Viruses

Animal Viruses

Adenoviridae
Arenaviridae
Baculoviridae
Birnaviridae
Bunyaviridae (animal host only)
Caliciviridae
Coronaviridae
Filoviridae
Flaviviridae
Giardiavirus
Hepadnaviridae
Herpesviridae
Iridoviridae
Nodaviridae
Orthomyxoviridae
Papovaviridae
Paramyxoviridae
Parvoviridae
Picornaviridae
Polydnaviridae
Poxviridae
Reoviridae (animal host only)
Retroviridae
Rhabdoviridae (animal host only)
Tetraviridae
Togaviridae
Torovirus

Bacterial Viruses

Corticoviridae
Cystoviridae
Inoviridae
Leviviridae
Lipothrixviridae
Microviridae
Myoviridae
Plasmaviridae
Podoviridae
Siphoviridae
SSV1-type Phages
Tectiviridae

Plant Viruses

Alfalfa Mosaic Virus Group
Bromovirus
Bunyaviridae (plant host only)
Capillovirus
Carlavirus
Carmovirus
Caulimovirus
Closterovirus
Commelina Yellow Mottle Virus Group
Comovirus
Cryptovirus
Cucumovirus
Dianthovirus
Fabavirus
Furovirus
Geminivirus
Hordeivirus
Ilarvirus
Luteovirus
Maize Chlorotic Dwarf Virus Group
Marafivirus
Necrovirus
Nepovirus
Parsnip Yellow Fleck Virus Group
Partitiviridae
Pea Enation Mosaic Virus Group
Phycodnaviridae
Potexvirus
Potyvirus
Reoviridae (plant host only)
Rhabdoviridae (plant host only)
Rhizidiovirus
Satellites
Sobemovirus
Tenuivirus
Tobamovirus
Tobravirus
Tombusvirus
Totiviridae
Tymovirus
Viroids

Bacteria

Eubacteria

Cardiobacteriaceae
Spirochetes

Spirochaetales

Leptospiraceae
Spirochaetaceae

Aerobic Helical or Vibrioid Gram-Negatives
Mostly Nonmotile Curved Gram-Negatives

Spirosomaceae

Gram-Negative Aerobic Rods and Cocci

Acetobacteraceae
Alcaligenaceae
Azotobacteraceae
Halomonadaceae
Legionellaceae
Methylococcaceae
Neisseriaceae
Pseudomonadaceae
Rhizobiaceae

Facultatively Anaerobic Gram-Negative Rods

Aeromonadaceae
Enterobacteriaceae
Pasteurellaceae
Vibrionaceae

Dissimilatory Sulfate or Sulfur Reducers
Anaerobic Gram-Negative Rods

Bacteroidaceae
Haloanaerobiaceae

Anaerobic Gram-Negative Cocci

Veillonellaceae

Rickettsias and Chlamydias

Rickettsiales

Anaplasmataceae
Bartonellaceae
Rickettsiaceae

Chlamydiales

Chlamydiaceae

Mycoplasmas
Mycoplasmatales

Acholeplasmataceae
Mycoplasmataceae
Spiroplasmataceae

Anaeroplasmatales

Anaeroplasmataceae

Endosymbionts
Gram-Positive Cocci

Deinococcaceae
Micrococcaceae

Endospore-forming Gram-Positives
Regular Nonsporing Gram-Positive Rods
Anoxygenic Phototrophic Bacteria

Purple Bacteria

Chromatiaceae
Ectothiorhodospiraceae
Purple Nonsulfur Bacteria

Green Bacteria

Green Sulfur Bacteria
Multicellular Filamentous Green Bacteria

Aerobic Chemolithotrophs and Similar Bacteria

Nitrifying Bacteria

Nitrobacteraceae

Colorless Sulfur Bacteria
Chemolithotrophic Hydrogen Bacteria
Iron and Manganese Oxidizers and Depositors

Siderocapsaceae

Magnetotactic Bacteria

Budding and Appendaged Bacteria

Prosthecate Bacteria
Nonprosthecate Bacteria

Planctomycetaceae

Sheathed Bacteria
Nonfruiting Gliding Bacteria

Pelonemataceae
Simonsiellaceae
Cytophagales

Cytophagaceae

Lysobacterales

Lysobacteraceae

Beggiatoales

Beggiatoaceae

Fruiting Gliding Bacteria - The Myxobacteria

Myxococcales

Archangiaceae
Cystobacteraceae
Myxococcaceae
Polyangiaceae

Actinomycetes and Related Organisms

Nocardioform Actinomycetes

Nocardioidaceae
Pseudonocardiaceae

Actinomycetes with Multilocular Sporangia
Actinoplanetes
Streptomycetes and Related Genera
Maduromycetes

Streptosporangiaceae

Thermomonospora and Related Genera
Thermoactinomycetes
Mycobacteria

Mycobacteriaceae

Irregular Nonsporing Gram-Positive Rods

Oxygenic Photosynthetic Bacteria

Cyanobacteria

Chroococcales
Pleurocapsales
Oscillatoriales
Nostocales

Nostocaceae
Rivulariaceae
Scytonemataceae
Stigonematales

Prochlorales

Prochloraceae
Prochlorotrichaceae

Archaeobacteria

Methanogenic Archaeobacteria

Methanocorpusculaceae
Methanoplanaceae
Methanobacteriales

Methanobacteriaceae
Methanothermaceae

Methanococcales

Methanococcaceae

Methanomicrobiales

Methanomicrobiaceae
Methanosarcinaceae

Archaeobacterial Sulfate Reducers

Archaeoglobales

Archaeoglobaceae

Extremely Halophilic Archaeobacteria

Halobacteriales

Halobacteriaceae

Cell Wall-less Archaeobacteria
Extremely Thermophilic Sulfur-Metabolizers

Thermococcales

Thermococcaceae

Thermoproteales

Desulfurococcaceae
Thermoproteaceae

Sulfolobales

Sulfolobaceae

Algae

Charophyta
Chlorophyta
Chrysophyta
Cryptophyta
Euglenophyta
Phaeophyta
Pyrrophyta
Rhodophyta

Fungi

Ascomycetes
Basidiomycetes
Fungi Imperfecti or Deuteromycetes
Myxophyta
Phycomycetes

Protozoa

Ciliata
Cnidosporidea
Flagellata
Sarcodina
Sporozoa
Suctoria

Plantae

Cryptogamae
Algae

Charophyta
Chlorophyta
Chrysophyta
Cryptophyta
Euglenophyta
Phaeophyta
Pyrrophyta
Rhodophyta

Fungi

Ascomycetes
Basidiomycetes
Fungi Imperfecti or Deuteromycetes
Myxophyta
Phycomycetes

Lichenes
Embryophyta
Bryophyta

Anthocerotae
Hepaticae
Musci
Sphagnobrya

Tracheophyta
Pteridophyta

Articulatae
Filices
Lycopsida
Psilophytopsida
Psilotopsida

Spermatophyta

Gymnospermae

Chlamydospermae
Coniferopsida
Cycadopsida
Taxopsida

Angiospermae

Monocotyledones

Agavaceae
Alismataceae
Amaryllidaceae
Aponogetonaceae
Araceae
Bromeliaceae
Burmanniaceae
Butomaceae
Cannaceae
Centrolepidaceae
Commelinaceae
Corsiaceae
Cyanastraceae
Cyclanthaceae
Cyperaceae
Dioscoreaceae
Eriocaulaceae
Flagellariaceae
Geosiridaceae
Gramineae
Haemodoraceae
Hydrocharitaceae
Hypoxidaceae
Iridaceae
Juncaceae
Juncaginaceae
Lemnaceae
Liliaceae
Lowiaceae
Marantaceae
Mayacaceae
Musaceae
Najadaceae
Orchidaceae
Palmae
Pandanaceae
Philydraceae
Pontederiaceae
Potamogetonaceae
Rapateaceae
Restionaceae
Scheuchzeriaceae
Sparganiaceae
Stemonaceae
Taccaceae
Thurniaceae
Triuridaceae
Typhaceae
Velloziaceae
Xanthorrhoeaceae
Xyridaceae
Zannichelliaceae
Zingiberaceae

Dicotyledones

Acanthaceae
Aceraceae
Achariaceae
Achatocarpaceae
Actinidiaceae
Adoxaceae
Aextoxicaceae
Aizoaceae
Akaniaceae
Alangiaceae
Amaranthaceae
Amborellaceae
Anacardiaceae
Ancistrocladaceae
Annonaceae
Apocynaceae
Aquifoliaceae
Araliacea
Aristolochiaceae
Asclepiadaceae
Austrobaileyaceae
Balanopaceae
Balanophoraceae
Balsaminaceae
Basellaceae
Bataceae
Begoniaceae
Berberidaceae
Betulaceae
Bignoniaceae
Bixaceae
Bombacaceae
Boraginaceae
Bretschneideraceae
Brunelliaceae
Bruniaceae
Brunoniaceae
Buddlejaceae
Burseraceae
Buxaceae
Byblidaceae
Cactaceae
Callitrichaceae
Calycanthaceae
Calyceraceae
Campanulaceae
Canellaceae
Cannabidaceae
Capparaceae
Caprifoliaceae
Cardiopteridaceae
Caricaceae
Caryocaraceae
Caryophyllaceae
Casuarinaceae
Celastraceae
Cephalotaceae
Ceratophyllaceae
Cercidiphyllaceae
Chenopodiaceae
Chloranthaceae
Chrysobalanaceae
Cistaceae
Clethraceae
Cneoraceae
Cochlospermaceae
Columelliaceae
Combretaceae
Compositae
Connaraceae
Convolvulaceae
Coriariaceae
Cornaceae
Corynocarpaceae
Crassulaceae
Crossosomataceae
Cruciferae
Crypteroniaceae
Cucurbitaceae
Cunoniaceae
Cynomoriaceae
Cyrillaceae
Daphniphyllaceae
Datiscaceae
Davidiaceae
Davidsoniaceae
Degeneriaceae
Desfontainiaceae
Dialypetalanthaceae
Diapensiaceae
Dichapetalaceae
Didiereaceae
Didymelaceae
Dilleniaceae
Dioncophyllaceae
Dipentodontaceae
Dipsacaceae
Dipterocarpaceae
Droseraceae
Duckeodendraceae
Dysphaniaceae
Ebenaceae
Elaeagnaceae
Elaeocarpaceae
Elatinaceae
Empetraceae
Epacridaceae
Ericaceae
Erythroxylaceae
Eucommiaceae
Eucryphiaceae
Euphorbiaceae
Eupomatiaceae
Eupteleaceae
Fagaceae
Flacourtiaceae
Fouquieriaceae
Frankeniaceae
Fumariaceae
Garryaceae
Geissolomataceae
Gentianaceae
Geraniaceae
Gesneriaceae
Globulariaceae
Gomortegaceae
Goodeniaceae
Grubbiaceae
Guttiferae
Gyrostemonaceae
Haloragaceae
Hamamelidaceae
Henriqueziaceae
Hernandiaceae
Himantandraceae
Hippocastanaceae
Hippocrateaceae
Hippuridaceae
Hoplestigmataceae
Hydnoraceae
Hydrophyllaceae
Hydrostachyaceae
Icacinaceae
Illiciaceae
Juglandaceae
Julianiaceae
Krameriaceae
Labiatae
Lactoridaceae
Lardizabalaceae
Lauraceae
Lecythidaceae
Leeaceae
Leguminosae
Leitneriaceae
Lennoaceae
Lentibulariaceae
Limnanthaceae
Linaceae
Lissocarpaceae
Loasaceae
Loganiaceae
Loranthaceae
Lythraceae
Magnoliaceae
Malesherbiaceae
Malpighiaceae
Malvaceae
Marcgraviaceae
Martyniaceae
Medusagynaceae
Medusandraceae
Melastomataceae
Meliaceae
Melianthaceae
Menispermaceae
Menyanthaceae
Misodendraceae
Molluginaceae
Monimiaceae
Moraceae
Moringaceae
Myoporaceae
Myricaceae
Myristicaceae
Myrothamnaceae
Myrsinaceae
Myrtaceae
Nepenthaceae
Neuradaceae
Nolanaceae
Nyctaginaceae
Nymphaeaceae
Nyssaceae
Ochnaceae
Olacaceae
Oleaceae
Oliniaceae
Onagraceae
Opiliaceae
Orobanchaceae
Oxalidaceae
Paeoniaceae
Pandaceae
Papaveraceae
Passifloraceae
Pedaliaceae
Penaeaceae
Pentaphragmataceae
Pentaphylacaceae
Peridiscaceae
Phrymaceae
Phytolaccaceae
Picrodendraceae
Piperaceae
Pittosporaceae
Plantaginaceae
Platanaceae
Plumbaginaceae
Podostemaceae
Polemoniaceae
Polygalaceae
Polygonaceae
Portulacaceae
Primulaceae
Proteaceae
Punicaceae
Pyrolaceae
Quiinaceae
Rafflesiaceae
Ranunculaceae
Resedaceae
Rhamnaceae
Rhizophoraceae
Rhoipteleaceae
Roridulaceae
Rosaceae
Rubiaceae
Rutaceae
Sabiaceae
Salicaceae
Salvadoraceae
Santalaceae
Sapindaceae
Sapotaceae
Sarcolaenaceae
Sarcospermataceae
Sargentodoxaceae
Sarraceniaceae
Saururaceae
Saxifragaceae
Schisandraceae
Scrophulariaceae
Scyphostegiaceae
Scytopetalaceae
Simaroubaceae
Solanaceae
Sonneratiaceae
Sphaerosepalaceae
Sphenocleaceae
Stachyuraceae
Stackhousiaceae
Staphyleaceae
Sterculiaceae
Strasburgeriaceae
Stylidiaceae
Styracaceae
Symplocaceae
Tamaricaceae
Tetracentraceae
Theaceae
Theligonaceae
Theophrastaceae
Thymelaeaceae
Tiliaceae
Tovariaceae
Trapaceae
Tremandraceae
Trigoniaceae
Trimeniaceae
Trochodendraceae
Tropaeolaceae
Turneraceae
Ulmaceae
Umbelliferae
Urticaceae
Valerianaceae
Verbenaceae
Violaceae
Vitaceae
Vochysiaceae
Winteraceae
Zygophyllaceae

Animalia

Invertebrata

Protozoa

Ciliata
Cnidosporidea
Flagellata
Sarcodina
Sporozoa
Suctoria

Metazoa
Mesozoa
Porifera
Cnidaria
Ctenophora
Helminthes

Platyhelminthes

Cestoda
Trematoda
Turbellaria

Aschelminthes

Gastrotricha
Kinorhyncha
Nematoda
Nematomorpha
Priapuloidea
Rotifera

Rhynchocoela
Acanthocephala
Entoprocta
Phoronidea
Ectoprocta
Brachiopoda
Mollusca

Cephalopoda
Gastropoda
Loricata
Monoplacophora
Pelecypoda
Scaphopoda
Solenogastres

Sipunculoidea
Annelida

Archiannelida
Hirudinea
Myzostoma
Oligochaeta
Polychaeta

Echiuroidea
Linguatulida
Tardigrada
Onychophora
Arthropoda

Crustacea

Branchiopoda
Branchiura
Cephalocarida
Cirripedia
Copepoda
Malacostraca
Mystacocarida
Ostracoda

Myriapoda

Chilopoda
Diplopoda
Pauropoda
Symphyla

Insecta

Anoplura
Coleoptera
Collembola
Corrodentia
Dermaptera
Diplura
Diptera
Embioptera
Ephemeroptera
Hemiptera
Heteroptera
Homoptera
Hymenoptera
Isoptera
Lepidoptera
Mallophaga
Mecoptera
Neuroptera
Odonata
Orthoptera
Plecoptera
Protura
Siphonaptera
Strepsiptera
Thysanoptera
Thysanura
Trichoptera

Chelicerata

Arachnida
Acarina
Merostomata
Pycnogonida

Chaetognatha
Hemichordata
Pogonophora
Echinodermata

Asteroidea
Crinoidea
Echinoidea
Holothuroidea
Ophiuroidea

Protochordata

Cephalochordata
Urochordata

Chordata

Protochordata

Cephalochordata
Urochordata

Vertebrata

Pisces

Agnatha
Chondrichthyes
Osteichthyes
Placodermi

Amphibia

Apoda
Caudata
Salientia

Reptilia

Chelonia
Crocodilia
Rhynchocephalia
Sauria
Serpentes

Aves

Aepyornithiformes
Anseriformes
Apodiformes
Apterygiformes
Archaeopterygiformes
Caenagnathiformes
Caprimulgiformes
Casuariiformes
Charadriiformes
Ciconiiformes
Coliiformes
Columbiformes
Coraciiformes
Cuculiformes
Diatrymiformes
Dinornithiformes
Falconiformes
Galliformes
Gaviiformes
Gruiformes
Hesperornithiformes
Ichthyornithiformes
Musophagiformes
Passeriformes
Pelecaniformes
Piciformes
Podicipediformes
Procellariiformes
Psittaciformes
Rheiformes
Sphenisciformes
Strigiformes
Struthioniformes
Tinamiformes
Trogoniformes

Mammalia

Artiodactyla

Antilocapridae
Bovidae
Camelidae
Cervidae
Giraffidae
Hippopotamidae
Suidae
Tayassuidae
Tragulidae

Astrapotheria
Carnivora

Canidae
Felidae
Hyaenidae
Mustelidae
Procyonidae
Ursidae
Viverridae

Cetacea

Balaenidae
Balaenopteridae
Delphinidae
Eschrichtidae
Monodontidae
Physeteridae
Platanistidae
Ziphiidae

Chiroptera

Desmodontidae
Emballonuridae
Furipteridae
Hipposideridae
Megadermatidae
Molossidae
Mystacinidae
Myzopodidae
Natalidae
Noctilionidae
Nycteridae
Phyllostomatidae
Pteropodidae
Rhinolophidae
Rhinopomatidae
Thyropteridae
Vespertilionidae

Condylarthra
Dermoptera

Cynocephalidae

Dinocerata
Edentata

Bradypodidae
Dasypodidae
Myrmecophagidae

Embrithopoda
Hyracoidea

Procaviidae

Insectivora

Chrysochloridae
Erinaceidae
Macroscelididae
Potamogalidae
Solenodontidae
Soricidae
Talpidae
Trecidae

Lagomorpha

Leporidae
Ochotonidae

Litopterna
Marsupialia

Caenolestidae
Dasyuridae
Didelphidae
Macropodidae
Myrmecobiidae
Notoryctidae
Peramelidae
Phalangeridae
Phascolomidae

Monotremata

Ornithorhynchidae
Tachyglossidae

Multituberculata
Notoungulata
Pantodonta
Pantotheria
Perissodactyla

Equidae
Rhinocerotidae
Tapiridae

Pholidota

Manidae

Pinnipedia

Odobenidae
Otariidae
Phocidae

Primates

Callithricidae
Cebidae
Cercopithecidae
Daubentoniidae
Hominidae
Indridae
Lemuridae
Lorisidae
Pongidae
Tarsiidae
Tupaiidae

Proboscidea

Elephantidae

Pyrotheria
Rodentia

Abrocomidae
Anomaluridae
Aplodontiidae
Bathyergidae
Capromyidae
Castoridae
Caviidae
Chinchillidae
Cricetidae
Ctenodactylidae
Ctenomyidae
Dasyproctidae
Dinomyidae
Dipodidae
Echimyidae
Erethizontidae
Geomyidae
Gliridae
Heteromyidae
Hydrochoeridae
Hystricidae
Muridae
Octodontidae
Pedetidae
Petromyidae
Platacanthomyidae
Rhizomyidae
Sciuridae
Seleviniidae
Spalacidae
Thryonomyidae
Zapodidae

Sirenia

Dugongidae
Trichechidae

Symmetrodonta
Taeniodonta
Tillodontia
Triconodonta
Tubulidentata

Orycteropodidae