataceae
- Haematomyzidae
- Haematopinidae
- Haemeschariaceae
- Haemodoraceae
- Haemopidae
- Haemulidae
- Hahellaceae
- Hahniidae
- Halacaridae
- Halanaerobiaceae
- Halcampidae
- Halcampoididae
- Halcuriidae
- Halechiniscidae
- Haleciidae
- Halgerdidae
- Haliactiidae
- Haliangiaceae
- Halichondriidae
- Halicreatidae
- Halictidae
- Halictophagidae
- Halimedaceae
- Halimedusidae
- Halimococcidae
- Haliotididae
- Halipegidae
- Haliplanellidae
- Haliplectidae
- Haliplidae
- Halipteridae
- Halisarcidae
- Hallangiidae
- Halobacteriaceae
- Halobacteroidaceae
- Haloceratidae
- Haloclavidae
- Halocyprididae
- Halomonadaceae
- Halopappaceae
- Halophilosciidae
- Halophytaceae
- Halopterididae
- Haloragaceae
- Halosauridae
- Halosbaenidae
- Halosiphonaceae
- Halosphaeraceae
- Halosphaeriaceae
- Halothiobacillaceae
- Halteriidae
- Halymeniaceae
- Hamacanthidae
- Hamamelidaceae
- Haminoeidae
- Hamophthiriidae
- Hancockiidae
- Hanguanaceae
- Hanleyidae
- Hansenauropodidae
- Hapalogenyidae
- Haplobainosomatidae
- Haplochthoniidae
- Haplodesmidae
- Haplognathiidae
- Haplomitriaceae
- Haplomunnidae
- Haploniscidae
- Haploporidae
- Haploposthiidae
- Haplosplanchnidae
- Haplosporidiidae
- Haplotaxidae
- Haplotrematidae
- Haplozetidae
- Haplozoaceae
- Haptoglossaceae
- Haptophryidae
- Harmeriellidae
- Harmotrematidae
- Harpacticidae
- Harpagiferidae
- Harpagophoridae
- Harpellaceae
- Harpidae
- Harpochytriaceae
- Harrimaniidae
- Hartmaniellidae
- Hartmannellidae
- Hartmannulidae
- Hasstilesiidae
- Hastatellidae
- Hastingsiidae
- Hatschekiidae
- Hausmanniellidae
- Haustoriidae
- Hebellidae
- Hebridae
- Hedwigiaceae
- Hedylidae
- Hekelidae
- Helcomyzidae
- Heleomyzidae
- Heleophrynidae
- Heliasteridae
- Helicarionidae
- Helicidae
- Helicinidae
- Helicobacteraceae
- Helicobasidiaceae
- Helicocephalidaceae
- Helicodiscidae
- Heliconiaceae
- Helicophidae
- Helicophyllaceae
- Helicopsychidae
- Heligosomidae
- Heliobacteriaceae
- Heliochonidae
- Heliodinidae
- Heliodiscidae
- Heliophryidae
- Helioporidae
- Heliornithidae
- Heliozelidae
- Helminthoglyptidae
- Helminthosphaeriaceae
- Helodermatidae
- Heloeciidae
- Helophoridae
- Heloridae
- Helosciomyzidae
- Helostomatidae
- Helotiaceae
- Helvellaceae
- Hemerobiidae
- Hemiasterellidae
- Hemiasteridae
- Hemiaulaceae
- Hemicytheridae
- Hemidiniaceae
- Hemidiscaceae
- Hemieuryalidae
- Hemigaleidae
- Hemigasteraceae
- Hemileiidae
- Hemiodontidae
- Hemioniscidae
- Hemipeltaceae
- Hemiphacidiaceae
- Hemiphlebiidae
- Hemiphractidae
- Hemiprocnidae
- Hemipsocidae
- Hemiramphidae
- Hemisarcoptidae
- Hemiscylliidae
- Hemiselmidaceae
- Hemisotidae
- Hemispeiridae
- Hemisquillidae
- Hemithirididae
- Hemitripteridae
- Hemiuridae
- Henicocoridae
- Henicopidae
- Hepadnaviridae
- Hepatoxylidae
- Hepialidae
- Heppiaceae
- Hepsetidae
- Heptageniidae
- Heptapteridae
- Heptaxodontidae
- Herbertaceae
- Hericiaceae
- Hermanniellidae
- Hermanniidae
- Hermatobatidae
- Hernandiaceae
- Heroidae
- Heronimidae
- Herpestidae
- Herpesviridae
- Herpetosiphonaceae
- Herpetostrongylidae
- Herpomycetaceae
- Herpotrichiellaceae
- Herpyllobiidae
- Hersiliidae
- Herzogianthaceae
- Hesionidae
- Hesperentomidae
- Hesperiidae
- Hesperinidae
- Heteracanthocephalidae
- Heterakidae
- Heteralepadidae
- Heteraxinidae
- Heterenchelyidae
- Heterobathmiidae
- Heterobelbidae
- Heteroceridae
- Heterocheilidae
- Heterochordeumatidae
- Heterochthoniidae
- Heteroderidae
- Heterodiniaceae
- Heterodontidae
- Heterodorididae
- Heterogastridae
- Heterogastridiaceae
- Heterogloeaceae
- Heterogynaidae
- Heterogynidae
- Heterohabditidae
- Heterojapygidae
- Heterolatzeliidae
- Heteromyidae
- Heteromyzidae
- Heteronemiidae
- Heteropediaceae
- Heterophyidae
- Heterophyridae
- Heteropiidae
- Heteropneustidae
- Heteroporidae
- Heteropterygidae
- Heterorhabdidae
- Heterorhabditidae
- Heteroscorpionidae
- Heterosigmataceae
- Heterospionidae
- Heterotentaculidae
- Heterothripidae
- Heterothyonidae
- Heteroxyidae
- Heterozetidae
- Hexabothriidae
- Hexabranchidae
- Hexacrobylidae
- Hexagonellidae
- Hexagrammidae
- Hexamitaceae
- Hexamitidae
- Hexanchidae
- Hexapodidae
- Hexarthridae
- Hexathelidae
- Hexatrygonidae
- Hexisopodidae
- Hexostomatidae
- Hiatellidae
- Hibberdiaceae
- Hilarimorphidae
- Hildenbrandiaceae
- Hilieaceae
- Himantariidae
- Himanthaliaceae
- Himantolophidae
- Himantopteridae
- Hiodontidae
- Hippidae
- Hippoboscidae
- Hippocastanaceae
- Hippocrateaceae
- Hippolytidae
- Hipponicidae
- Hippopodiidae
- Hippopotamidae
- Hippuridaceae
- Hirsutiidae
- Hirudinellidae
- Hirudinidae
- Hirudisomatidae
- Hirundinidae
- Hislopiidae
- Hispidicarpomycetaceae
- Hispidoberycidae
- Histeridae
- Histiobalantiidae
- Histiostomatidae
- Histioteuthidae
- Histocidaridae
- Histriobdellidae
- Hoffmaneumatidae
- Hofsteniidae
- Holarchaeidae
- Holcopogonidae
- Holidoteidae
- Holistophallidae
- Holocentridae
- Holognathidae
- Holopediidae
- Holophryidae
- Holosporaceae
- Holostichidae
- Holothuriidae
- Holozoidae
- Homalocnemiidae
- Homalometridae
- Homalonychidae
- Homalozoidae
- Hominidae
- Homolidae
- Homolodromiidae
- Homotomidae
- Homotrematidae
- Hookeriaceae
- Hoplichthyidae
- Hoplocercidae
- Hoplolaimidae
- Hoploplanidae
- Hoplopleuridae
- Hormathiidae
- Hormosinidae
- Hormosiraceae
- Hormotilaceae
- Horneridae
- Howellidae
- Hubbardiidae
- Hubrechtidae
- Humboldtianidae
- Humerobatidae
- Hungarobelbidae
- Huntemanniidae
- Hutchinsoniellidae
- Huttoniidae
- Huttoninidae
- Hyadesidae
- Hyadesiidae
- Hyaenidae
- Hyalellidae
- Hyalidae
- Hyalodiscaceae
- Hyalogyrinidae
- Hyalonematidae
- Hyaloriaceae
- Hyaloscyphaceae
- Hyblaeidae
- Hybogasteraceae
- Hybophthiridae
- Hybosoridae
- Hybotidae
- Hydnaceae
- Hydnangiaceae
- Hydnodontaceae
- Hydrachnidae
- Hydractiniidae
- Hydraenidae
- Hydrangeaceae
- Hydrichthyidae
- Hydridae
- Hydrobatidae
- Hydrobiidae
- Hydrobiosidae
- Hydrocenidae
- Hydrochaeridae
- Hydrocharitaceae
- Hydrochidae
- Hydrococcaceae
- Hydrocorynidae
- Hydrodictyaceae
- Hydrodromidae
- Hydrogenimonaceae
- Hydrogenophilaceae
- Hydrometridae
- Hydromylidae
- Hydrophiidae
- Hydrophilidae
- Hydrophyllaceae
- Hydropogonaceae
- Hydropsychidae
- Hydroptilidae
- Hydrosalpingidae
- Hydroscaphidae
- Hydrovolziidae
- Hydrozetidae
- Hydruraceae
- Hydryphantidae
- Hyellaceae
- Hygrobatidae
- Hygromiidae
- Hygrophoraceae
- Hygrophoropsidaceae
- Hyidae
- Hylidae
- Hylobatidae
- Hylocomiaceae
- Hylodidae
- Hymedesmiidae
- Hymeneliaceae
- Hymenoceridae
- Hymenochaetaceae
- Hymenolepididae
- Hymenomonadaceae
- Hymenophyllaceae
- Hymenophytaceae
- Hymenopodidae
- Hymenosomatidae
- Hynobiidae
- Hyocephalidae
- Hyperiidae
- Hyperiopsidae
- Hyperoliidae
- Hyperoodontidae
- Hyphasmoporidae
- Hyphochytriaceae
- Hyphomicrobiaceae
- Hypnaceae
- Hypneaceae
- Hypnidae
- Hypnodendraceae
- Hypnomonadaceae
- Hypobythiidae
- Hypochilidae
- Hypochthonellidae
- Hypochthoniidae
- Hypocolidae
- Hypocomidae
- Hypocreaceae
- Hypoderatidae
- Hypoechinorhynchidae
- Hypogastruridae
- Hypogexenidae
- Hyponectriaceae
- Hyponeoidae
- Hypophorellidae
- Hypopomidae
- Hypoptychidae
- Hypothalassiidae
- Hypotrichidiidae
- Hypoviridae
- Hypoxidaceae
- Hypsibiidae
- Hypsimetopidae
- Hypsiprymnodontidae
- Hypsostromataceae
- Hyriidae
- Hyssuridae
- Hysterangiaceae
- Hysteriaceae
- Hysterocinetidae
- Hystrichopsyllidae
- Hystrichosphaeraceae
- Hystricidae
- Ianthellidae
- Ibaliidae
- Iblidae
- Icacinaceae
- Ichneumonidae
- Ichthyophiidae
- Ichthyophthiriidae
- Ichthyotomidae
- Icmadophilaceae
- Icosteidae
- Ictaluridae
- Icteridae
- Ideoroncidae
- Idioctopodidae
- Idiomarinaceae
- Idiopidae
- Idiosepiidae
- Idiostolidae
- Idiozetidae
- Idmoneidae
- Idoteidae
- Ifalukellidae
- Iflaviridae
- Iguanidae
- Illiciaceae
- Illiosentidae
- Ilyocryptidae
- Ilyocyprididae
- Ilyplanidae
- Immergentiidae
- Immidae
- Inachidae
- Inachoididae
- Inbiomyiidae
- Incurvariidae
- Indicatoridae
- Indosquillidae
- Indostomidae
- Indridae
- Inermiidae
- Ingolfiellidae
- Iniidae
- Inocelliidae
- Inocybaceae
- Inoviridae
- Intraporidae
- Intrasporangiaceae
- Iodosphaeriaceae
- Iosactiidae
- Iospilidae
- Iotonchiidae
- Iotonchusidae
- Iotrochotidae
- Iphiculidae
- Iphimediidae
- Ipnopidae
- Iravadiidae
- Irciniidae
- Irenidae
- Iridaceae
- Iridopterygidae
- Iridoviridae
- Irmaosidae
- Ironidae
- Ironomyiidae
- Irvingiaceae
- Isaeidae
- Isanthidae
- Ischnochitonidae
- Ischnomesidae
- Ischnopsyllidae
- Ischyroceridae
- Ishigeaceae
- Isididae
- Islandiellidae
- Isochrysidaceae
- Isodiametridae
- Isodictyidae
- Isoetaceae
- Isognomonidae
- Isolaimiidae
- Isonychiidae
- Isoparorchiidae
- Isophelliidae
- Isoraphiniidae
- Isostictidae
- Isotomidae
- Issidae
- Istiophoridae
- Ithonidae
- Ithyceridae
- Ituridae
- Iulomorphidae
- Iulopididae
- Ixioliriaceae
- Ixodidae
- Jacanidae
- Jackiellaceae
- Jacobsoniidae
- Jakobaceae
- Jamesoniellaceae
- Janirellidae
- Janiridae
- Janolidae
- Janthinidae
- Japygidae
- Jaroschiidae
- Jeanbouilloniidae
- Jenkinidae
- Joeropsididae
- Joinvilleaceae
- Jonesiaceae
- Joppeicidae
- Joubiniteuthidae
- Jubilariidae
- Jubulaceae
- Juglandaceae
- Julidae
- Juliidae
- Juncaceae
- Juncaginaceae
- Jungermanniaceae
- Jurodidae
- Kahliellidae
- Kalliapseudidae
- Kallymeniaceae
- Kalotermitidae
- Kamakidae
- Kamburophryidae
- Kamptosomatidae
- Kantharellidae
- Kappamycetaceae
- Karkinorhynchidae
- Karpinskyaceae
- Karschiidae
- Karstenellaceae
- Kashmireumatidae
- Kathistaceae
- Katianiridae
- Katiannidae
- Kelleriidae
- Kelliellidae
- Kentrodorididae
- Kentrophoridae
- Kermesidae
- Keroeididae
- Keronidae
- Keroplatidae
- Kerriidae
- Keuphyliidae
- Kickxellaceae
- Kiitrichidae
- Kineosporiaceae
- Kingenidae
- Kinnaridae
- Kinosternidae
- Kirchenpaueriidae
- Kishinouyeidae
- Kiusiozoniidae
- Kiwaidae
- Kiwilichidae
- Klebsormidiaceae
- Knemidokoptidae
- Kneriidae
- Kodiakellidae
- Kofleriaceae
- Kogiidae
- Koinocystididae
- Kokiriidae
- Koleolepadidae
- Kolkwitziellaceae
- Kondoaceae
- Kophobelemnidae
- Koralionastetaceae
- Kordiimonadaceae
- Korethrasteridae
- Kornmanniaceae
- Kowalewskiidae
- Kraemeriidae
- Krameriaceae
- Kraussinidae
- Krendowskiidae
- Kreyellidae
- Krithidae
- Krohnitelldae
- Krohnittellidae
- Krohnittidae
- Kroyeriidae
- Kryoprorodontidae
- Kuhliidae
- Kurtidae
- Kyopodidae
- Kyphosidae
- Kytoditidae
- Labidostommidae
- Labiduridae
- Labiidae
- Labiostomellidae
- Laboulbeniaceae
- Labridae
- Labrisomidae
- Labyrinthulaceae
- Lacantuniidae
- Lacertidae
- Lachesillidae
- Lachnocladiaceae
- Lachnospiraceae
- Lacistemataceae
- Lacistorhynchidae
- Lacrymariidae
- Lactariidae
- Lactobacillaceae
- Lacturidae
- Lacydoniidae
- Laelapidae
- Laelaptidae
- Laemobothriidae
- Laemophloeidae
- Laetmogonidae
- Laetmonectidae
- Laevidentaliidae
- Laevipilinidae
- Lafoeidae
- Lafystiidae
- Laganidae
- Lagenaceae
- Lagenismataceae
- Lagenophryidae
- Lagynidae
- Lagynidae
- Lagynophryidae
- Lahmiaceae
- Lamellareidae
- Lamellariidae
- Lametilidae
- Lamiaceae
- Laminariaceae
- Laminosioptidae
- Lamippidae
- Lamnidae
- Lampeidae
- Lampoctenidae
- Lamponidae
- Lampridae
- Lampritrematidae
- Lamproblattidae
- Lampropidae
- Lampyridae
- Lanariaceae
- Lanceolidae
- Languriidae
- Laniidae
- Lankasomatidae
- Lanthanotidae
- Laodiceidae
- Laomediidae
- Laonastidae
- Laophontidae
- Laophontopsidae
- Laphystiopsidae
- Laqueidae
- Larcidae
- Lardizabalaceae
- Largidae
- Laridae
- Lasaeidae
- Lasiocampidae
- Lasiosphaeriaceae
- Lateolabracidae
- Laterotrematidae
- Lathiceridae
- Latidae
- Latiidae
- Latimeriidae
- Latocestidae
- Latreilliidae
- Latridae
- Latridiidae
- Latrunculiidae
- Laubierinidae
- Lauderiaceae
- Lauraceae
- Lauratonematidae
- Lauridae
- Lautosporaceae
- Lauxaniidae
- Lebertiidae
- Lebiasinidae
- Lecanidae
- Lecanodiaspididae
- Lecanophryidae
- Lecanoraceae
- Lechytiidae
- Lecideaceae
- Lecithoceridae
- Lecithodendriidae
- Lecythidaceae
- Leegaardiellidae
- Leeuwenhoekiidae
- Legeriomycetaceae
- Legionellaceae
- Leguminocythereididae
- Leilasteridae
- Leioclemidae
- Leiodidae
- Leiognathidae
- Leiopathidae
- Leiopelmatidae
- Leiosporocerotaceae
- Leitneriaceae
- Leiuperidae
- Lejeuneaceae
- Lelapiellidae
- Lelapiidae
- Lemaneaceae
- Lembadionidae
- Lembophyllaceae
- Lemoniidae
- Lemuridae
- Lennoaceae
- Lentariaceae
- Lentibulariaceae
- Lentisphaeraceae
- Lentulidae
- Leotiaceae
- Lepadellidae
- Lepadidae
- Lepetellidae
- Lepetidae
- Lepicoleaceae
- Lepidodasyidae
- Lepidogalaxiidae
- Lepidolaenaceae
- Lepidoleuconidae
- Lepidomeniidae
- Lepidomysidae
- Lepidopsocidae
- Lepidosirenidae
- Lepidostomatidae
- Lepidoteuthidae
- Lepidotrichidae
- Lepidoziaceae
- Lepismatidae
- Lepisosteidae
- Lepocreadiidae
- Leporidae
- Leptanthuridae
- Leptastacidae
- Leptestheriidae
- Leptobramidae
- Leptoceridae
- Leptochariidae
- Leptocheliidae
- Leptochilichthyidae
- Leptochitonidae
- Leptocylindraceae
- Leptocytheridae
- Leptodactylidae
- Leptodontaceae
- Leptodoridae
- Leptognathiidae
- Leptohyphidae
- Leptolaelapidae
- Leptolaimidae
- Leptolegniaceae
- Leptolegniellaceae
- Leptomitaceae
- Leptonchidae
- Leptonetidae
- Leptopeltidaceae
- Leptopharynidae
- Leptophlebiidae
- Leptoplanidae
- Leptopodidae
- Leptopontiidae
- Leptopsyllidae
- Leptoscopidae
- Leptosomatidae
- Leptosomidae
- Leptosphaeriaceae
- Leptospiraceae
- Leptotyphlopidae
- Lepyrodontaceae
- Lernaeidae
- Lernaeodiscidae
- Lernaeopodidae
- Lernaeosoleidae
- Lernanthropidae
- Leskeaceae
- Lessoniaceae
- Lestidae
- Lestoideidae
- Lestrigonidae
- Lethrinidae
- Letrouitiaceae
- Leucaltidae
- Leucascidae
- Leucettidae
- Leucochloridiidae
- Leucochloridiomorphidae
- Leucodontaceae
- Leuconidae
- Leuconostocaceae
- Leucopsacidae
- Leucosiidae
- Leucosoleniidae
- Leucospidae
- Leucosporidiaceae
- Leucotheidae
- Leucothoidae
- Leuctridae
- Levidoridae
- Levinellidae
- Leviviridae
- Liacaridae
- Liagoraceae
- Libellulidae
- Liceaceae
- Lichenoporidae
- Lichenotheliaceae
- Lichinaceae
- Lichomolgidae
- Lichtheimiaceae
- Licmophoraceae
- Licneremaeidae
- Licnobelbidae
- Licnodamaeidae
- Licnophoridae
- Liebstadiidae
- Ligiidae
- Liliaceae
- Liljeborgiidae
- Limacidae
- Limacinidae
- Limacodidae
- Limapontiidae
- Limidae
- Limifossoridae
- Limnactiniidae
- Limnadiidae
- Limnanthaceae
- Limnephilidae
- Limnesiidae
- Limnichidae
- Limnocentropodidae
- Limnocharidae
- Limnocytheridae
- Limnodynastidae
- Limnognathiidae
- Limnoperdaceae
- Limnoriidae
- Limnozetidae
- Limoniidae
- Limopsidae
- Limulidae
- Linaceae
- Lindgomycetaceae
- Lindiidae
- Lineidae
- Lineolariidae
- Linguatulidae
- Lingulidae
- Linhomoeidae
- Linognathidae
- Linophrynidae
- Linotaeniidae
- Linuchidae
- Linyphiidae
- Liocranidae
- Liodidae
- Liolopidae
- Liparidae
- Liphistiidae
- Lipkeidae
- Lipomycetaceae
- Liponematidae
- Liposcelididae
- Lipothrixviridae
- Lissorchiidae
- Listerellaceae
- Listeriaceae
- Listrophoridae
- Litheliidae
- Lithidiidae
- Lithobiidae
- Lithodesmiaceae
- Lithodidae
- Lithoglyptidae
- Lithothelestidae
- Lithotryidae
- Litiopidae
- Litocheiridae
- Litonotidae
- Littorinidae
- Lituolidae
- Liturgusidae
- Loasaceae
- Lobariaceae
- Lobatolampeidae
- Lobatovitelliovariidae
- Lobonematidae
- Lobotidae
- Lobulomycetaceae
- Loefgreniaceae
- Loftusiidae
- Loganiaceae
- Lohmanniellidae
- Lohmanniidae
- Loimoidae
- Loliginidae
- Lomanotidae
- Lomentariaceae
- Lonchaeidae
- Lonchopteridae
- Longidoridae
- Longipediidae
- Lopadorhynchidae
- Lopadorrhynchidae
- Lophichthyidae
- Lophiidae
- Lophiostomataceae
- Lophocoleaceae
- Lophocoronidae
- Lophodiniaceae
- Lophogastridae
- Lophopidae
- Lophopodidae
- Lophoproctidae
- Lophosoriaceae
- Lophotidae
- Loramycetaceae
- Loranthaceae
- Loricariidae
- Loricophryidae
- Loridae
- Loriellaceae
- Lotidae
- Lottiidae
- Louriniidae
- Lovenellidae
- Loveniidae
- Lowiaceae
- Loxocemidae
- Loxocephalidae
- Loxoconchidae
- Loxodidae
- Loxokalypodidae
- Loxophyllidae
- Loxosomatidae
- Lubbockiidae
- Lubomirskiidae
- Lucernariidae
- Lucicutiidae
- Luciferidae
- Lucinidae
- Ludioidae
- Luidiidae
- Lulworthiaceae
- Lumbricidae
- Lumbriculidae
- Lumbrineridae
- Lunulariaceae
- Lusitaniosomatidae
- Luteoviridae
- Lutjanidae
- Lutrochidae
- Luvaridae
- Lycaeidae
- Lycaenidae
- Lycaeopsidae
- Lychnocolacidae
- Lychnorhizidae
- Lycidae
- Lycopodiaceae
- Lycopsyllidae
- Lycosidae
- Lycoteuthidae
- Lygaeidae
- Lygistorrhinidae
- Lygodiaceae
- Lymantriidae
- Lymexylidae
- Lymnaeidae
- Lynceidae
- Lynchellidae
- Lyonetiidae
- Lyonsiidae
- Lyophyllaceae
- Lyrellaceae
- Lyroctenidae
- Lyroppiidae
- Lysianassidae
- Lysiosquillidae
- Lythraceae
- Maamingidae
- Mabiaramidae
- Macandrewiidae
- Machadobelbidae
- Machaerotidae
- Machilidae
- Machuellidae
- Macrobiotidae
- Macrochaeteumatidae
- Macrochelidae
- Macrochironidae
- Macrocyprididae
- Macrodasyidae
- Macroderoididae
- Macronicophilidae
- Macronyssidae
- Macrophthalmidae
- Macropneustidae
- Macropodidae
- Macropsyllidae
- Macroscelididae
- Macrosternodesmidae
- Macrostomidae
- Macrostylidae
- Macrothricidae
- Macrouridae
- Macrovalvitrematidae
- Macroveliidae
- Mactridae
- Madrellidae
- Magapiidae
- Magelonidae
- Magilidae
- Magnaporthaceae
- Magnoliaceae
- Majidae
- Makinoaceae
- Malacanthidae
- Malacobdellidae
- Malacoherpesviridae
- Malaconothridae
- Malaconotidae
- Malacophryidae
- Malacopsyllidae
- Malagazziidae
- Malapteruridae
- Malawispongiidae
- Malcidae
- Maldanidae
- Malkaridae
- Malleidae
- Malletiidae
- Mallomonadaceae
- Malpighiaceae
- Maluridae
- Malvaceae
- Mamiellaceae
- Manidae
- Mantellidae
- Mantidae
- Mantispidae
- Mantoididae
- Mantophasmatidae
- Manuelophryidae
- Manzanellidae
- Marantaceae
- Marasmiaceae
- Marattiaceae
- Marcgraviaceae
- Marchantiaceae
- Maretiidae
- Margaritiferidae
- Margarodidae
- Margelopsidae
- Marginellidae
- Marginidae
- Maristentoridae
- Marnaviridae
- Marsileaceae
- Marynidae
- Masaridae
- Maseniidae
- Massalongiaceae
- Massariaceae
- Massarinaceae
- Mastacembelidae
- Mastacideidae
- Mastigamoebaceae
- Mastigiidae
- Mastigocladaceae
- Mastigocladopsidaceae
- Mastigophoraceae
- Mastigophorophyllidae
- Mastigoteuthidae
- Mastodiaceae
- Mastogloiaceae
- Mathildellidae
- Mathildidae
- Matutidae
- Maudheimiidae
- Maupasellidae
- Maupasinidae
- Mayacaceae
- Mazocraeidae
- Meandrinidae
- Mecicobothriidae
- Mecistocephalidae
- Mecognathidae
- Mecynoceridae
- Mecynostomidae
- Mecysmaucheniidae
- Medeolariaceae
- Meenoplidae
- Meesiaceae
- Megacalanidae
- Megachasmidae
- Megachilidae
- Megadermatidae
- Megaladapidae
- Megalariaceae
- Megalonchidae
- Megalonychidae
- Megalopidae
- Megalopodidae
- Megalopygidae
- Megalosporaceae
- Megalotylidae
- Megaluropidae
- Megamerinidae
- Megaperidae
- Megapodagrionidae
- Megapodiidae
- Megapontiidae
- Megascolecidae
- Megaspilidae
- Megaspiridae
- Megasporaceae
- Megathyrididae
- Megeremaeidae
- Megomphicidae
- Megophryidae
- Meidiamidae
- Meinertellidae
- Meiomeniidae
- Melamphaidae
- Melampsoraceae
- Melanconidaceae
- Melandryidae
- Melaniellaceae
- Melanoblossiidae
- Melanocetidae
- Melanocharitidae
- Melanommataceae
- Melanonidae
- Melanopsidae
- Melanotaeniaceae
- Melanotaeniidae
- Melanthiaceae
- Melanthripidae
- Melaspileaceae
- Melastomataceae
- Meliaceae
- Melicertidae
- Melinnacheridae
- Meliolaceae
- Meliolinaceae
- Meliphagidae
- Melithaeidae
- Melitidae
- Melittidae
- Mellitidae
- Melogrammataceae
- Meloidae
- Melolonthidae
- Melongenidae
- Melosiraceae
- Melphidippidae
- Melyridae
- Membracidae
- Mengenillidae
- Menidae
- Menippidae
- Menispermaceae
- Menoponidae
- Menthidae
- Menuridae
- Menyanthaceae
- Meoniscidae
- Mephitidae
- Meripilaceae
- Merismopediaceae
- Meristacraceae
- Meristocotylidae
- Merliidae
- Merlucciidae
- Mermithidae
- Meropeidae
- Meropidae
- Merothripidae
- Mertensiidae
- Meruliaceae
- Merulinidae
- Mesamphisopidae
- Mesitornithidae
- Mesnieraceae
- Mesnilellidae
- Mesocenaceae
- Mesocoeliidae
- Mesodesmatidae
- Mesodiniidae
- Mesogammaridae
- Mesognathariidae
- Mesometridae
- Mesophelliaceae
- Mesoplophoridae
- Mesopsocidae
- Mesosignidae
- Mesosporaceae
- Mesostigmataceae
- Mesotaeniaceae
- Mesoveliidae
- Messicobolidae
- Metacapnodiaceae
- Metachandidae
- Metacyclididae
- Metacystidae
- Metallyticidae
- Metaniidae
- Metapseudidae
- Metastrongylidae
- Metaviridae
- Meteoriaceae
- Methanobacteriaceae
- Methanocaldococcaceae
- Methanococcaceae
- Methanocorpusculaceae
- Methanomicrobiaceae
- Methanopyraceae
- Methanosaetaceae
- Methanosarcinaceae
- Methanospirillaceae
- Methanothermaceae
- Methylobacteriaceae
- Methylococcaceae
- Methylocystaceae
- Methylophilaceae
- Metidae
- Metopidae
- Metopidiotrichidae
- Metretopodidae
- Metridiidae
- Metridinidae
- Metrioppiidae
- Metschnikowiaceae
- Metschnikowiidae
- Metzgeriaceae
- Micheleidae
- Micrabaciidae
- Micractiniaceae
- Micrasteridae
- Micreremidae
- Micrixalidae
- Microascaceae
- Microbacteriaceae
- Microbiotheriidae
- Microbothriidae
- Microbotryaceae
- Microcaliciaceae
- Microcerberidae
- Microchaetaceae
- Microcionidae
- Micrococcaceae
- Micrococcidae
- Microcodidae
- Microcotylidae
- Microcystaceae
- Microcytheridae
- Microdajidae
- Microdesmidae
- Microhedylidae
- Microhydrulidae
- Microhylidae
- Microhypsibiidae
- Microlaimidae
- Micromalthidae
- Micromonosporaceae
- Micropacteridae
- Microparasellidae
- Micropeltidaceae
- Micropezidae
- Microphallidae
- Microphasmatidae
- Micropholcommatidae
- Microphysidae
- Micropilinidae
- Micropontiidae
- Micropterigidae
- Micropygidae
- Microscaphidiidae
- Microsporaceae
- Microstigmatidae
- Microstomatidae
- Microstomidae
- Microstromataceae
- Microtegeidae
- Microtheciellaceae
- Microtheliopsidaceae
- Microthoracidae
- Microthoraciidae
- Microthyriaceae
- Microtrombidiidae
- Microviridae
- Microzetidae
- Mictosomatidae
- Mictyridae
- Mideidae
- Mideopsidae
- Migidae
- Mikronegeriaceae
- Milacidae
- Milichiidae
- Miliolidae
- Milleporidae
- Millotauropodidae
- Milnesiidae
- Miltideaceae
- Mimallonidae
- Mimetidae
- Mimidae
- Mimiviridae
- Mimonectidae
- Mimosellidae
- Minakatellaceae
- Minchinellidae
- Minyadidae
- Miraciidae
- Mirandotanaidae
- Miridae
- Mirinidae
- Mischococcaceae
- Misophriidae
- Mithracidae
- Mithrodiidae
- Mitridae
- Mitrocomidae
- Mitsukurinidae
- Mitteniaceae
- Miturgidae
- Mixiaceae
- Mixolineidae
- Mizutaniaceae
- Mnesarchaeidae
- Mniaceae
- Mochlozetidae
- Mochokidae
- Modulidae
- Moerckiaceae
- Moerisiidae
- Mogoplistidae
- Moinidae
- Molannidae
- Molgulidae
- Molidae
- Molineidae
- Molluginaceae
- Molossidae
- Molpadiidae
- Momoniidae
- Momotidae
- Momphidae
- Monacanthidae
- Monarchidae
- Monascaceae
- Monascidae
- Mongoliulidae
- Monhysteridae
- Moniliformidae
- Monimiaceae
- Monoblastiaceae
- Monoblepharidaceae
- Monobrachiidae
- Monobryozoontidae
- Monocarpaceae
- Monocelididae
- Monocentridae
- Monocercomonadidae
- Monocleaceae
- Monocotylidae
- Monodactylidae
- Monodellidae
- Monodontidae
- Monodopsidaceae
- Monognathidae
- Mononchidae
- Mononchulidae
- Monoplacophoridae
- Monoposthiidae
- Monorchiidae
- Monorhaphididae
- Monoscutidae
- Monosigaceae
- Monosoleniaceae
- Monostromataceae
- Monotomidae
- Monotoplanidae
- Monotropaceae
- Monstrillidae
- Montagnulaceae
- Mopaliidae
- Morabidae
- Moraceae
- Moraxellaceae
- Morchellaceae
- Mordellidae
- Moreauiidae
- Moridae
- Moringaceae
- Moringuidae
- Moriolaceae
- Moritellaceae
- Mormonillidae
- Mormoopidae
- Mormotomyiidae
- Mormyridae
- Moronidae
- Morosphaeriaceae
- Mortierellaceae
- Moschidae
- Motacillidae
- Mucoraceae
- Mugilidae
- Mullidae
- Multicalycidae
- Multifasciculatidae
- Multipeniatidae
- Multisparsidae
- Multoribulidae
- Mummuciidae
- Munnidae
- Munnopsidae
- Muntingiaceae
- Muraenesocidae
- Muraenidae
- Muraenolepididae
- Muricidae
- Muridae
- Murrayonidae
- Musaceae
- Muscicapidae
- Muscidae
- Musophagidae
- Mussidae
- Mustelidae
- Mutillidae
- Mycalidae
- Mycenaceae
- Mycetomorphidae
- Mycetophagidae
- Mycetophilidae
- Mychodeaceae
- Mychodeophyllaceae
- Mycobacteriaceae
- Mycoblastaceae
- Mycocaliciaceae
- Mycocladaceae
- Mycogelidiaceae
- Mycoplasmataceae
- Mycoporaceae
- Mycosphaerellaceae
- Mycosyringaceae
- Mycotyphaceae
- Mycteridae
- Myctophidae
- Mydidae
- Myeloconidaceae
- Myeloconidiaceae
- Myelospermataceae
- Myerslopiidae
- Myicolidae
- Myidae
- Mylestomatidae
- Myliaceae
- Myliobatidae
- Mymaridae
- Mymarommatidae
- Myobatrachidae
- Myobiidae
- Myochamidae
- Myocoptidae
- Myoporaceae
- Myopsocidae
- Myoviridae
- Myoxidae
- Myriangiaceae
- Myricaceae
- Myriniaceae
- Myrionemataceae
- Myriopathidae
- Myriotrochidae
- Myristicaceae
- Myrmecobiidae
- Myrmecolacidae
- Myrmecophagidae
- Myrmecophilidae
- Myrmeleontidae
- Myrocongridae
- Myrsinaceae
- Myrtaceae
- Mysidae
- Mysmenidae
- Mystacinidae
- Mystacinobiidae
- Mytilicolidae
- Mytilidae
- Mytilinidae
- Mytilinidiaceae
- Myuriaceae
- Myxasteridae
- Myxidiidae
- Myxillidae
- Myxinidae
- Myxobolidae
- Myxochloridaceae
- Myxococcaceae
- Myxosomatidae
- Myxotrichaceae
- Myzocytiopsidaceae
- Myzopodidae
- Myzostomidae
- Nabidae
- Naccariaceae
- Nacellidae
- Nadinidae
- Naetrocymbaceae
- Najnidae
- Nakamurellaceae
- Nanaloricidae
- Nandidae
- Nandiniidae
- Nanhermanniidae
- Nannastacidae
- Nannochoristidae
- Nannocystaceae
- Nannodastiidae
- Nannoniscidae
- Nannosquillidae
- Nanophyetidae
- Nanophyidae
- Nanorchestidae
- Nanoviridae
- Naobranchiidae
- Napoleonaceae
- Narcinidae
- Narkidae
- Narnaviridae
- Nartheciaceae
- Nasikabatrachidae
- Nasitrematidae
- Nasobatidae
- Nassariidae
- Nassulidae
- Nassulopsidae
- Natalidae
- Natalimyzidae
- Naticidae
- Naucoridae
- Nausithoidae
- Nautarachnidae
- Nautiliaceae
- Nautilidae
- Nautiliniellidae
- Naviculaceae
- Neanuridae
- Nearctodesmidae
- Nebaliidae
- Nebaliopsididae
- Nebelidae
- Neckeraceae
- Necopinatidae
- Nectariniidae
- Nectonemertidae
- Nectonemidae
- Nectriaceae
- Neelidae
- Nehypochthoniidae
- Neidiaceae
- Neilonellidae
- Neisseriaceae
- Nelumbonaceae
- Nemanthidae
- Nemasomatidae
- Nemastomataceae
- Nematistiidae
- Nematocarcinidae
- Nematogenyidae
- Nematoparataeniidae
- Nematoplanidae
- Nematorhynchidae
- Nematotaeniidae
- Nemertodermatidae
- Nemesiidae
- Nemestrinidae
- Nemichthyidae
- Neminidae
- Nemipteridae
- Nemonychidae
- Nemopteridae
- Nemouridae
- Neoacaridae
- Neoarctidae
- Neoatractosomatidae
- Neobalaenidae
- Neobisiidae
- Neobradyidae
- Neobursaridiidae
- Neocallimastigaceae
- Neocentrophyidae
- Neoceratiidae
- Neoceratodontidae
- Neocytherideidae
- Neodasyidae
- Neodiplogasteridae
- Neoechinorhynchidae
- Neoephemeridae
- Neogeophilidae
- Neogosseidae
- Neohodgsoniaceae
- Neokeronopsidae
- Neolampadidae
- Neolectaceae
- Neoleptonidae
- Neolinognathidae
- Neoliodidae
- Neomegamphopidae
- Neomeniidae
- Neomorphasteridae
- Neonemataceae
- Neopeltidae
- Neopetaliidae
- Neopilinidae
- Neopseustidae
- Neoscopelidae
- Neosebastidae
- Neosittidae
- Neostygarctidae
- Neotanaidae
- Neoteuthidae
- Neotheoridae
- Neothricidae
- Neotrichocoleaceae
- Neotrichozetidae
- Neotylenchidae
- Neozoanthidae
- Neozygitaceae
- Nepenthaceae
- Nephilidae
- Nephromataceae
- Nephropidae
- Nephroselmidaceae
- Nephtheidae
- Nephtyidae
- Nepidae
- Nepticulidae
- Nereicolidae
- Nereididae
- Neriidae
- Nerillidae
- Neritidae
- Nesameletidae
- Nesophontidae
- Nesozetidae
- Nesticidae
- Nettastomatidae
- Neurochaetidae
- Nevadneidae
- Nevrorthidae
- Nexilidae
- Niaceae
- Nicodamidae
- Nicoletiidae
- Nicothoidae
- Nidaliidae
- Niessliaceae
- Nihotungidae
- Nikiforovellidae
- Nimaviridae
- Ninidae
- Niobiidae
- Niphatidae
- Niphocepheidae
- Niponiosomatidae
- Nippobodidae
- Nippotaeniidae
- Nitidulidae
- Nitrosomonadaceae
- Nitrospinaceae
- Nitrospiraceae
- Nitschkiaceae
- Nizymeniaceae
- Nocardiaceae
- Nocardioidaceae
- Nocardiopsaceae
- Nocticolidae
- Noctilionidae
- Noctilucaceae
- Noctuidae
- Nodaviridae
- Nodocepheidae
- Nodosariidae
- Noelaerhabdaceae
- Noetiidae
- Nogodinidae
- Nolellidae
- Nolidae
- Nomeidae
- Nonionidae
- Normanellidae
- Normanichthyidae
- Nosematidae
- Nosodendridae
- Nostocaceae
- Nostochopsidaceae
- Nosybeidae
- Nosybelbidae
- Notacanthidae
- Notarchidae
- Noteridae
- Notheiaceae
- Nothobranchiidae
- Nothofagaceae
- Nothridae
- Nothybidae
- Notobranchaeidae
- Notocheiridae
- Notocotylidae
- Notodelphyidae
- Notodontidae
- Notodromadidae
- Notoligotomidae
- Notommatidae
- Notonectidae
- Notonemouridae
- Notopteridae
- Notoryctidae
- Notosariidae
- Notosudidae
- Nototanaidae
- Nototheniidae
- Notothyladaceae
- Nouriidae
- Nubeculariidae
- Nucleariidae
- Nuculanidae
- Nuculidae
- Nudacotylidae
- Nullosetigeridae
- Numbakullidae
- Numididae
- Nummulitidae
- Nuttalliellidae
- Nyctaginaceae
- Nycteridae
- Nyctibatrachidae
- Nyctibiidae
- Nyctotheridae
- Nygolaimellidae
- Nygolaimidae
- Nymphaeaceae
- Nymphalidae
- Nymphidae
- Nymphomyiidae
- Nymphonidae
- Nyssaceae
- Obryzaceae
- Obtortionidae
- Oceaniidae
- Oceanospirillaceae
- Ochetosomatidae
- Ochlesidae
- Ochnaceae
- Ochodaeidae
- Ochotonidae
- Ochrolechiaceae
- Ochromonadaceae
- Ochrosphaeraceae
- Ochteridae
- Ochyroceratidae
- Octacnemidae
- Octineonidae
- Octocannoididae
- Octodontidae
- Octolabeidae
- Octopicolidae
- Octopodidae
- Octopoteuthidae
- Oculinidae
- Ocypodidae
- Ocyropsidae
- Ocythoidae
- Odacidae
- Odiidae
- Odiniidae
- Odobenidae
- Odontaspididae
- Odontasteridae
- Odontellidae
- Odontobutidae
- Odontoceridae
- Odontodactylidae
- Odontopharyngidae
- Odontophoridae
- Odontopygidae
- Odontorhabditidae
- Odontotremataceae
- Oecobiidae
- Oeconesidae
- Oecophoridae
- Oedemeridae
- Oedicerotidae
- Oedipodiaceae
- Oedogoniaceae
- Oedogoniomycetaceae
- Oenonidae
- Oenosandridae
- Oerstediidae
- Oesophagicolidae
- Oestridae
- Ogcocephalidae
- Ogyrididae
- Oikopleuridae
- Oithonidae
- Okeanobatidae
- Olacaceae
- Oleaceae
- Oleacinidae
- Oleiphilaceae
- Olibrinidae
- Oligacanthorhynchidae
- Oligoneuriidae
- Oligotomidae
- Olindiasidae
- Olividae
- Ologamasidae
- Olpidiaceae
- Olpidiopsidaceae
- Olpiidae
- Olyridae
- Omalogyridae
- Omethidae
- Ommastrephidae
- Ommatidae
- Ommexechidae
- Omniglyptidae
- Omosudidae
- Omphalometridae
- Onagraceae
- Oncaeidae
- Onchidiidae
- Onchidorididae
- Onchobothriidae
- Onchocercidae
- Oncholaimidae
- Onchulidae
- Oncobothriidae
- Oncopoduridae
- Oncousoeciidae
- Oneirodidae
- Oniscidae
- Oniscigastridae
- Oniscodesmidae
- Onuphidae
- Onychiuridae
- Onychodromusidae
- Onychognathiidae
- Onychoteuthidae
- Onygenaceae
- Oocystaceae
- Oodiniaceae
- Oonopidae
- Opailaimidae
- Opecoelidae
- Operculariidae
- Opetiidae
- Opheliidae
- Ophiacanthidae
- Ophiactidae
- Ophichthidae
- Ophidiasteridae
- Ophidiidae
- Ophiochitonidae
- Ophiocomidae
- Ophiocordycipitaceae
- Ophiocytaceae
- Ophiodermatidae
- Ophioglossaceae
- Ophiolepididae
- Ophiomyxidae
- Ophionereididae
- Ophioparmaceae
- Ophiostomataceae
- Ophiotrichidae
- Ophioviridae
- Ophiuridae
- Ophrydiidae
- Ophryoglenidae
- Ophryoscolcidae
- Opilioacaridae
- Opisidae
- Opisotretidae
- Opisthocheiridae
- Opisthocomidae
- Opisthogonimidae
- Opistholebetidae
- Opisthonectidae
- Opisthoproctidae
- Opisthorchiidae
- Opisthoteuthidae
- Opisthotrematidae
- Opistocystidae
- Opistognathidae
- Opitutaceae
- Oplegnathidae
- Oplophoridae
- Opluridae
- Opomyzidae
- Opostegidae
- Oppiidae
- Orbiliaceae
- Orbiniidae
- Orbiporidae
- Orbitestellidae
- Orchidaceae
- Orchipedidae
- Orchistomidae
- Oreasteridae
- Orectolobidae
- Oreellidae
- Oregoniidae
- Oreogetonidae
- Oreohelicidae
- Oreoleptidae
- Oreosomatidae
- Oribatellidae
- Oribatulidae
- Oribellidae
- Oribotritiidae
- Origmatogonidae
- Oriolidae
- Oripodidae
- Orithyiidae
- Ormyridae
- Ornithorhynchidae
- Ornithostrongylidae
- Orobanchaceae
- Orphnidae
- Orsodacnidae
- Orsolobidae
- Ortheziidae
- Orthoamphisiellidae
- Orthodonellidae
- Orthomyxoviridae
- Orthonychidae
- Orthopsyllidae
- Orthorrhynchiaceae
- Orthoseiraceae
- Orthotrichaceae
- Orussidae
- Orycteropodidae
- Oryidae
- Osangulariidae
- Oscarellidae
- Oscillatoriaceae
- Oscillochloridaceae
- Osmeridae
- Osmundaceae
- Osmylidae
- Osphronemidae
- Osteoglossidae
- Osteopeltidae
- Ostraciidae
- Ostracoberycidae
- Ostreidae
- Ostreobiaceae
- Ostreopsidaceae
- Otariidae
- Otididae
- Otinidae
- Otocelididae
- Otocepheidae
- Otomesostomatidae
- Otoplanidae
- Ototyphlonemertidae
- Ovariopteridae
- Ovulidae
- Oweniidae
- Oxalidaceae
- Oxalobacteraceae
- Oxidae
- Oxyameridae
- Oxycarenidae
- Oxycephalidae
- Oxycorynidae
- Oxydesmidae
- Oxydiridae
- Oxymitraceae
- Oxynaspididae
- Oxynoidae
- Oxynotidae
- Oxyopidae
- Oxystominidae
- Oxytoxaceae
- Oxytrichidae
- Oxyuridae
- Oziidae
- Ozobranchidae
- Pachastrellidae
- Pachnocybaceae
- Pachyascaceae
- Pachybolidae
- Pachygnathidae
- Pachygronthidae
- Pachylasmatidae
- Pachynemertidae
- Pachyneuridae
- Pachypodidae
- Pachypsolidae
- Pachytrematidae
- Pachytroctidae
- Pachytullbergiidae
- Pachyzoontidae
- Pacisporaceae
- Paedembiidae
- Paenibacillaceae
- Paeoniaceae
- Paeromopodidae
- Pagurapseudidae
- Pagurapseudopsididae
- Paguridae
- Palaeacaridae
- Palaemonidae
- Palaeosetidae
- Palaeostomatidae
- Palaeotropidae
- Palaephatidae
- Palavasciaceae
- Paleopneustidae
- Palicidae
- Palingeniidae
- Palinuridae
- Pallaviciniaceae
- Pallopteridae
- Palmariaceae
- Palmellaceae
- Palmellopsidaceae
- Palpimanidae
- Paludicellidae
- Pamphagidae
- Pamphiliidae
- Panagrolaimidae
- Pandaceae
- Pandalidae
- Pandanaceae
- Pandaridae
- Pandeidae
- Pandoridae
- Pangasiidae
- Pangrolaimidae
- Pannariaceae
- Panolicellidae
- Panopeidae
- Panorhynchidae
- Panorpidae
- Panorpodidae
- Pantheidae
- Pantodontidae
- Pantophthalmidae
- Papaveraceae
- Papilionidae
- Papillomaviridae
- Papillonotidae
- Papposphaeraceae
- Papulosaceae
- Parabathynellidae
- Parabembridae
- Parabrotulidae
- Paracalanidae
- Paracalliopiidae
- Paracercopidae
- Paracharontidae
- Parachlamydiaceae
- Paracinetidae
- Paracortinidae
- Paracorynidae
- Paracrangonyctidae
- Paracucumidae
- Paracyprididae
- Paracytherideidae
- Paradisaeidae
- Paradoliopsidae
- Paradoxosomatidae
- Paradoxostomatidae
- Paradrepanophoridae
- Paraglomeraceae
- Paragonimidae
- Paragorgiidae
- Parahyidae
- Parajapygidae
- Parajulidae
- Parakahliellidae
- Parakalummidae
- Paralacydoniidae
- Paralcyoniidae
- Paralepididae
- Paraleptamphopiidae
- Paraliaceae
- Paralichthyidae
- Parallelodontidae
- Paramastigaceae
- Parameciidae
- Paramesochridae
- Paramoebidae
- Paramphistomatidae
- Paramunnidae
- Paramurrayonidae
- Paramythiidae
- Paramyxoviridae
- Paranebaliidae
- Paranophryidae
- Parantennulidae
- Paranthuridae
- Paraonidae
- Parapaguridae
- Paraphelenchidae
- Paraphronimidae
- Paraphyllinidae
- Paraphysomonadaceae
- Parapirnodidae
- Parapodophryidae
- Parapontellidae
- Parapseudidae
- Paraquadrulidae
- Pararchaeidae
- Pararrhopaliidae
- Parartemiidae
- Parasaleniidae
- Parascelidae
- Parascorpididae
- Parascylliidae
- Parasitidae
- Parasquillidae
- Parastacidae
- Parastenheliidae
- Parastenocarididae
- Parataeniellaceae
- Paratanaidae
- Paratomellidae
- Paratropididae
- Paraulopidae
- Parauronematidae
- Parazenidae
- Parazoanthidae
- Pardaliscidae
- Pardalotidae
- Parechinidae
- Parergodrilidae
- Parhypochthoniidae
- Pariambidae
- Paridae
- Parilimyidae
- Parisididae
- Parkeriaceae
- Parmeliaceae
- Parmulariaceae
- Parodiellaceae
- Parodiopsidaceae
- Parodontidae
- Paronellidae
- Parthenopidae
- Partitiviridae
- Parulidae
- Parvocytheridae
- Parvoviridae
- Parvularculaceae
- Pasiphaeidae
- Passalozetidae
- Passandridae
- Passeridae
- Passifloraceae
- Pasteurellaceae
- Pataecidae
- Patellariaceae
- Patellidae
- Pateramycetaceae
- Patulibacteraceae
- Paucidentulidae
- Paulinellidae
- Pauropodidae
- Pavlovaceae
- Paxillaceae
- Pecaroecidae
- Pectinariidae
- Pectinatellidae
- Pectinidae
- Pectiniidae
- Pectocytheridae
- Pedaliaceae
- Pedetidae
- Pedicellasteridae
- Pedicellinidae
- Pediciidae
- Pedicinidae
- Pediculidae
- Pediculochelidae
- Pedinellaceae
- Pedinidae
- Pedinomonadaceae
- Pedionomidae
- Pegasidae
- Pelagiidae
- Pelagomonadaceae
- Pelagonemertidae
- Pelagostrombidiidae
- Pelagothuridae
- Pelecanidae
- Pelecanoididae
- Pelecinidae
- Pelecorhynchidae
- Pelliaceae
- Pellicieraceae
- Pelmatosphaeridae
- Pelobatidae
- Pelodytidae
- Pelomedusidae
- Pelomyxidae
- Peloridiidae
- Peltidiidae
- Peltigeraceae
- Peltogastridae
- Peltoperlidae
- Peltulaceae
- Pelycidiidae
- Pempheridae
- Penaeidae
- Penetrantiidae
- Peniaceae
- Peniculistomatidae
- Peniculostomatidae
- Peniophoraceae
- Pennariidae
- Pennatulidae
- Pennautlidae
- Pennellidae
- Pentacerotidae
- Pentacrinitidae
- Pentalaminaceae
- Pentametrocrinidae
- Pentatomidae
- Penthaleidae
- Penthalodidae
- Peptococcaceae
- Peptostreptococcaceae
- Peraclididae
- Peramelidae
- Peranemataceae
- Percichthyidae
- Percidae
- Perciliidae
- Percnidae
- Percophidae
- Percopsidae
- Pergidae
- Periacinetidae
- Pericambalidae
- Pericelidae
- Pericosmidae
- Peridiniaceae
- Peridiscaceae
- Periegopidae
- Perilampidae
- Perilestidae
- Peripatidae
- Peripatopsidae
- Periphyllidae
- Periplomatidae
- Peripsocidae
- Periscelididae
- Perissommatidae
- Peristediidae
- Peritromidae
- Perlidae
- Perlodidae
- Perlohmaniidae
- Peroniaceae
- Peronosporaceae
- Perophoridae
- Personidae
- Perssoniellaceae
- Pertusariaceae
- Petalomonadaceae
- Petalophthalmidae
- Petalophyllaceae
- Petaloporidae
- Petaluridae
- Petasidae
- Petauridae
- Peterjohnsiidae
- Petermanniaceae
- Petrarcidae
- Petricolidae
- Petrobionidae
- Petrocelidaceae
- Petroicidae
- Petromuridae
- Petromyzontidae
- Petropedetidae
- Petrosaviaceae
- Petrosiidae
- Petrothrincidae
- Pettalidae
- Peucedramidae
- Peyssonneliaceae
- Pezizaceae
- Pfiesteriaceae
- Phacelocarpaceae
- Phaceloporidae
- Phacidiaceae
- Phacodiniidae
- Phacopteronidae
- Phacotaceae
- Phaennidae
- Phaeochoraceae
- Phaeocystaceae
- Phaeomyiidae
- Phaeophilaceae
- Phaeosaccionaceae
- Phaeosphaeriaceae
- Phaeothamniaceae
- Phaeotrichaceae
- Phaethontidae
- Phaffomycetaceae
- Phakopsoraceae
- Phalacridae
- Phalacrocoracidae
- Phalangeridae
- Phalangodidae
- Phalansteriaceae
- Phallaceae
- Phallogastraceae
- Phallonemertidae
- Phallostethidae
- Phanerochaetaceae
- Phaneromycetaceae
- Phanodermatidae
- Pharidae
- Pharodidae
- Pharyngodonidae
- Pharyngostrongylidae
- Phascolarctidae
- Phascoliidae
- Phascolosomatidae
- Phasianidae
- Phasmatidae
- Phellodermidae
- Phelloriniaceae
- Phenacoleachiidae
- Phenacolepadidae
- Phengodidae
- Phenopelopidae
- Pheroliodidae
- Pheronematidae
- Pherusellidae
- Phialellidae
- Phialuciidae
- Philasteridae
- Philepittidae
- Philesiaceae
- Philichthyidae
- Philinidae
- Philinoglossidae
- Phillipsiellaceae
- Philobryidae
- Philodinavidae
- Philodinidae
- Philodromidae
- Philomedidae
- Philometridae
- Philomycidae
- Philophthalmidae
- Philopotamidae
- Philopteridae
- Philorheithridae
- Philosciidae
- Philotarsidae
- Philydraceae
- Phlaeothripidae
- Phleogenaceae
- Phliantidae
- Phloeodictyidae
- Phlyctidaceae
- Phocidae
- Phocoenidae
- Phoenicococcidae
- Phoenicopteridae
- Phoeniculidae
- Pholadidae
- Pholadomyidae
- Pholcidae
- Pholidae
- Pholidichthyidae
- Pholoidae
- Phoratopodidae
- Phoridae
- Phormidiaceae
- Phormosomatidae
- Phosichthyidae
- Phoxichilidiidae
- Phoxocephalidae
- Phractolaemidae
- Phragmidiaceae
- Phragmonemataceae
- Phragmoxenidiaceae
- Phreatogammaridae
- Phreatoicidae
- Phreatoicopsidae
- Phreodrilidae
- Phronimidae
- Phrosinidae
- Phryganeidae
- Phryganellidae
- Phryganopsychidae
- Phrynichidae
- Phrynidae
- Phrynobatrachidae
- Phrynocrinidae
- Phrynosomatidae
- Phthiracaridae
- Phtisicidae
- Phycidae
- Phycodnaviridae
- Phycolepidoziaceae
- Phycomycetaceae
- Phyllachoraceae
- Phyllanthaceae
- Phyllariaceae
- Phyllidiidae
- Phylliidae
- Phylliroidae
- Phyllobacteriaceae
- Phyllobatheliaceae
- Phyllobothriidae
- Phyllochthoniidae
- Phyllocladaceae
- Phyllodicolidae
- Phyllodocidae
- Phyllodrepaniaceae
- Phyllognathopodidae
- Phyllogoniaceae
- Phyllophoraceae
- Phyllophoridae
- Phyllosiphonaceae
- Phyllostomidae
- Phyllothalliaceae
- Phyllotymolinidae
- Phylloxeridae
- Phymanthidae
- Phymaraphiniidae
- Phymatellidae
- Phymatocerotaceae
- Physalacriaceae
- Physaliidae
- Physalopteridae
- Physaraceae
- Physciaceae
- Physeteridae
- Physidae
- Physodermataceae
- Physophoridae
- Phytodiniaceae
- Phytolaccaceae
- Phytoptidae
- Phytoseiidae
- Phyxelididae
- Picathartidae
- Pichiaceae
- Picidae
- Pickworthiidae
- Picobirnaviridae
- Picornaviridae
- Picrodendraceae
- Picrophilaceae
- Piedraiaceae
- Pieridae
- Piersigiidae
- Piesmatidae
- Pihiellaceae
- Pilargidae
- Pileolariaceae
- Pilobolaceae
- Pilocarpaceae
- Pilumnidae
- Pilumnoididae
- Pimelodidae
- Pimoidae
- Pinaceae
- Pinguiochrysidaceae
- Pinguipedidae
- Pinnidae
- Pinnotheridae
- Pinnulariaceae
- Pionidae
- Piophilidae
- Piperaceae
- Pipidae
- Pipridae
- Piptocephalidaceae
- Pipunculidae
- Pirimelidae
- Pirnodidae
- Pisanianuridae
- Pisauridae
- Piscicolidae
- Piscirickettsiaceae
- Pisidae
- Pisidiidae
- Pisionidae
- Pisuliidae
- Pitheciidae
- Pittidae
- Pittosporaceae
- Placidae
- Placorhynchidae
- Placospongiidae
- Placothuriidae
- Placynthiaceae
- Plagiacanthidae
- Plagiocampidae
- Plagiochilaceae
- Plagioeciidae
- Plagiogrammaceae
- Plagiopylidae
- Plagiorchiidae
- Plagiorhynchidae
- Plagiostomidae
- Plagiotheciaceae
- Plagiotomidae
- Plagiotropidaceae
- Plagusiidae
- Plakarthriidae
- Plakinidae
- Planariidae
- Planaxidae
- Planctomycetaceae
- Planistromellaceae
- Planktonemertidae
- Planoceridae
- Planococcaceae
- Planodasyidae
- Planomalinidae
- Planopilumnidae
- Planorbidae
- Planorbulinidae
- Plantaginaceae
- Plasmaviridae
- Plasmobatidae
- Plasmodiophoraceae
- Platanaceae
- Platanistidae
- Plataspidae
- Platasteriidae
- Plateremaeidae
- Platidiidae
- Platyameridae
- Platyarthridae
- Platycephalidae
- Platycnemididae
- Platycopiidae
- Platydesmidae
- Platydorididae
- Platygastridae
- Platygloeaceae
- Platyischnopidae
- Platylepadidae
- Platyophryidae
- Platypezidae
- Platyrhacidae
- Platyscelidae
- Platysteiridae
- Platystictidae
- Platystomatidae
- Platytroctidae
- Platyxanthidae
- Plecoglossidae
- Plectidae
- Plectonemertidae
- Plectosphaerellaceae
- Plectreuridae
- Plectrogeniidae
- Plectrotarsidae
- Plehniidae
- Pleidae
- Pleioplanidae
- Pleistophoridae
- Pleocomidae
- Pleomassariaceae
- Pleorchiidae
- Pleosporaceae
- Pleromidae
- Plesiobatidae
- Plesiopidae
- Plethodontidae
- Pleurastraceae
- Pleurobrachiidae
- Pleurobranchidae
- Pleuroceridae
- Pleurochloridaceae
- Pleurochloridellaceae
- Pleurocopidae
- Pleurodiscidae
- Pleurogenidae
- Pleuronectidae
- Pleuronematidae
- Pleurophascaceae
- Pleuroplitidae
- Pleurosigmataceae
- Pleurostomataceae
- Pleurostomellidae
- Pleurotaceae
- Pleurotomariidae
- Pleuroziaceae
- Pleuroziopsaceae
- Pleustidae
- Plexauridae
- Plexechinidae
- Plicatulidae
- Pliciloricidae
- Plocamiaceae
- Ploceidae
- Plocospermataceae
- Plotosidae
- Plumatellidae
- Plumbaginaceae
- Plumulariidae
- Plurellidae
- Pluteaceae
- Plutellidae
- Pluvianellidae
- Pneumocystidaceae
- Pneumodermatidae
- Pneumoridae
- Poaceae
- Pocilloporidae
- Podapolipidae
- Podargidae
- Podasconidae
- Podicipedidae
- Podocarpaceae
- Podoceridae
- Podocnemididae
- Podolampaceae
- Podonidae
- Podophryidae
- Podopterotegaeidae
- Podosphaerasteridae
- Podospongiidae
- Podostemaceae
- Podoviridae
- Poduridae
- Poecilasmatidae
- Poeciliidae
- Poecilochaetidae
- Poeobiidae
- Polemoniaceae
- Pollicipedidae
- Polyacanthorhynchidae
- Polyangiaceae
- Polyaspidae
- Polybiidae
- Polyblepharidaceae
- Polybrachiorhynchidae
- Polycanthiidae
- Polycentridae
- Polycentropodidae
- Polyceridae
- Polychelidae
- Polychrotidae
- Polycitoridae
- Polyclinidae
- Polycopidae
- Polyctenidae
- Polycystidae
- Polycystididae
- Polydesmidae
- Polydnaviridae
- Polygalaceae
- Polygonaceae
- Polygordiidae
- Polygyridae
- Polyidaceae
- Polykrikaceae
- Polymastiidae
- Polymitarcyidae
- Polymixiidae
- Polymorphidae
- Polymorphinidae
- Polynemidae
- Polynoidae
- Polyodontidae
- Polyomaviridae
- Polyorchidae
- Polypauropodidae
- Polyphemidae
- Polyphysaceae
- Polyplacidae
- Polypodiaceae
- Polyporaceae
- Polyposthiidae
- Polyprionidae
- Polypteridae
- Polypterozetidae
- Polystoechotidae
- Polystomatidae
- Polystomellaceae
- Polystyliphoridae
- Polythoridae
- Polytrichaceae
- Polyxenidae
- Polyzoniidae
- Pomacanthidae
- Pomacentridae
- Pomatiopsidae
- Pomatomidae
- Pomatostomidae
- Pomphorhynchidae
- Pompilidae
- Ponderellidae
- Pontarachnidae
- Pontederiaceae
- Pontellidae
- Pontismataceae
- Pontocyprididae
- Pontodoridae
- Pontoeciellidae
- Pontoporeiidae
- Poraniidae
- Porcellanasteridae
- Porcellanidae
- Porcellidiidae
- Porcellionidae
- Porellaceae
- Porinaceae
- Poritidae
- Porocephalidae
- Porocharaceae
- Poromyidae
- Porosporidae
- Porphyridiaceae
- Porphyromonadaceae
- Porpidiaceae
- Porpitidae
- Portulacaceae
- Portunidae
- Posidoniaceae
- Pospiviroidae
- Potamanthidae
- Potamidae
- Potamididae
- Potamogetonaceae
- Potamolepidae
- Potamonautidae
- Potamotrygonidae
- Potoroidae
- Pottiaceae
- Pottsiellidae
- Potyviridae
- Poupiniidae
- Pourtalesiidae
- Poxviridae
- Praeichneumonidae
- Prasiolaceae
- Pratylenchidae
- Prayidae
- Preactiidae
- Prenasteridae
- Prevotellaceae
- Priacanthidae
- Priapulidae
- Primnoidae
- Primulaceae
- Prionodontaceae
- Prionoglarididae
- Prismatolaimidae
- Prisopodidae
- Pristidae
- Pristigasteridae
- Pristiglomidae
- Pristiophoridae
- Proalidae
- Problognathiidae
- Proboscidactylidae
- Procabacteriaceae
- Procampodeidae
- Procarididae
- Procaviidae
- Procellariidae
- Procerodidae
- Processidae
- Prochaetodermatidae
- Prochilodontidae
- Prochloraceae
- Prochlorotrichaceae
- Proctotrupidae
- Procyonidae
- Prodidomidae
- Prodiscophyridae
- Prodoxidae
- Profundulidae
- Progeryonidae
- Progynotaeniidae
- Proheliolitidae
- Proichthydiidae
- Projapygidae
- Prokoeneniidae
- Prolagidae
- Promachoteuthidae
- Promicromonosporaceae
- Proneomeniidae
- Pronocephalidae
- Pronoctilucaceae
- Pronoidae
- Propalticidae
- Propappidae
- Propeamussidae
- Propeamussiidae
- Prophalangopsidae
- Propionibacteriaceae
- Proporidae
- Prorhynchidae
- Prorocentraceae
- Prorodontidae
- Proschkiniaceae
- Proscinidae
- Proscopiidae
- Proscylliidae
- Prosogonotrematidae
- Prosorhochmidae
- Prosthiostomidae
- Prosthogonimidae
- Prostomidae
- Protanguillidae
- Protaspidaceae
- Proteaceae
- Proteidae
- Protellidae
- Protentomidae
- Protiaridae
- Protocruziidae
- Protodinifera
- Protodrilidae
- Protodriloididae
- Protogastraceae
- Protognathiidae
- Protohydridae
- Protojaniridae
- Protomicrocotylidae
- Protomonotresidae
- Protomycetaceae
- Protoneuridae
- Protopelagonemertidae
- Protoperidiniaceae
- Protoplophoridae
- Protopolyclinidae
- Protopteridae
- Protoptilidae
- Protoribatidae
- Protoschizomidae
- Protoscyphaceae
- Protosiphonaceae
- Protospathidiidae
- Protosquillidae
- Protosteliaceae
- Protostrongylidae
- Protothelenellaceae
- Prototheoridae
- Prototrachelocercidae
- Protrodiplostomatidae
- Protrudomycetaceae
- Protziidae
- Provorticidae
- Prunellidae
- Prymnesiaceae
- Psalidopodidae
- Psammettidae
- Psamminidae
- Psammobiidae
- Psammocyclopinidae
- Psammocytheridae
- Psammodiscaceae
- Psammodrilidae
- Psammorhynchidae
- Psathyrellaceae
- Psechridae
- Pselliodidae
- Psephenidae
- Psettodidae
- Pseudaliidae
- Pseudanabaenaceae
- Pseudanthessiidae
- Pseudaphritidae
- Pseudarchasteridae
- Pseudeurotiaceae
- Pseudidmoneidae
- Pseudidotheidae
- Pseudironidae
- Pseudoalteromonadaceae
- Pseudoanemoniaceae
- Pseudocaeciliidae
- Pseudocarchariidae
- Pseudoceratinidae
- Pseudoceritidae
- Pseudochactidae
- Pseudocharaciopsidaceae
- Pseudocheiridae
- Pseudochiridiidae
- Pseudochlamydonellidae
- Pseudochloridaceae
- Pseudochordaceae
- Pseudochromidae
- Pseudococcidae
- Pseudococculinidae
- Pseudocodiaceae
- Pseudocohnilembidae
- Pseudocrangonyctidae
- Pseudocumatidae
- Pseudocyclopidae
- Pseudocyclopiidae
- Pseudocycnidae
- Pseudodendromonadaceae
- Pseudodiaptomidae
- Pseudodifflugiidae
- Pseudodistomidae
- Pseudoditrichaceae
- Pseudogarypidae
- Pseudogorgiidae
- Pseudoholophryidae
- Pseudohydryphantidae
- Pseudojaniridae
- Pseudokeronopsidae
- Pseudolepicoleaceae
- Pseudolestidae
- Pseudolividae
- Pseudomelatomidae
- Pseudomicrothoracidae
- Pseudomonadaceae
- Pseudomugilidae
- Pseudonannolenidae
- Pseudonemasomatidae
- Pseudonocardiaceae
- Pseudoperisporiaceae
- Pseudophasmatidae
- Pseudopimelodidae
- Pseudoppiidae
- Pseudorhombilidae
- Pseudosphaeritaceae
- Pseudospirobolellidae
- Pseudosquillidae
- Pseudostigmatidae
- Pseudostomidae
- Pseudotachidiidae
- Pseudotanaidae
- Pseudothelphusidae
- Pseudotrachelocercidae
- Pseudotriakidae
- Pseudotrichonotidae
- Pseudoudoteaceae
- Pseudourostylidae
- Pseudovalsaceae
- Pseudovermidae
- Pseudoviridae
- Pseudozeuxidae
- Pseudoziidae
- Psilidae
- Psilorhynchidae
- Psilosiphonaceae
- Psilostomatidae
- Psilotaceae
- Psilotrichidae
- Psittacidae
- Psocidae
- Psolidae
- Psophiidae
- Psoquillidae
- Psoraceae
- Psorergatidae
- Psoroptidae
- Psychidae
- Psychocidaridae
- Psychodidae
- Psychomyiidae
- Psychopsidae
- Psychrolutidae
- Psychromonadaceae
- Psychropotidae
- Psychroteuthidae
- Psyllidae
- Psyllipsocidae
- Pterastericolidae
- Pterasteridae
- Ptereleotridae
- Pteridaceae
- Pterigynandraceae
- Pteriidae
- Pterinotrematidae
- Pterobatidae
- Pterobryaceae
- Pterochthoniidae
- Pterocladiophilaceae
- Pteroclididae
- Pterocoryidae
- Pterognathiidae
- Pterokrohniidae
- Pterolichidae
- Pterolonchidae
- Pteromalidae
- Pteronarcyidae
- Pterophoridae
- Pteropodidae
- Pterosagittidae
- Pterospermataceae
- Pterosphaeridiaceae
- Pterotracheidae
- Pterulaceae
- Pterygorhabditidae
- Pterygosomatidae
- Pthiridae
- Ptilichthyidae
- Ptilidiaceae
- Ptiliidae
- Ptilocercidae
- Ptilocodiidae
- Ptilodactylidae
- Ptilodictyidae
- Ptilogonatidae
- Ptilonorhynchidae
- Ptinidae
- Ptychadenidae
- Ptychocylidae
- Ptychocylididae
- Ptychodactiidae
- Ptychoderidae
- Ptychogastriidae
- Ptychogonimidae
- Ptychomitriaceae
- Ptychomniaceae
- Ptychopteridae
- Pucciniaceae
- Pucciniastraceae
- Pucciniosiraceae
- Pudeoniscidae
- Pulicidae
- Pulsellidae
- Pulvinitidae
- Punciidae
- Punctidae
- Punctoribatidae
- Punicaceae
- Pupillidae
- Pupinidae
- Pustuloporidae
- Putranjivaceae
- Pycnoclavellidae
- Pycnococcaceae
- Pycnogonidae
- Pycnonotidae
- Pycnophyidae
- Pycnopodiidae
- Pyemotidae
- Pygiopsyllidae
- Pygmaeosomatidae
- Pygmephoridae
- Pygopodidae
- Pylaiellaceae
- Pylochelidae
- Pyloniidae
- Pyragraphoridae
- Pyralidae
- Pyramidellidae
- Pyramimonadaceae
- Pyrenomonadaceae
- Pyrenothricaceae
- Pyrenothrichaceae
- Pyrenulaceae
- Pyrgacrididae
- Pyrgodesmidae
- Pyrgomatidae
- Pyrgomorphidae
- Pyrgotidae
- Pyrochroidae
- Pyrocystaceae
- Pyrodictiaceae
- Pyroglyphidae
- Pyrolaceae
- Pyronemataceae
- Pyrophacaceae
- Pyrosomatidae
- Pyrostephidae
- Pyroteuthidae
- Pyrrhocoridae
- Pythiaceae
- Pythidae
- Pythiogetonaceae
- Pyuridae
- Pyxicephalidae
- Pyxidiophoraceae
- Pyxillaceae
- Quadrigyridae
- Quadroppiidae
- Quambalariaceae
- Qudsianematidae
- Questidae
- Rachycentridae
- Racopilaceae
- Radiasteridae
- Radiicephalidae
- Radiococcaceae
- Radiomycetaceae
- Radiophryidae
- Radulaceae
- Rafflesiaceae
- Rajidae
- Rakiroidae
- Ralfimartitidae
- Ralfsiaceae
- Rallidae
- Rallidentidae
- Ramalinaceae
- Ramphastidae
- Randiellidae
- Ranellidae
- Rangomaramidae
- Ranidae
- Raninidae
- Ranixalidae
- Ranunculaceae
- Rapateaceae
- Raphidae
- Raphidiidae
- Raphidiophyidae
- Rapismatidae
- Rarobacteraceae
- Raspailiidae
- Rastodentidae
- Rastrognathiidae
- Rataniidae
- Ratemiidae
- Rathkeidae
- Rathouisiidae
- Raveneliaceae
- Raymondionymidae
- Rectarcturidae
- Reduviidae
- Regalecidae
- Regmatodontaceae
- Regulidae
- Reichenowellidae
- Reighardiidae
- Remizidae
- Renaudarctidae
- Renicolidae
- Renillidae
- Reoviridae
- Requienellaceae
- Resedaceae
- Restionaceae
- Reticulowoodruffiidae
- Retropinnidae
- Retroplumidae
- Retroviridae
- Retusidae
- Rhabderemiidae
- Rhabdiasidae
- Rhabdidae
- Rhabditidae
- Rhabdochiridae
- Rhabdodemaniidae
- Rhabdolaimidae
- Rhabdomesidae
- Rhabdonemataceae
- Rhabdophryidae
- Rhabdopleuridae
- Rhabdosphaeraceae
- Rhabdouraeidae
- Rhabdoviridae
- Rhabdoweisiaceae
- Rhachitheciaceae
- Rhachodesmidae
- Rhacophoridae
- Rhadinorhynchidae
- Rhagidiidae
- Rhagionidae
- Rhagodidae
- Rhagophthalmidae
- Rhamnaceae
- Rhamphichthyidae
- Rhamphocottidae
- Rhamphosporaceae
- Rhaphidophoridae
- Rhaphoneidaceae
- Rheidae
- Rhigonematidae
- Rhinatrematidae
- Rhincalanidae
- Rhincodontidae
- Rhineuridae
- Rhinidictyidae
- Rhiniidae
- Rhinobatidae
- Rhinocerotidae
- Rhinochimaeridae
- Rhinocricidae
- Rhinocryptidae
- Rhinolophidae
- Rhinonyssidae
- Rhinophoridae
- Rhinophrynidae
- Rhinopomatidae
- Rhinoporidae
- Rhinotermitidae
- Rhipiceridae
- Rhipidiaceae
- Rhipiduridae
- Rhipiphoridae
- Rhipogonaceae
- Rhiscosomididae
- Rhizangiidae
- Rhizaspidaceae
- Rhizidiomycetaceae
- Rhizinaceae
- Rhizobiaceae
- Rhizocarpaceae
- Rhizochloridaceae
- Rhizochromulinaceae
- Rhizogoniaceae
- Rhizogranulochloridaceae
- Rhizophoraceae
- Rhizophydiaceae
- Rhizophyllidaceae
- Rhizophysidae
- Rhizoplacopsidaceae
- Rhizopogonaceae
- Rhizosoleniaceae
- Rhizostomatidae
- Rhizothricidae
- Rhizounochloridaceae
- Rhodacaridae
- Rhodaliidae
- Rhodobacteraceae
- Rhodobiaceae
- Rhodochaetaceae
- Rhodocyclaceae
- Rhodogorgonaceae
- Rhodomelaceae
- Rhodophysemataceae
- Rhodopidae
- Rhodospirillaceae
- Rhodothamniellaceae
- Rhodymeniaceae
- Rhoicospheniaceae
- Rhopalidae
- Rhopaliidae
- Rhopalodiaceae
- Rhopalodinidae
- Rhopaloiulidae
- Rhopalomeniidae
- Rhopalonematidae
- Rhopalopsyllidae
- Rhopalosomatidae
- Rhopaluridae
- Rhyacichthyidae
- Rhyacophilidae
- Rhyacotritonidae
- Rhynchitidae
- Rhynchocinetidae
- Rhynchodemidae
- Rhynchogastremataceae
- Rhynchokarlingiidae
- Rhynchomolgidae
- Rhynchopodaceae
- Rhynchoribatidae
- Rhynchothoracidae
- Rhynochetidae
- Rhyparochromidae
- Rhyscotidae
- Rhysiidae
- Rhysodidae
- Rhytididae
- Rhytidodidae
- Rhytismataceae
- Ricaniidae
- Ricciaceae
- Richardiidae
- Richtersiidae
- Ricinoididae
- Rickettsiaceae
- Ricordiidae
- Ridgewayiidae
- Riellaceae
- Rigidothrichidae
- Rikenellaceae
- Ringiculidae
- Riodinidae
- Ripipterygidae
- Riseriellidae
- Rissoellaceae
- Rissoellidae
- Rissoidae
- Ritterellidae
- Rivulariaceae
- Rivulidae
- Robertdollfusidae
- Robertiidae
- Robertinidae
- Roccellaceae
- Rocellaceae
- Roesleriaceae
- Roeslerstammiidae
- Romaleidae
- Rondeletiidae
- Roniviridae
- Ropalomeridae
- Ropalosporaceae
- Rosaceae
- Rosalindidae
- Rossellidae
- Rossianidae
- Rostangidae
- Rostratulidae
- Rotaliidae
- Rotoitidae
- Rotulidae
- Rozellopsidaceae
- Rubiaceae
- Rubrobacteraceae
- Rudiviridae
- Rugogastridae
- Runcinidae
- Ruppiaceae
- Russulaceae
- Rutaceae
- Rutelidae
- Rutenbergiaceae
- Rutidermatidae
- Rutilariaceae
- Rutstroemiaceae
- Rzehakinidae
- Sabellariidae
- Sabellidae
- Sabelliphilidae
- Sabiaceae
- Saccamminidae
- Saccardiaceae
- Saccharomycetaceae
- Saccharomycodaceae
- Saccharomycopsidaceae
- Saccharospirillaceae
- Saccoblastiaceae
- Saccocirridae
- Saccopharyngidae
- Sacculinidae
- Sagartiidae
- Sagartiomorphidae
- Sagdidae
- Sagittariidae
- Sagittariidae
- Sagittidae
- Sagittiferidae
- Saipanettidae
- Salamandridae
- Salangidae
- Saldidae
- Saleniidae
- Salicaceae
- Salifidae
- Salilagenidiaceae
- Salinisphaeraceae
- Salmonidae
- Salpidae
- Salpingidae
- Salpingoecaceae
- Salticidae
- Salviniaceae
- Samaridae
- Samidae
- Sandeothallaceae
- Sanguibacteraceae
- Sanguinicolidae
- Santalaceae
- Santiidae
- Sapayoaidae
- Sapindaceae
- Sapotaceae
- Sapphirinidae
- Saprolegniaceae
- Saprospiraceae
- Sarcinochrysidaceae
- Sarcodiaceae
- Sarcomeniaceae
- Sarcophagidae
- Sarcoptidae
- Sarcoscyphaceae
- Sarcosomataceae
- Sargassaceae
- Sarraceniaceae
- Sarrameanaceae
- Sarsiellidae
- Saturniidae
- Saururaceae
- Savangiidae
- Saxifragaceae
- Saxipendiidae
- Sayciidae
- Scalibregmatidae
- Scalopidiidae
- Scalpellidae
- Scapaniaceae
- Scaphidiodontidae
- Scaphiopodidae
- Scaptrellidae
- Scarabaeidae
- Scaridae
- Scaridiidae
- Scathophagidae
- Scatophagidae
- Scatopsidae
- Scelionidae
- Scenedesmaceae
- Scenopinidae
- Schaereriaceae
- Scheloribatidae
- Schendylidae
- Scheuchzeriaceae
- Schilbeidae
- Schindleriidae
- Schisandraceae
- Schistochilaceae
- Schistosomatidae
- Schistostegaceae
- Schizaeaceae
- Schizasteridae
- Schizochitonidae
- Schizochoeridae
- Schizocladiaceae
- Schizocytheridae
- Schizodactylidae
- Schizogoniaceae
- Schizomeridaceae
- Schizoparmaceae
- Schizopathidae
- Schizopetalidae
- Schizophyllaceae
- Schizopodidae
- Schizoporaceae
- Schizopteridae
- Schizorhynchidae
- Schizosaccharomycetaceae
- Schizothyriaceae
- Schizotrichaceae
- Schizymeniaceae
- Schoebliidae
- Schreckensteiniidae
- Sciadopityaceae
- Sciaenidae
- Sciaridae
- Scincidae
- Scinidae
- Sciomyzidae
- Scirtidae
- Scissurellidae
- Sciuridae
- Scleritodermidae
- Sclerodactylidae
- Sclerodermataceae
- Sclerodistomidae
- Sclerogastraceae
- Sclerogibbidae
- Scleropactidae
- Scleroptilidae
- Sclerotiniaceae
- Scolecitrichidae
- Scoliciosporaceae
- Scoliidae
- Scolioneidaceae
- Scoliotropidaceae
- Scolopacidae
- Scolopendrellidae
- Scolopendridae
- Scoloplacidae
- Scolopocryptopidae
- Scomberesocidae
- Scombridae
- Scombrolabracidae
- Scombropidae
- Scopelarchidae
- Scopelocheiridae
- Scophthalmidae
- Scopidae
- Scopuridae
- Scoresbyellaceae
- Scorpaenidae
- Scortechiniaceae
- Scraptiidae
- Scrophulariaceae
- Scutacaridae
- Scutelleridae
- Scutellidae
- Scutigerellidae
- Scutigeridae
- Scutigerinidae
- Scutoverticidae
- Scydmaenidae
- Scyliorhinidae
- Scyllaeidae
- Scyllaridae
- Scyphacidae
- Scyphidiidae
- Scytalinidae
- Scythrididae
- Scytodidae
- Scytonemataceae
- Scytopetalaceae
- Scytosiphonaceae
- Scytothamnaceae
- Sebacinaceae
- Sebastidae
- Sebdeniaceae
- Sebekidae
- Sebidae
- Segestriidae
- Segniliparaceae
- Seguenziidae
- Seirococcaceae
- Seisonidae
- Sejidae
- Selachinematidae
- Selaginellaceae
- Selenopidae
- Selenoribatidae
- Seligeriaceae
- Sellaphoraceae
- Sematophyllaceae
- Sematuridae
- Semelidae
- Semicosciniidae
- Semnoderidae
- Senoculidae
- Sepiadariidae
- Sepiidae
- Sepiolidae
- Sepsidae
- Septobasidiaceae
- Sequiviridae
- Sergestidae
- Sericostomatidae
- Serolidae
- Serpotortellaceae
- Serpulaceae
- Serpulidae
- Serpulidicolidae
- Serpulinaceae
- Serranidae
- Serrivomeridae
- Sertulariidae
- Sesarmidae
- Sesiidae
- Setarchidae
- Setchellanthaceae
- Seuratiaceae
- Shewanellaceae
- Shiinoidae
- Sialidae
- Siboganemertidae
- Siboglinidae
- Sibyllidae
- Sicariidae
- Sicuophoridae
- Sicyoniidae
- Sideractiidae
- Siderastreidae
- Sididae
- Sigalionidae
- Siganidae
- Sigmoideomycetaceae
- Signiphoridae
- Siliculidae
- Siliquariidae
- Sillaginidae
- Silphidae
- Siluaniaceae
- Siluridae
- Silvanidae
- Simaethistidae
- Simaroubaceae
- Simkaniaceae
- Simmondsiaceae
- Simrothiellidae
- Simuliidae
- Sinentomidae
- Sinocallipodidae
- Sinuolineidae
- Siphlaenigmatidae
- Siphlonuridae
- Siphonariidae
- Siphonidiidae
- Siphoninidae
- Siphoniulidae
- Siphonocladaceae
- Siphonocryptidae
- Siphonolaimidae
- Siphonophoridae
- Siphonorhinidae
- Siphonotidae
- Siphoviridae
- Sipunculidae
- Sirenidae
- Siricidae
- Sirobasidiaceae
- Sirolpidiaceae
- Sirosiphoniaceae
- Sisoridae
- Sisyridae
- Siteroptidae
- Sittidae
- Skeletonemaceae
- Skeneidae
- Skeneopsidae
- Skrjabingylidae
- Smarididae
- Smeagolidae
- Smicripidae
- Smilacaceae
- Sminthuridae
- Sminthurididae
- Solanaceae
- Solanderiidae
- Solasteridae
- Solecurtidae
- Soleidae
- Solemyidae
- Soleneiscidae
- Solenidae
- Solenoceridae
- Solenodontidae
- Solenofilomorphidae
- Solenoporaceae
- Solenostomataceae
- Solenostomidae
- Solmarisidae
- Solpugidae
- Somabrachyidae
- Somatiidae
- Somniosidae
- Sonneratiaceae
- Sonoraphlyctidaceae
- Sooglossidae
- Sorapillaceae
- Sordariaceae
- Soricidae
- Soritidae
- Sorochytriaceae
- Sorogenidae
- Sotoplacidae
- Spadellidae
- Sparassidaceae
- Sparassidae
- Sparganophilidae
- Sparidae
- Spatangidae
- Spathidiidae
- Spathiporidae
- Spathulosporaceae
- Spelaeoniscidae
- Speleonectidae
- Spengelidae
- Speophilosomatidae
- Spercheidae
- Sperchonidae
- Sperchontidae
- Sphacelariaceae
- Sphaeriodesmidae
- Sphaeritidae
- Sphaeriusidae
- Sphaerobacteraceae
- Sphaerocarpaceae
- Sphaeroceridae
- Sphaerochthoniidae
- Sphaerococcaceae
- Sphaerocorynidae
- Sphaerodoridae
- Sphaeroidinidae
- Sphaerolaimidae
- Sphaeromapseudidae
- Sphaeromatidae
- Sphaeromyxidae
- Sphaeronectidae
- Sphaeropauropodidae
- Sphaerophoraceae
- Sphaeropleaceae
- Sphaeropoeidae
- Sphaeropsocidae
- Sphaerotheriidae
- Sphaerulariidae
- Sphagnaceae
- Sphecidae
- Spheniopsidae
- Spheniscidae
- Sphenocleaceae
- Sphenodontidae
- Sphenophryidae
- Sphenopidae
- Sphinctrinaceae
- Sphindidae
- Sphingidae
- Sphingobacteriaceae
- Sphingomonadaceae
- Sphondylomoraceae
- Sphyraenidae
- Sphyranuridae
- Sphyrapidae
- Sphyrapodidae
- Sphyriidae
- Sphyrnidae
- Spinocalanidae
- Spinothecidae
- Spinozetidae
- Spintheridae
- Spionidae
- Spiophanicolidae
- Spirasigmidae
- Spirastrellidae
- Spiraxidae
- Spiridentaceae
- Spirillaceae
- Spirillinidae
- Spirobolellidae
- Spirobolidae
- Spirocercidae
- Spirochaetaceae
- Spirochonidae
- Spirofilidae
- Spiromonadaceae
- Spiroplasmataceae
- Spirorchiidae
- Spirostomidae
- Spirostreptidae
- Spirozonidae
- Spirulidae
- Spiruridae
- Spizellomycetaceae
- Splachnaceae
- Splachnidiaceae
- Splachnobryaceae
- Splanchnotrophidae
- Spondylidae
- Spondylomoraceae
- Spongicolidae
- Spongiidae
- Spongillidae
- Spongiphoridae
- Spongodiscidae
- Sporichthyaceae
- Sporidiobolaceae
- Sporochnaceae
- Sporolactobacillaceae
- Sporolithaceae
- Sporormiaceae
- Sportellidae
- Squalidae
- Squatinidae
- Squillidae
- Stachyptilidae
- Stackhousiaceae
- Stangeriaceae
- Stannomidae
- Staphyleaceae
- Staphylinidae
- Staphylococcaceae
- Staurobatidae
- Stauroneidaceae
- Stauroteuthidae
- Steatornithidae
- Steganodermatidae
- Stegocephalidae
- Stegostomatidae
- Steinernematidae
- Stellatocharaceae
- Stemmiulidae
- Stemonaceae
- Stemonitidaceae
- Stenasellidae
- Stenetriidae
- Stenocephalidae
- Stenochilidae
- Stenoniscidae
- Stenopelmatidae
- Stenopodidae
- Stenopsocidae
- Stenopsychidae
- Stenostomidae
- Stenothoidae
- Stenotrachelidae
- Stenotritidae
- Stentoridae
- Stephanellidae
- Stephanoberycidae
- Stephanocircidae
- Stephanodiscaceae
- Stephanopyxidaceae
- Stephanosporaceae
- Stephidae
- Stercorariidae
- Sterculiaceae
- Stereaceae
- Stereocaulaceae
- Stereophyllaceae
- Sternaspidae
- Sternophoridae
- Sternoppiidae
- Sternoptychidae
- Sternopygidae
- Stethopiliidae
- Stichaeidae
- Stichasteridae
- Stichocotylidae
- Stichodactylidae
- Stichogloeaceae
- Stichopodidae
- Stictidaceae
- Stictococcidae
- Stictocyclaceae
- Stictodiscaceae
- Stictoporellidae
- Stigmaeidae
- Stigmaphronidae
- Stigmatoechidae
- Stigonemataceae
- Stiliferidae
- Stiligeridae
- Stilipedidae
- Stiphidiidae
- Stipitococcaceae
- Stivaliidae
- Stokesiidae
- Stomatellidae
- Stomatoporidae
- Stomiidae
- Stomolophidae
- Stomopneustidae
- Stomozoidae
- Stomylotrematidae
- Strabomantidae
- Strahlaxiidae
- Stratiomyidae
- Strelitziaceae
- Streptaxidae
- Streptocephalidae
- Streptococcaceae
- Streptomycetaceae
- Streptosporangiaceae
- Striariidae
- Striatellaceae
- Strictispiridae
- Strigeidae
- Strigidae
- Strigulaceae
- Strobilidiidae
- Strobilopsidae
- Stromateidae
- Strombidae
- Strombidiidae
- Strombidinopsidae
- Strongylidae
- Strongylidiidae
- Strongylocentrotidae
- Strongyloididae
- Strophariaceae
- Strophomeniidae
- Struthiolariidae
- Struthionidae
- Sturnidae
- Styelidae
- Stygarctidae
- Stygiomysidae
- Stygocarididae
- Stygotoniidae
- Stylasteridae
- Stylephoridae
- Stylochidae
- Stylococcaceae
- Stylocometidae
- Stylocordylidae
- Stylodactylidae
- Stylodesmidae
- Stylonemataceae
- Styloniscidae
- Stylopathidae
- Styloperlidae
- Stylopidae
- Stypocaulaceae
- Styracaceae
- Subergorgiidae
- Suberitidae
- Subulinidae
- Succineidae
- Succinivibrionaceae
- Suctobelbidae
- Suessiaceae
- Sugiuridae
- Suidae
- Suidasiidae
- Suillaceae
- Sulcanidae
- Sulfolobaceae
- Sulidae
- Sultanophryidae
- Sundasalangidae
- Surianaceae
- Surirellaceae
- Swedmarkiidae
- Syarinidae
- Sycanthidae
- Sycettidae
- Sycidiaceae
- Sydowiellaceae
- Syllidae
- Sylviidae
- Symbiidae
- Symbioribatidae
- Symmocidae
- Symphysanodontidae
- Symphytognathidae
- Symplocaceae
- Symplocostomatidae
- Synagogidae
- Synallactidae
- Synanceiidae
- Synaphobranchidae
- Synaphridae
- Synaptidae
- Synaxidae
- Synbranchidae
- Syncephalastraceae
- Synchaetidae
- Synchroidae
- Synchytriaceae
- Syncoeliidae
- Syncyclonemidae
- Syndiniaceae
- Synechococcaceae
- Syngamidae
- Syngnathidae
- Synhymeniidae
- Synichotritiidae
- Synlestidae
- Synodontidae
- Synopiidae
- Synotaxidae
- Syntheciidae
- Synthemistidae
- Synthetonychidae
- Syntrophaceae
- Syntrophobacteraceae
- Syntrophomonadaceae
- Synuraceae
- Synxenidae
- Syracosphaeraceae
- Syringamminidae
- Syringodermataceae
- Syringogastridae
- Syrphidae
- Syrphonematidae
- Tabanidae
- Tabellariaceae
- Tachidiidae
- Tachinidae
- Tachiniscidae
- Tachyglossidae
- Taeniacanthidae
- Taeniidae
- Taeniopterygidae
- Taiaroidae
- Tainisopidae
- Taiwanasteridae
- Talitridae
- Talpidae
- Tamaricaceae
- Tamoyidae
- Tampiyidae
- Tanaellidae
- Tanaidae
- Tanaissuidae
- Tanaoceridae
- Tanaochelidae
- Tanaostigmatidae
- Tanyderidae
- Tanymastigiidae
- Tanypezidae
- Tanypleuridae
- Tanzanapseudidae
- Tanzaniophasmatidae
- Taphrinaceae
- Tapinellaceae
- Tapiridae
- Tarachodidae
- Targioniaceae
- Tarsiidae
- Tarsipedidae
- Tarsocheylidae
- Tarsonemidae
- Tasimiidae
- Taurididae
- Taxaceae
- Tayassuidae
- Teclaiidae
- Tecophilaeaceae
- Tecticipitidae
- Tectiviridae
- Tectocepheidae
- Tectohymenidae
- Tedaniidae
- Tegastidae
- Tegeocranellidae
- Tegoribatidae
- Teiidae
- Teissieridae
- Telegeusidae
- Telemidae
- Tellinidae
- Telmatherinidae
- Telorchiidae
- Teloschistaceae
- Telsidae
- Telsonemasomatidae
- Temnocephalidae
- Temnopleuridae
- Temoridae
- Tendosphaeridae
- Tenebrionidae
- Tengellidae
- Tenrecidae
- Tentaculariidae
- Tenthredinidae
- Tenuialidae
- Tenuipalpidae
- Tenuisentidae
- Tephritidae
- Tephromelataceae
- Terapontidae
- Teratembiidae
- Teratocephalidae
- Teratomyzidae
- Teratoppiidae
- Teratosphaeriaceae
- Terebellidae
- Terebrataliidae
- Terebratellidae
- Terebratulidae
- Terebridae
- Terebriporidae
- Teredinidae
- Tergipedidae
- Termitaphididae
- Termitidae
- Termitotrogidae
- Termopsidae
- Terramycetaceae
- Terviidae
- Tesnusocarididae
- Tessaratomidae
- Tesseranthidae
- Testacellidae
- Testudinaceae
- Testudinellidae
- Testudinidae
- Tethydidae
- Tethyidae
- Tethyrhynchiidae
- Tetillidae
- Tetrabaenaceae
- Tetrablemmidae
- Tetrabothriidae
- Tetrabrachiidae
- Tetracampidae
- Tetraclitidae
- Tetracondylidae
- Tetracystaceae
- Tetragnathidae
- Tetragonicipitidae
- Tetragonidiaceae
- Tetragoniomycetaceae
- Tetragonuridae
- Tetrahymenidae
- Tetraliidae
- Tetramitaceae
- Tetranychidae
- Tetraodontidae
- Tetraonchidae
- Tetraphidaceae
- Tetraplatidae
- Tetraplosphaeriaceae
- Tetrarogidae
- Tetrasiphonidae
- Tetrasporaceae
- Tetrasquillidae
- Tetrastemmatidae
- Tetrasteridae
- Tetratomidae
- Tetraviridae
- Tetrigidae
- Tettigometridae
- Tettigoniidae
- Teutoniidae
- Textulariidae
- Thalassianthidae
- Thalassinidae
- Thalassionemataceae
- Thalassiophysaceae
- Thalassiphoraceae
- Thalassocalycidae
- Thalassocynidae
- Thalassometridae
- Thalestridae
- Thallassiosiraceae
- Thallochrysidaceae
- Thambematidae
- Thamnobryaceae
- Thamnocephalidae
- Thamnomolgidae
- Thamnophilidae
- Thapariellidae
- Tharybidae
- Thaumaleidae
- Thaumastigaceae
- Thaumastochelidae
- Thaumastocoridae
- Thaumastodermatidae
- Thaumatichthyidae
- Thaumatocyprididae
- Thaumatopsyllidae
- Thaumatosiidae
- Theaceae
- Thecadiniaceae
- Thecamoebidae
- Thecideidae
- Thecidellinidae
- Thelastomatidae
- Thelaziidae
- Thelebolaceae
- Thelenellaceae
- Thelephoraceae
- Theliaceae
- Thelocarpaceae
- Thelohaniidae
- Thelotremataceae
- Thelyphonidae
- Thelypteridaceae
- Themistidae
- Theonellidae
- Theoperidae
- Theophrastaceae
- Theraphosidae
- Therevidae
- Thericleidae
- Theridiidae
- Theridiosomatidae
- Thermacaridae
- Thermaceae
- Thermithiobacillaceae
- Thermoactinomycetaceae
- Thermoanaerobacteriaceae
- Thermoascaceae
- Thermococcaceae
- Thermodesulfobacteriaceae
- Thermodesulfobiaceae
- Thermofilaceae
- Thermomicrobiaceae
- Thermomonosporaceae
- Thermoplasmataceae
- Thermoproteaceae
- Thermosbaenidae
- Thermotogaceae
- Thermozodiidae
- Thespidae
- Thiaridae
- Thigmophryidae
- Thiidae
- Thinocoridae
- Thiotrichaceae
- Thliptodontidae
- Tholoniidae
- Thomassiniidae
- Thomisidae
- Thompsoniidae
- Thompsonulidae
- Thoosidae
- Thoracostomopsidae
- Thoreaceae
- Thorectidae
- Thraciidae
- Thraupidae
- Thraustochytriaceae
- Threskiornithidae
- Thripidae
- Thrombidae
- Throscidae
- Thryonomyidae
- Thuidiaceae
- Thurniaceae
- Thyasidae
- Thyasiridae
- Thylacinidae
- Thylacomyidae
- Thymelaeaceae
- Thyreocoridae
- Thyridiaceae
- Thyrididae
- Thyrisomidae
- Thyropteridae
- Thyroscyphidae
- Thysanophoridae
- Thysanoteuthidae
- Tiarannidae
- Tiaropsidae
- Tichocarpaceae
- Ticodendraceae
- Tiliaceae
- Tilletiaceae
- Tilletiariaceae
- Tilopteridaceae
- Timeidae
- Timematidae
- Timmiaceae
- Tinamidae
- Tineidae
- Tineodidae
- Tingidae
- Tingupidae
- Tintinnidae
- Tiphiidae
- Tipulidae
- Tisbidae
- Tischeriidae
- Titaniidae
- Titanoecidae
- Titiscaniidae
- Tjalfiellidae
- Todidae
- Tofieldiaceae
- Togaviridae
- Togniniaceae
- Tokophryidae
- Tokunocepheidae
- Tombusviridae
- Tomoceridae
- Tomopteridae
- Tonnidae
- Tontoniidae
- Tornidae
- Torpedinidae
- Torquatoridae
- Torrenticolidae
- Tortanidae
- Tortricidae
- Torymidae
- Totiviridae
- Tovariaceae
- Toxariaceae
- Toxocaridae
- Toxoderidae
- Toxopneustidae
- Toxotidae
- Tracheliidae
- Trachelipodidae
- Trachelocercidae
- Trachelophyllidae
- Trachelostylidae
- Trachichthyidae
- Trachinidae
- Trachipteridae
- Trachycladidae
- Trachygonidae
- Trachyleberididae
- Trachypachidae
- Trachyphylliidae
- Trachypleurosidae
- Trachypodaceae
- Tragulidae
- Trapaceae
- Trapeliaceae
- Trapezidae
- Trapeziidae
- Trappeaceae
- Trebiidae
- Trechaleidae
- Trefusiidae
- Trematoporidae
- Tremellaceae
- Tremoctopodidae
- Trentepholiaceae
- Tretocycloeciidae
- Tretodictyidae
- Treubiaceae
- Trhypochthoniidae
- Triacanthidae
- Triacanthodidae
- Triadiniaceae
- Triaenonychidae
- Triaenophoridae
- Triakidae
- Triblidiaceae
- Tribonemataceae
- Triceratiaceae
- Trichechidae
- Trichiaceae
- Trichinellidae
- Trichiuridae
- Trichoblaniulidae
- Trichobranchidae
- Trichocercidae
- Trichoceridae
- Trichocoleaceae
- Trichocomaceae
- Trichodactylidae
- Trichodectidae
- Trichodinidae
- Trichodontidae
- Trichodoridae
- Trichogrammatidae
- Trichogypsiidae
- Tricholomataceae
- Trichomonadaceae
- Trichomonascaceae
- Trichomycteridae
- Trichoniscidae
- Trichonotidae
- Trichopeltariidae
- Trichopetalidae
- Trichophryidae
- Trichoplacidae
- Trichopolydesmidae
- Trichopsocidae
- Trichosphaeriaceae
- Trichospiridae
- Trichosporonaceae
- Trichostrongylidae
- Trichotemnomataceae
- Trichotriidae
- Trichuridae
- Trichydridae
- Tricoliidae
- Tricorythidae
- Tricyclusidae
- Tridactylidae
- Tridenchthoniidae
- Tridentellidae
- Tridontomidae
- Triforidae
- Triglidae
- Trigoniulidae
- Trigonocidaridae
- Trigonopterygidae
- Trihymenidae
- Triloculariidae
- Trimastigaceae
- Trimusculidae
- Trimyemidae
- Triodontidae
- Triodontolaimidae
- Trionychidae
- Triophidae
- Triopsidae
- Triozidae
- Triparmaceae
- Triphoridae
- Tripterygiidae
- Tripylidae
- Tripyloididae
- Trissocyclidae
- Tristiridae
- Triticellidae
- Tritoniidae
- Triuridaceae
- Triviidae
- Trizetidae
- Trochaclididae
- Trochamminidae
- Trochanteriidae
- Trochidae
- Trochilidae
- Trochiliidae
- Trochiliopsidae
- Trochiliscaceae
- Trochochaetidae
- Trochomorphidae
- Trochosiraceae
- Trochosphaeridae
- Trogidae
- Trogiidae
- Troglodytidae
- Troglotrematidae
- Trogonidae
- Trogossitidae
- Trombiculidae
- Tropaeolaceae
- Tropidophiidae
- Tropiduchidae
- Tropiduridae
- Tropiometridae
- Trueperaceae
- Truncatellidae
- Tryonicidae
- Trypanochloridaceae
- Trypanosomataceae
- Trypetesidae
- Trypetheliaceae
- Tsukamurellaceae
- Tuberaceae
- Tubeufiaceae
- Tubiclavoididae
- Tubiferaceae
- Tubificidae
- Tubiporidae
- Tubulanidae
- Tubulariidae
- Tubulicrinaceae
- Tubuliporidae
- Tubulozetidae
- Tubuluchidae
- Tuccidae
- Tuckerellidae
- Tulasnellaceae
- Tullbergiidae
- Tulumellidae
- Tumerozetidae
- Tungidae
- Tupaiidae
- Tuparezetidae
- Turaniellidae
- Turanoniscidae
- Turbanellidae
- Turbinellidae
- Turbinidae
- Turbinoliidae
- Turbinoptidae
- Turdidae
- Turicibacteraceae
- Turneraceae
- Turnicidae
- Turridae
- Turrilinidae
- Turritellidae
- Turtoniidae
- Tydeidae
- Tylenchidae
- Tylencholaimellidae
- Tylencholaimidae
- Tylenchulidae
- Tylidae
- Tylodinidae
- Tymoviridae
- Typhaceae
- Typhidae
- Typhlobolellidae
- Typhlopidae
- Typhloplanidae
- Typhloscolecidae
- Typhlotanaidae
- Typhulaceae
- Tyrannidae
- Tytonidae
- Ucididae
- Udonellidae
- Udoteaceae
- Uenoidae
- Uleiellaceae
- Ulidiidae
- Ulmaceae
- Ulmaridae
- Uloboridae
- Ulotrichaceae
- Ulvaceae
- Ulvellaceae
- Umagillidae
- Umbellulidae
- Umbelopsidaceae
- Umbilicariaceae
- Umbraculidae
- Umbridae
- Uncinariidae
- Uncinateridae
- Uncispionidae
- Uncolaceae
- Unduloribatidae
- Ungulinidae
- Unionicolidae
- Unionidae
- Uniporidae
- Upogebiidae
- Upupidae
- Uraniidae
- Uranoscopidae
- Urceolariidae
- Urechidae
- Urechinidae
- Uristidae
- Urnulidae
- Urocentridae
- Urochordeumatidae
- Urocopiidae
- Urocoptidae
- Urocystidaceae
- Urodidae
- Urolophidae
- Uronematidae
- Uronychiidae
- Uropeltidae
- Uropodidae
- Uropyxidaceae
- Urostylidae
- Urothoidae
- Urotrematidae
- Urotrichidae
- Urotrygonidae
- Urozonatidae
- Ursidae
- Urticaceae
- Usconophryidae
- Ustilaginaceae
- Ustilentylomataceae
- Uteriporidae
- Uvigerinidae
- Vaalogonopodidae
- Vacuolariaceae
- Vaginicolidae
- Vahliellaceae
- Vahlkampfidae
- Valenciidae
- Valenciniidae
- Valerianaceae
- Valeseguyidae
- Valettidae
- Vallacertaceae
- Valloniidae
- Valoniaceae
- Valsaceae
- Valvatidae
- Valvulinidae
- Vampyrellidae
- Vampyroteuthidae
- Vandeleumatidae
- Vaneyellidae
- Vangidae
- Vanhorniidae
- Vanikoridae
- Varanidae
- Varroidae
- Varunidae
- Vaucheriaceae
- Veliferidae
- Veliidae
- Velloziaceae
- Velutinidae
- Veneridae
- Venturiaceae
- Verbenaceae
- Veretillidae
- Verhoeffiidae
- Vermectiadidae
- Vermetidae
- Vermileonidae
- Vermipsyllidae
- Veronicellidae
- Verrucariaceae
- Verrucidae
- Verrucomicrobiaceae
- Verticillitidae
- Verticordiidae
- Vesicomyidae
- Vesiculariidae
- Vespertilionidae
- Vespidae
- Vetaformataceae
- Vetulinidae
- Vezdaeaceae
- Vialaeaceae
- Vibiliidae
- Vibrionaceae
- Vibrisseaceae
- Victivallaceae
- Victorellidae
- Viduidae
- Violaceae
- Viperidae
- Vireonidae
- Virgulariidae
- Viridivelleraceae
- Viscaceae
- Vitaceae
- Vitjazianidae
- Vitreledonellidae
- Vitrinellidae
- Vitrinidae
- Vittariaceae
- Viverridae
- Viviparidae
- Vizellaceae
- Volutidae
- Volutomitridae
- Volvatellidae
- Volvocaceae
- Volvocisporiaceae
- Vombatidae
- Vorticellidae
- Vultocinidae
- Waddliaceae
- Walkeriidae
- Wallemiaceae
- Walvisteuthidae
- Wardiaceae
- Warnowiaceae
- Websdaneaceae
- Welwitschiaceae
- Wemersoniellidae
- Whalleyanidae
- Whiteleggiidae
- Wiesnerellaceae
- Williamsiaceae
- Winteraceae
- Winterschmidtiidae
- Withiidae
- Witrockiellaceae
- Woloszynskiaceae
- Woodruffiidae
- Wurdemanniaceae
- Xanthidae
- Xanthomonadaceae
- Xanthonemataceae
- Xanthonychidae
- Xanthopyreniaceae
- Xanthorrhoeaceae
- Xantusiidae
- Xenarcturidae
- Xenasmataceae
- Xenasteiidae
- Xenidae
- Xeniidae
- Xenillidae
- Xeninae
- Xenisthmidae
- Xennellidae
- Xenococcaceae
- Xenocoelomatidae
- Xenodasyidae
- Xenograpsidae
- Xenopeltidae
- Xenophoridae
- Xenophthalmidae
- Xenosauridae
- Xenosellidae
- Xenotrichulidae
- Xenoturbellidae
- Xeronemataceae
- Xestoleberididae
- Xiphiidae
- Xiphinematobacteriaceae
- Xiphiopsyllidae
- Xiphocentronidae
- Xiphydriidae
- Xironodrilidae
- Xyelidae
- Xylariaceae
- Xylodisculidae
- Xylomyidae
- Xylophagidae
- Xyridaceae
- Xyronotidae
- Xystodesmidae
- Yndolaciidae
- Yoldiidae
- Yponomeutidae
- Ypsilothuriidae
- Ypsolophidae
- Zamiaceae
- Zancleidae
- Zancleopsidae
- Zanclidae
- Zannichelliaceae
- Zapfellidae
- Zaproridae
- Zeidae
- Zeilleriidae
- Zelandothyadidae
- Zelinkaderidae
- Zenionidae
- Zenometridae
- Zephroniidae
- Zephyrinidae
- Zerotulidae
- Zetomotrichidae
- Zetorchestidae
- Zingiberaceae
- Zoanthidae
- Zoarcidae
- Zodariidae
- Zonitidae
- Zoogonidae
- Zoopagaceae
- Zoothamniidae
- Zopfiaceae
- Zopheridae
- Zoridae
- Zoroasteridae
- Zorocratidae
- Zoropsidae
- Zorotypidae
- Zosteraceae
- Zosteractiidae
- Zosteropidae
- Zygaenidae
- Zygnemataceae
- Zygophyllaceae
- Zygosphaeracea