Sarcomastigophora
Genus list:
[A]
Acanthamoeba, Acanthometron, Acanthosphaera, Acinetactis, Actinastrum, Actinelius, Actinolophus, Actinomonas, Adelphamoeba, Adriamonas, Aletium, Allantion, Allas, Alphamonas, Amastigomonas, Amoeba (Syn. Amiba, Chaos, Proteus, Vibrio, Volvox), Amphidinium, Amphimonas, Ancyromonas, Anehmia, Anemonia, Anisonema, Anthophysis (Syn. Anthophysa), Anthopleura, Apicoporus, Apusomonas, Arachnula, Artodiscus, Ascoglena, Astasia, Asterocaelum, Astramoeba, Astrolophus, Astrosiga, Atlanticellodinium, Aulomonas, Aurigamonas
[B]
Balamuthia, Belaria, Belonocystis, Bicoeca, Bicosoeca, Bikosoeca (Syn. Bicoeca), Biomyxa (Syn. Gymnophrys), Branchipocola, Bodo (Syn. Prowazekia), Bodomorpha, Bodopsis, Bordnamonas
[C]
Cachonina, Caecitellus, Caecomyces, Cafeteria, Calycomonas, Campanoeca, Carpediemonas, Carteria, Cashia, Cavostelium, Cephalothamnion, Cephalothamnium, Ceratium, Ceratocorys, Ceratodinium, Cercobodo, Cercomonas, Chaos (Syn. Amoeba), Chilodinium, Chilomastix, Chilomonas, Chlamydomonas, Chlamydomyxa, Chromatium, Chromulina, Chrysamoeba, Chrysapsis, Chrysarachnion, Chrysidella, Chrysidiastrum, Chrysocapsa, Chrysococcus, Chrysodendron, Chrysopyxis, Chrysosphaerella, Chytriodinium, Cichkovia, Cinetidomyxa, Cladomonas, Cladonema, Clathrella, Clautriavia, Coccidinium, Cochlodinium, Codonobotrys, Codonocaladium, Codonocladium (See; Codosiga), Codonodendron, Codonoeca, Codonomonas, Codonosiga, Codonosigopsis, Codosiga (Syn. Astrosiga, Codonocladium), Colacium, Collodictyon, Colponema, Corallomyxa, Cruzella, Cryothecomonas, Cryptaulax, Crypthecodinium, Cryptobia, Cryptochrysis, Cryptoglena, Cryptomonas, Cyathomonas, Cyclidiopsis, Cyclomonas, Cyclonexis, Cyrtophora, Cystodinedria, Cystodinium
[D]
Dactylospherium, Dallingeria, Dendromonas, Derepyxis, Dermamoeba, Desmarella, Diaphanoeca, Dictyomyxa, Dictyosphaerium, Dictyostelium, Dimastigamoeba, Dimastigella, Dinamoeba, Dinema, Dingensia, Dinoasteromonas, Dinobryon, Dinomonas, Dinophys (Marine species), Diplocalium, Diploeca, Diplomita, Diplopsalis, Diploselmis, Diplosiga (Syn. Codonosigopsis), Diplosigopsis, Diplotheca, Discocelis, Distigma, Distigmopsis, Dobellina, Dolium, Duboscquella, Dunaliella
[E]
Echinamoeba, Eickenia, Endalimax, Endodinium, Entamoeba (Syn. Poneramoeba), Enteromyxa, Entomosigma, Entosiphon, Epipyxis, Errera, Erythropsidinium, Eudorina, Euglena, Euglenocapsa, Euglenopsis, Eutreptia (Syn. Eutreptiella), Eutreptiella (Syn. Gymnastica), Exuviaella
[F]
Flabellula, Flamella, Fromentella, Furcilla
[G]
Gambierdiscus, Gephyramoeba, Glaeseria, Glenodinium (Syn. Glenodiniopsis, Stasziecella, Woloszynska), Gloidium, Goniodoma, Gonyaulax, Gonyostomum (Syn. Rhaphidomonas), Gringa, Gymnodinium, Gymnophrydium, Gymnophrys, Gyrodinium, Gyromitus, Gyromonas, Gyropaigne
[H]
Haplozoon, Hartmannella, Hartmannina, Helgolandinium, Helikotropis, Heliobodo, Helkesimastix, Hemidinium, Hemimastix, Hemiselmis, Hemistasia, Heteramoeba, Heterochromonas, Heterochromulina, Heterogromia, Heteromita, Heteronema, Heterosigma, Hexamitus, Histiona, Hyaliella, Hyalobryon, Hyalodaktylethra, Hyalodiscus, Hyalogonium, Hyalophacus, Hydramoeba, Hydrurus, Hymenomonas, Hyperamoeba
[I]
Iodamoeba, Isonema
[J]
Jakoba, Janickin, Jenningsia
[K]
Kamera, Katablepharis, Kathablepharis, Katodinium, Kephyrion, Khawkinea, Kibisidytes, Kiitoksia, Klebsiella, Korotnevella
[L]
Labyrinthula, Lagenoeca, Lentomonas, Lepocinclis (Syn. Crumenula), Leptomyxa, Leptophrys, Leucodictyon, Leukarachnion, Lingulamoeba, Lithocolla
[M]
Macappella, Macromastix, Mallomonas (Syn. Pseudomallomonas), Malpighiella, Marsupiogaster, Martineziella, Massartia, Massisteria, Mastigamoeba (Syn. Mastigina), Mastigella, Mastigina, Mayorella, Megamoebomyxa, Menoidium, Metamoeba, Metachaos, Metopion, Metromonas, Microcometes, Microglena, Micromonas, Monadodendron, Monas (Syn. Physomonas), Monochrysis, Monomorphina, Monosiga, Multicilia, Myxochrysis, Myxodictyum, Myxodinium
[N]
Naegleria, Nematodinium, Neobodo, Neoparamoeba, Nephrochloris, Nephroselmis, Notosolenus
[O]
Ochromonas, Oikomonas (= Oicomonas), Ovalopodium, Oxyrrhis
[P]
Pachysoeca, Palatinella, Pandorina, Parabodo, Parachaos, Paramastix, Paramoeba (Marine species), Paramonas, Paraphysomonas, Paratetramitus, Parmidium, Paulinella, Pelomyxa, Peltomonas, Penardia, Pentamonas, Peranema, Percolomonas, Peridiniopsis, Peridinium, Pesonella, Petalomonas, Pfiesteria, Phacus, Phaeosphaera, Phalansterium, Phanerobia, Phloxamoeba, Phreatamoeba, Phyllomitus, Phyllomonas, Physomonas, Phytodinium, Placocista, Planoprotostelium, Platyamoeba, Platychrysella, Platytheca, Plectodinium, Pleuromonas, Pleurophrys, Pleurostomum, Ploeotia, Podactinelius, Podostoma, Polychaos, Polykrikos, Polylepidomonas, Polytoma, Polytomella, Pontomyxa, Porochrysis, Postgaardi, Poteriochromonas, Poteriodendron, Proleptomonas, Prorocentrum, Prosoaulax, Protacanthamoeba, Protamoeba, Protaspis, Proterospongia (= Protospongia), Protochrysis, Protogenes, Protogonyaulax, Protomonas, Protoperidinium, Protospongia, Psalteriomonas, Pseudobodo, Pseudochromulina, Pseudokephyrion, Pseudoparamoeba (Marine species), Pseudospora, Pseudovahlkampfia, Pteridomonas, Pyramidochrysis, Pyramimonas, Pyrocystis
[Q]
Quadricilia
[R]
Raphidiophrysopsis, Reclinomonas, Reticulamoeba, Reticulomyxa, Rhabdomonas, Rhaphidomonas, Rhipidodendron, Rhizamoeba, Rhizaspis, Rhizochrysis, Rhizomonas, Rhizoplasm, Rhodomonas, Rhynchomonas (Syn. Cruzella), Rigidomastix, Ripella, Rostromonas, Rugipes
[S]
Saccamoeba, Sainouron, Salpingoeca, Salpingorhiza, Saltonella, Sappinia, Schewiakoffia, Schizoplasmodiopsis, Schizopyrenus, Sciviamonas, Scrippsiella, Scytomonas, Serpenomonas, Servetia, Siderodendron, Singhamoeba, Solenodinium, Sphaeripara, Sphaerodinium, Sphaeroeca, Sphaleromantis, Sphenomonas, Spiniferomonas, Spiromonas, Spironema, Spongomonas, Spumella, Stachyamoeba, Stelexomonas, Stenocodon, Stephanocodon, Stephanomonas, Stephanopogon, Sterromonas, Stigmamoeba, Stokesiella, Streptomonas, Strombomonas, Stygamoeba, Stylamoeba, Stylobryon, Stylochrysalis, Stylodinium, Stylopyxis, Symbiodinium, Synamoeba, Syncrypta, Syndinium, Synhemidinium, Synura (Syn. Synuropsis)
[T]
Tetrablepharis, Tetracilia, Tetramitus, Thalassomyxa, Thaumatomastix, Thecamoeba, Thecamonas, Theratromyxa, Togula, Toshiba, Toussetia, Trachelomonas, Trentonia, Trepomonas, Trichamoeba, Trichonema, Triflagellum, Trigonomonas, Trimastigamoeba, Trimastix, Trizona, Trochodinium, Tropidoscyphus, Tryanophis, Trypanoplasma
[U]
Urbanella, Urceolus (Syn. Phialonema, Urceolopsis), Uroglena, Uroglenopsis, Urophagus
[V]
Vacuolaria (Syn. Coelomonas), Vahlkampfia, Vampyrella, Vampyrellidium, Vannella, Vexillifera, Volvox
[W]
Wagnerella, Warnowia, Woloszynskia
[Z]
Zygabikodinium
Heliozoa 
Genus list:
[A]
Acanthocystis, Actinocoma, Actinolophus, Actinophrys, Actinosphaerium, Artodiscus, Asterocaelum, Astrodisculus (See; Chlamydaster)
[B]
Belonocystis
[C]
Camptonema, Chlamydaster (Syn. Astrodisculus), Choanocystis, Chondropus, Cienkowskya (Syn. Wagneria), Ciliophrys, Clathrella, Clathrulina (Syn. Podosphaera)
[D]
Dimorpha
[E]
Echinosphaerium, Elaeorhanis, Elaster
[G]
Gelatinophrys, Gobiella, Gymnosphaera
[H]
Hedriocystis, Heliosphaerium, Heterophrys
[L]
Lithocolla
[M]
Monobia, Monomastigocystis, Myriophrys
[N]
Nuclearia, Nucleosphaerium
[O]
Orbulinella, Oxnerella
[P]
Parasphaerastrum, Pinaciocystis, Pinaciophora, Polyplacocystis, Pompholyxophrys (Syn. Hyalolampe), Pterocystis
[R]
Rabdiophrys, Raphidiophrys (Syn. Sphaerastrum), Raphidocystis (Syn. Choanocystis), Rhaphidiophrys, Rhumbleria
[S]
Servetia, Sphaerastrum (See; Raphidiophrys)
[T]
Tetradimorpha
Testacea 
Genus list:
[A]
Alepiella, Allelogromia, Amphitrema (= Amphytrema), Amphizonella, Amphorellopsis, Ampullataria, Antarcella, Apodera, Apogromia, Apolimia, Arcella, Argynnia, Assulina, Averintzia, Awerintzewia
[B]
Bathysiphon, Bullinularia (Syn. Bullinula), Bullinula (See; Bullinularia)
[C]
Campascus, Capsellina, Centropyxiella, Centropyxis (Syn. Echinopyxis, Homoeochlamys), Chardezia, Chlamydonellopsis, Chlamydophrys, Clypeolina, Cochliopodium, Collaripyxidia, Corythionella, Corythionelloides, Cornuapyxis, Corycia, Corythion, Cryptodifflugia, Cucurbitella, Cyclopyxis, Cyphoderia
[D]
Deharvengia, Diaphoropodon (= Diaphorodon), Difflugia, Difflugiella, Diplochlamys, Diplophrys, Distomatopyxis, Ditrema
[E]
Edaphonobiotus, Elaeorhanis, Ellipsopyxella, Ellipsopyxis, Euglypha (Syn. Pareuglypha), Euglyphella, Euglyphellopsis, Euglyphidion, Euglyphinopsis
[F]
Frenzelina
[G]
Geamphorella, Geoplagiopyxis, Geopyxella, Gocevia, Gromia (Syn. Allogromia, Diplogromia, Rhynchogromia)
[H]
Heleopera, Heterolagynion, Hoogenraadia, Hyalosphenia
[J]
Jungia
[L]
Lagenidiopsis, Lagenidiopyxis, Lagenodifflugia, Lamtopyxis, Lamtoquadrula, Lecythium, Leptochlamys, Leptogromia, Lesquerella, Lesquereusia, Lieberkuhnia
[M]
Maghrebia, Matsakision, Messemvriella, Micramphora, Micramphoraeopsis, Microchlamys, Microcometes, Microcorycia, Microgromia, Micropsammella, Micropsammelloides, Microquadrula
[N]
Nadinella, Nebela, Netzelia
[O]
Ogdeniella (Syn. Amphorellopsis), Oopyxis
[P]
Pamphagus, Paracentropyxis, Paramphitrema, Paraquadrula, Pareuglypha, Parmulina, Paulinella, Penardochlamys, Pentagonia, Phryganella, Physochila, Pileolus, Placocista (= Placocysta), Plagiophrys, Plagiopyxis, Planhoogenraadia, Playfairina, Pomoriella, Pontigulasia, Porosia, Proplagiopyxis, Propsammonobiotus, Protocucurbitella, Protoplagiopyxis, Psammonobiotus, Pseudawerintzewia, Pseudochlamys, Pseudocorythion, Pseudocucurbitella, Pseudocyphoderia, Pseudodifflugia, Pseudolagenidiopsis, Pseudonebela, Pseudopontigulasia, Pseudovolutella, Pseudowailesella, Puytoracia, Pyxidicola, Pyxidicula
[Q]
Quadrula, Quadrulella
[R]
Rhabdogromia, Rhumbleriella, Rhynchogromia
[S]
Schaudinnula, Schoenboria, Schwabia, Sexangularia, Sphenodera, Sphenoderia, Sudzukiella, Suiadifflugia
[T]
Tracheleuglypha, Trachelocorythion, Tracheuglypha, Trichosphaerium, Trichotaxis, Trigonopyxis, Trinema
[V]
Valkanovia, Voluta, Volutella
[W]
Wailesella, Wailesia
[Z]
Zivkovicia, Zonomyxa
Ciliophora
Genus list:
[A]
Acanthostomella, Acaryophrya (Syn. Balanophrya), Acineria, Acineta, Acinetides, Acinetopsis, Acropisthium (Syn. Dinophrya, Siagonophorus), Actinobolina (Syn. Actinobolus), Alinostoma, Allotricha, Ambiphrya, Amphibothrella, Amphileptus (Syn. Hemiophrys), Amphisiella, Amphisiellides, Amphorella, Amphorellopsis, Amphorides, Ancystropodium, Anteholosticha, Anophrys, Apiosoma, Apocryptopharynx, Apofrontonia, Apsiktrata, Arachnella, Arachnidiopsis, Arachnidium, Archiastomata, Archinassula, Arcuospathidium, Aristerostoma, Ascampbellielia, Askenasia, Aspidisca (Syn. Aspidicopsis, Coccudina, Onychaspis), Astrophrya, Astylozoon (Syn. Geleiella), Atopodinium, Atractos, Australocirrus, Australothrix
[B]
Baikalodendron, Baikalophrya, Bakuella, Balanion, Balanonema, Balantidioides (Syn. Balantidiopsis), Balantidion, Balantidium (Parasitic species), Balladyna (Syn. Balladina), Balladynella (Syn. Balladinella), Banyulsella, Baznosanuia, Belonophrya, Bicoronella, Biholosticha, Bizonula, Blepharisma, Blepharostoma, Bothrostoma, Botticula, Brachonella, Brachyosoma (Syn. Hallezia), Branchioecetes, Brandtiella, Bresslaua, Bresslauides, Bryometopus, Bryophrya, Bryophyllum, Buehringa, Bursaopsis, Bursaria, Bursaridium, Bursella (See; Bursellopsis), Bursellopsis (Syn. Bursella), Bursostoma
[C]
Caenomorpha (Syn. Gyrocoris), Caliperia (Marine genus), Calyptotricha (Syn. Diplostyla), Campanella, Canellana, Canthariella, Caracatharina, Carchesium, Cardiostoma, Cardiostomatella, Caudiholosticha, Cavichona, Celeritia, Centrophorella, Chaenea, Chaetospira (Syn. Stichospira), Chasmatostoma, Chilodina, Chilodonatella, Chilodonella (Syn. Chilodon), Chilodontopsis, Chilophrya, Chlamydodon, Chlamydonella, Chlamydonellopsis, Choanophrya, Choanostoma, Chytridium, Ciliofaurea, Ciliospina, Cinetochilum, Circolagenophrys (Syn. Lagenophrys), Cirranter, Cirrophrya, Cladotricha, Clathrostoma, Climacocylis, Climacostomum, Clistolagenophrys, Codonaria, Codonella, Codonellopsis, Codonobotrys, Cohnilembus (Syn. Lembus), Coleps, Colpidium, Colpoda, Colpodidium, Cometodendron, Conchophthirus, Conchostoma, Condylostoma, Coniculostomum, Copemetopus, Corlissia, Cosmocolpoda, Cothurnia, Cothurnopsis (Syn. Cothurniopsis), Coxliella, Cranotheridium, Craspedomyoschistion, Craspedonotus, Craspedophrya, Craspedothorax (See; Pseudomicrothorax), Craterella, Cristigera, Crobylura, Cryptophrya, Ctedoctema, Cyclidium, Cyclodonta, Cyclogramma, Cyclophrya, Cyclotrichium, Cymatocylis, Cyrtohymena, Cyrtolophosis, Cyrtostrombidium, Cyttarocylis
[D]
Dactylochlamys, Dactylostoma, Dadayiella, Dapedophrya, Daturella, Deltopylum, Dendrocometes, Dendrocometides, Dendrosoma, Dendrosomides, Dexiostoma, Dexiotricha, Dexiotrichides, Diafolliculina, Diaphanosoma, Diceras (See; Diceratula), Diceratula (Syn. Diceras), Dichilum, Dictiocoleps, Dictyocysta, Didinium (Syn. Monodinium), Dileptus, Dinophrya, Diophryopsis, Diophrys, Discocephalus, Discomorphella (Syn. Discomorpha), Discophrya, Discosomatella (Syn. Discosoma), Discotricha, Discozoon, Disematostoma, Dissothigma (Syn. Patschia, Urotrichopsis), Drepanomonas (Syn. Drepanoceras), Dysteria (Syn. Aegyria, Cypridium, Ervilia, Iduna)
[E]
Echinophrya, Ellobiophrya (Syn. Claustophrya), Enchelydium, Enchelyodon, Enchelyomorpha, Enchelys, Endosphaera, Engelmanniella, Enigmostoma, Entziella, Epalxella (Syn. Epalxis), Epenardia, Ephelota, Epicarchesium, Epiclintes, Epiorella, Epiplocylis, Epiplocyloides, Epispathidium, Epistylis, Erastophrya, Eschaneustyla, Espejoia, Euplotes (Syn. Crateromorpha, Euploea, Ploesconia), Euplotidium, Eutintinnus
[F]
Fabrea, Favella, Figotintinnus, Frontonia, Furgasonia (Syn. Cyclogramma), Fuscheria
[G]
Gastronauta, Gastrostyla (Syn. Nothopleurotricha), Gajewskajophrya, Geleia, Gerda, Gillardella, Glaucoma (Syn. Dallasia), Glaucomella, Gonostomum (Syn. Plagiotricha), Gonzeella, Gorgonosoma, Grandoria (Syn. Lagenella), Grossglockneria, Gruberia, Gymnodinioides
[H]
Hallezia, Halteria, Halterioforma, Haplocaulus, Harmodirus, Hastatella, Hausmanniella, Helicoprorodon, Helicostoma, Helicostomella, Heliophrya, Hemiamphisiella, Hemicycliostyla, Hemicyclium, Hemigastrostyla, Hemiophrys, Heminotus (or Hemionotus), Hemisincirra, Heteropolaria, Hexotricha, Histiobalantium, Histriculus (Syn. Histrio), Histrio (See; Oxytricha), Holophrya, Holosticha (Syn. Amphisia), Homalogastra, Homalozoon, Hyalophysa, Hyalospira, Hydrophrya, Hypocoma, Hypophrya, Hypotrichidium (Syn. Peritromoides, Spirofilum), Hysterophrya
[I]
Ileonema (Syn. Monomastix), Intranstylum, Isosticha
[J]
Jeannellia
[K]
Kahliella (Syn. Kahlia), Kahlilembus, Kalometopia, Kentrophoros (Syn. Centrophorella), Kerona, Keronopsis (Syn. Kahliela, Paraholosticha), Kovalevia, Krassniggia, Kreyella, Kuehneltiella, Kuklikophrya
[L]
Laackmanniella (See; Codonellopsis), Laboea, Lacazea, Lacerus, Lacrymaria, Lagenophrys, Lagynophrya, Lagynus, Lamtostyla, Larvulina, Laurentia, Laurentiella (Syn. Laurentia), Lecanodiscus, Lechriopyla, Legendrea, Lembadion, Lepidotrachelophyllum, Leprotintinnus, Leptodesmus, Leptopharynx (Syn. Trichopelma), Lernaeophrya, Leucophrys, Liliimorpha, Limnostrombidium, Linostoma, Linostomella (Hom. Linostoma), Litonotus (Syn. Lionotus), Lohmaniella (or Lohmanniella, Marine species), Longifragma, Longitricha, Lopezoterenia, Lophophorina, Loricophrya, Loxocephalus, Loxodes, Loxophyllum (Syn. Opistyodon), Ludio
[M]
Malacophrys, Marituja, Maryna, Maupasia (See; Schewiakoffia), Membranicola, Meseres, Mesnilella, Mesodinium, Metacineta, Metacylis, Metacystis, Metafolliculina, Metanophrys, Metastrombidium (Marine species), Metopus, Microcardiosoma, Microchoanostoma, Microdiaphanosoma (Syn. Diaphanosoma), Microregma, Microthorax (Syn. Kreyella), Monilicaryon, Monochilum, Monodinium, Mucophrya, Mucotrichidium, Mykophagophrys, Mycterothrix (Syn. Trichorhynchus), Mylestoma, Myoschiston, Myriokaryon, Myrionecta
[N]
Nassula, Nassulopsis, Neobursaridium, Nivaliella, Nolaclusilis, Notohymena, Novistrombidium, Nuchterleinella, Nyctotherus
[O]
Obertrumia, Octocirrus, Odontochlamys, Onychodromopsis, Onychodromus (Syn. Himantophorus), Opercularia, Operculigera, Ophrydiopsis, Ophrydium, Ophryoglena, Opisthostomatella (Syn. Opistostomum), Opisthonecta, Opisthostyla, Opisthotricha (Syn. Opisthiotricha), Orbopercularia, Orbopyxidiella, Orcavia, Ormosella, Orthoamphisiella, Orthodonella (Syn. Orthodon), Orthotrochilia, Ovalorhabdos, Oxytricha (Syn. Oxitricha, Histrio, Opisthotricha, Steinia)
[P]
Pachystomos, Palmarella (Syn. Palmarium), Palmarium, Papillorhabdos, Parabakuella, Parablepharisma, Parabryophrya, Parachilodonella, Paracineta, Paracolpidium, Paracolpoda, Paracondylostoma, Paradexiotricha, Paradileptus (Syn. Tentaculifera), Paradiophrys, Paraenchelys, Parafavella, Paragastrostyla, Paraglaucoma, Parahistriculus (Syn. Parahistricus), Paraholosticha, Parakahliella, Paralagenophrys, Paralembus, Paramecium (Syn. Paramaecium), Paramphisella, Paranassula, Paranophrys, Parapetalotricha, Parapodophrya, Paraspathidium, Parastentor, Parastylonychia, Parastokesia, Parastrombidium (Marine species), Parauronema, Paraurostyla, Paraurotricha, Parazoothamnium, Parundella, Paruroleptus, Parurosoma, Pedohymena, Pelagohalteria, Pelagostrombidium, Pelagothrix, Pelagotrichidium, Pelagovasicola, Pelagovorticella, Pelatractus, Pelodinium, Penardiella, Pentahymena, Periacineta, Peridion, Peridionella, Peridiscophrya, Periholosticha, Perisincirra, Perispira, Peritromus, Petalotricha, Phacodinium (Syn. Conchophthirius), Phascolodon, Phialina, Phialinides, Philaster, Philasterides (Syn. Philaster), Physalophrya, Physanter (Syn. Faurella), Pithothorax, Placus (Syn. Spathidiopis, Spathidiopsis, Thoracophrya), Plagiocampa, Plagiopogon, Plagiopyla, Plagiotoma, Platophrya, Platyophryides, Platycola, Platynematum, Platyophrya, Plesiotricha (Syn. Uroleptapsis, Uroleptopsis), Pleurochilidium, Pleurofragma (Syn. Mimeticus, Oldesloeria), Pleuronema, Pleuroplites, Pleuroplitoides, Pleurotricha (Syn. Allotricha, Onychodromopsis), Podophrya, Poroecus, Potomacus, Pottsia, Prodiscophrya, Proplectella, Propyxidium (Syn. Pyxidiella, Pyxidium), Prorodon (Syn. Rhagadostoma), Protocruzia, Protocymatocylis, Protorhabdonella, Protospathidium, Pseudoamphisiella, Pseudobalanion, Pseudoblepharisma, Pseudocarchesium, Pseudochilodonopsis, Pseudocohnilembus, Pseudocyrtolophosis, Pseudoenchelys, Pseudogemma, Pseudoglaucoma, Pseudohaplocaulus, Pseudokeronopsis, Pseudokreyella, Pseudomaryna, Pseudomicrothorax (Syn. Craspedothorax), Pseudoplatyophrya, Pseudoprorodon, Pseudothuricola, Pseudouroleptus, Pseudourostyla, Pseudovorticella, Pseuduronema, Psilotricha (Syn. Hemiholosticha, Pigostyla), Ptychocylis, Puytoraciella, Pyxicola (Syn. Caulicola, Pachytrocha), Pyxidiella, Pyxidium
[Q]
Quasillagilis
[R]
Raabellocineta, Racovitzaia, Reichenowella, Remanella (Marine species), Rhabdoaskenasia, Rhabdonella, Rhabdonellopsis, Rhabdosella, Rhabdostyla, Rhagadostoma, Rhopalophrya, Rhyncheta, Rhynchophria, Rigchostoma, Rimostrombidium, Rostrophrya
[S]
Sagittaria, Salpingacantha, Salpingella, Saprodinium, Saprophilus (See; Sathrophilus), Sathrophilus (Syn. Saprophilus), Scaphidiodon, Schewiakoffia (Syn. Maupasia), Scyphidia, Scyphidiella, Semiplatyophrya, Semitrichodina, Serpentichona, Setonophrys, Sigmostomum, Solenophrya, Sonderia, Sorogena, Spasmostoma, Spartina, Spathidiella (Syn. Spathidioides), Spathidiodes (Syn. Spathidiella), Spathidioides, Spathidiosus, Spathidium (Syn. Spathidiopsis, Spathidiosus), Spelaeonecta (Syn. Faureia), Spelaeophrya, Sphaerobactrum, Sphaerophrya, Sphaerotrichium, Spiretella (Syn. Microspiretta, Spiratella, Spiretta), Spirochona, Spirofilopsis (Syn. Spirofilum), Spirostomum, Spirozona, Supraspathidium, Stammeridium (Syn. Stammeriella), Stammeriella, Staurophrya, Steenstrupiella, Stegochilum, Steinia, Stenosemella, Stensomella, Stentor, Stephanidina, Stephanopogon, Sterkiella (Syn. Histriculus, Histrio), Stichotricha (Syn. Archimedea, Schizosiphon, Stichochaeta), Stokesia, Strobilidium (Syn. Stombilidium, Turbilina), Strombidinopsis, Strombidium, Strongylidium, Stylocometes, Stylohedra, Stylonethes, Stylonychia (Syn. Kerona, Prosopsenus, Stylonichia), Stylophrya, Suctorella, Sulcigera, Sultanophrys, Swedmarkia, Synhymenia, Systylis
[T]
Tachysoma (Syn. Actinotricha), Telotrochidium (Syn. Opisthonecta), Tesnospira, Tetrahymena, Teuthophrys, Thalassiomastix, Thecacineta, Thigmogaster, Thuricola, Thuricolopsis, Thylakidium, Thysanomorpha, Tiarina, Tillina, Tintinnidium, Tintinnopsis, Tintinnus, Tokophrya, Tokophryella, Tokophryopsis, Tontonia (Marine species), Trachelius, Trachelocerca (Syn. Gruvelina, Nephrocerca, Protrichophora), Trachelochaeta, Trachelonema (See; Tracheloraphis), Trachelophyllum, Tracheloraphis (Syn. Trachelonema), Trachelostyla (Syn. Gonostomum (part), Stichochaeta), Trachelotractus, Transitella, Trichoda, Trichoderum, Trichodina, Trichodinella, Trichodinopsis, Trichodoxa, Trichopelma, Trichophrya, Trichospira, Trichotaxis, Trichototaxis (Syn. Trichotaxis), Trimyema (Syn. Sciadostoma), Trithigmostoma, Trochilia, Trochilioides, Trochiliopsis, Tropidoatractus, Turaniella (Syn. Turania)
[U]
Undella, Undellopsis, Urceolaria, Urnula, Urocentrum, Urochaenia, Urocyclon, Uroleptoides, Uroleptopsis, Uroleptus (Syn. Cladotricha, Platytrichotus), Uronema, Uronemella, Uronemita, Uronemopsis, Uronychia, Uropedalium, Urosoma (Syn. Parastrombidium, Pseudostrombidium), Urosomoida, Urospinula (Syn. Urospina), Urostorngylum, Urostyla, Urotricha (Syn. Balanitozoon), Urozona, Usconophrys
[V]
Vaginicola, Vasicola (Syn. Pelamphora), Vorticella
[W]
Wallackia, Wenrichia, Woodania, Woodruffia
[X]
Xystonella, Xystonellopsis
[Z]
Zoothamnium, Zosterodasys
Genus list:
[A]
Abrochtha (= Abtrochtha), Acyclus, Adineta (Syn. Planotrocha, Planotrochus), Albertia, Anchitestudinella, Anomopus, Anuraeopsis, Argonotholca, Ascomorpha (Syn. Chromogaster, Hertwigia, Sacculus), Ascomorphella, Aspelta, Asplanchna, Asplanchnella, Asplanchnopus, Atrochus
[B]
Balatro, Beauchampia (Syn. Cephalosiphon), Beauchampiella, Bipalpus (Syn. Dictyoderma), Birgea, Brachionus (See; Schizocerca), Bradyscela, Bryceella (= Bryceela)
[C]
Callidina, Cephalodella (Syn. Diaschiza, Diglena), Ceratotrocha, Chromogaster (Syn. Anapus), Collotheca (Syn. Floscularia), Colurella (Syn. Colurus), Conochiloides, Conochilopsis, Conochilus, Cupelopagis (Syn. Apsilus, Dictyophora), Cyrtonia
[D]
Dicranophoroides, Dicranophorus (Syn. Arthroglena, Diglena, Dekinia, Distemma, Kermodon), Didymodactylus (Syn. Didymodactylos), Diglena, Dipleuchlanis, Diplois, Dissotrocha, Diurella (See; Trichocerca), Dorria, Dorystoma, Drilophaga
[E]
Elosa, Embata, Encentroides, Encentrum (Syn. Encentroides, Parencentrum), Enteroplea (Syn. Triphylus, Tryphylus), Eosphora, Eothinia, Epiphanes (Syn. Hydatina, Notops), Erignatha, Euchlanis (Syn. Dapidia), Eudactylota, Euteroplea
[F]
Fadeewella (See; Filinia), Filinia (Syn. Fadeewella, Pedetes, Triarthra), Floscularia (Syn. Melicerta, Tubicolaria)
[G]
Gastroschiza, Gastropus (Syn. Hudsonella, Hudsonia), Gossea
[H]
Habrotrocha, Harringia (Syn. Asplanchnopus, Dinops), Henoceros (Syn. Monoceros), Hertwigella (Syn. Ascomorphella, Hertwigia), Heterolepadella, Hexarthra (See; Pedalia), Horaella
[I]
Inflatana, Itura
[K]
Kellicottia, Keratella (Syn. Anuraea), Kostea
[L]
Lacinularia (Syn. Megalotrocha in part, Strophosphaera), Lecane (Syn. Cathypna, Catypna, Cercaria, Diarthra, Distyla, Hemimonostyla, Monostyla), Lepadella (Syn. Eulepadella, Hexastomma, Metopidia, Notogonia, Xenolepadella), Liliferotrocha, Limnias (Syn. Cephalosiphon, Limnioides), Lindia, Lophocharis (Syn. Oxysterna)
[M]
Macrochaetus (Syn. Polychaetus), Macrotrachela, Manfredium, Metadiaschiza, Microcodon, Microcodides, Mikrocodides, Mniobia, Monommata, Myersinella (Syn. Myersina), Mytilina (Syn. Diplacidium, Diplax, Salpina)
[N]
Notholca, Notommata
[O]
Octotrocha, Otostephanus (= Otostephanos)
[P]
Paracephalodella, Paracolurella, Paradicranophorus, Paraencentrum, Parafilinia, Paralepadella, Paranuraeopsis, Parencentropsis, Parencentrum (Syn. Parencentropsis), Pedalia (See; Hexarthra, Syn. Pedalion), Pedipartia (Syn. Dicranella), Philodina, Philodinavus (Syn. Microdina), Plationus, Platyias (= Platyas) (Syn. Noteus), Pleurotrochopsis, Pleurata, Pleuretra, Pleurotrocha, Ploesoma (Syn. Gastroschiza, Gomphogaster), Polyarthra (Syn. Anarthra), Pompholyx, Postclausa (Syn. Hyptopus), Proales, Proalides, Proalinopsis, Pseudoecistes, Pseudoeuchlanis, Pseudoharringia, Pseudonotholca, Pseudoploesoma, Ptygura (Syn. Oecistes, Pseudoecistes)
[R]
Repauliana, Resticula, Rhinoglena (Syn. Rhinops), Rotaria (Syn. Esechielina, Ezechielina, Furcularia, Rotatoria, Rotifer), Rousseletia (= Rousselettia)
[S]
Scaridium, Scepanotrocha, Schizocerca, Sinantherina (Syn. Megalotrocha, Voronkowia), Sphyrias, Squatinella (Syn. Stephanops), Stephanoceros (Syn. Coronella), Streptognatha (= Streptognathe), Synantherina (Syn. Megalotrocha in part), Synchaeta
[T]
Taphrocampa, Testudinella (Syn. Proboskidea, Pterodina), Tetramastix, Tetrasiphon, Trichocerca (See; Diurella, Syn. Acanthodactylus, Coelopus, Diurella, Mastigocerca, Monocerca, Rattulus, Vaginaria), Trichotria (Syn. Dinocharis), Tripleuchlanis, Trochosphaera, Tylotrocha
[V]
Vanoyella, Voronkowia
[W]
Wierzejskiella, Wingrella (Syn. Wigrella), Wolga, Wulfertia
[Z]
Zelinkiella (Syn. Discopus)
Genus list:
[A]
Abunema, Acantholaimus (Marine species), Acanthonchus (Subgenus; Acanthonchus, Seuratiella), Acanthopharyngoides, Acanthopharynx, Achromadora, Acmaeolaimus, Acontiolaimus, Acrobeles, Acrobeloides, Acrozostron, Actarjania, Actinolaimus, Actinonema, Adeuchromadora, Adoncholaimus, Adorus, Aduncospiculum, Aegialoalaimus, Africanthion, Aglenchus, Akanthepsilonema, Alaimella, Alaimonema, Alaimonemella, Alaimus, Allgenia, Allgeniella, Amblyura, Amphidelus, Amphimonhystera, Amphimonhystrella, Amphispira, Anaplectus, Anatonchus, Anchidiplogasteroides, Andrassya, Anguillula, Anguina, Anguinoides, Anomonema, Anoncholaimus, Anonchus, Anoplostoma, Antarcticonema, Anthonema, Anticoma, Anticomopsis, Anticyathus, Anticyclus, Antomicron, Antopus, Aphanolaimus, Aphelenchoides, Aphelenchus, Aplectus, Apodontium, Aponchium, Aponcholaimus, Aporcelaimellus, Aporcelaimus, Araeolaimoides, Araeolaimus, Archepsilonema, Arctidorylaimus, Arenasoma, Ascolaimus, Assia, Asymmetrella, Atrochromadora, Atylenchus, Augustinema, Aulolaimoides, Aulolaimus, Austranema, Austronema, Axonolaimus
[B]
Bakernema, Barbonema, Bastiania, Bathyepsilonema, Bathylaimella, Bathylaimus, Bathyodontus, Bathyonchus, Belonolaimus, Biarmifer, Blandicephalanema, Bolbellia, Boleodorus, Boreomicrolaimoides, Boucherius, Bradybucca, Branchinema, Brevitobrilus, Buccolaimus, Bunonema, Bursilla, Butlerius
[C]
Cacolaimus, Caenorhabditis, Calligyrus, Calolaimus, Calyptronema (Subgenus; Calyptronema (Syn: Dilaimus, Bradystoma), Catalaimus (Syn: Rhinoplostoma)), Camacolaimoides, Camacolaimus, Camallanus, Campydora, Campylaimus, Capitomermis, Cenolaimus, Cephalobus, Ceramonema, Cervidellus, Cervonema, Chaetonema, Cheilobus, Cheironchus, Chiloplacus, Chitwoodia, Chloronemella, Choanolaimus, Choniolaimus, Chromadora, Chromadorella, Chromadorina, Chromadorissa, Chromadorita, Chromaspirina, Chronogaster, Chrysonemoides, Cinctonema, Clarkus, Cobbia, Cobbionema, Cobbonchus, Colpurella, Coomansus, Comesoma, Conilia, Coninckia, Conistomella, Convexolaimus, Corythostoma, Coslenchus, Craspodema, Crassibucca, Crassolaimus, Crenopharynx, Cricolaimus, Criconema, Criconemella (Syn. Criconemoides, Macroposthonia, Madinema, Mesocriconema, Nothocriconemoides), Criconemoides, Crocodorylaimus, Crossonema, Cruznema, Cryptenoplus, Cryptolaimus, Cryptonchulus, Cryptonchus, Curvolaimus, Cyartonema, Cyatholaimus, Cyathonchus, Cylicolaimus, Cylindrocorpus, Cylindrolaimus, Cylindrotheristus, Cynura, Cytolaimium
[D]
Dactylaimus, Dagda, Daptonema, Dasylaimus, Dasynemella, Dasynemoides, Dayellus, Deltanema, Demanema, Demonema, Dentatonema, Denticulella, Deontolaimus, Deontostoma, Desmodora (Subgenus: Croconema (Syn. Aculenochus), Bolbonema, Desmodora, Desmodorella, Pseudochromadora (Syn. Bradylaimoides, Micromicron), Xenodesmodora (Syn. Bla), Zalonema (Syn. Heterodesmodora)), Desmolaimus, Desmolorenzenia, Desmoscolex (Syn. Eudesmoscolex, Eutricoma, Heterodesmoscolex, Prodesmoscolex, Protodesmoscolex), Desmotimmia, Desmotricoma, Dichromadora, Dichromadota, Dicriconema, Didelta, Dintheria, Diodontolaimus, Dioncholaimus, Diphtherophora, Diplenteron, Diplobathylaimus, Diplogaster, Diplogasteritus, Diplohystera, Diplolaimella, Diplolaimelloides, Diplopeltis, Diplopeltoides, Diplopeltula, Diploscapter, Discocriconemella (Syn. Acrozostron), Discolaimium, Disconema, Dispira, Dispirella, Ditlevsenella, Ditylenchus, Dolichodorus, Dolicholaimus, Dolichorhynchus, Dolichosomatum, Doliolaimus, Domorganus, Donsinema, Donsinemella, Dorylaimellus, Dorylaimodes, Dorylaimopsis, Dorylaimus, Doryllium, Doryonchus, Dracograllus, Draconema, Drepanonema, Drilocephalobus
[E]
Echinotheristus, Ecphyadophora, Ecumenicus, Eleutherolaimus, Elzalia, Enchelidiella, Enchelidium, Enchodelus, Enoplochilus, Enoploides, Enoplolaimus, Enoplus, Epacanthion , Epitobrilus, Epsilonella, Epsilonema, Epsilonematina, Ereptonema, Ethmolaimus, Eubostrichus, Eucephalobus, Euchromadora, Eudiplogaster, Eudorylaimus, Eumonhystera, Eumorpholaimus, Eurystomina, Eusynonchus, Euteratocephalus, Eutobrilus, Eutylenchus
[F]
Fenestrolaimus, Filenchus, Filipjeva, Filipjevia, Filipjeviella, Filoncholaimus, Fimbrilla, Frostina, Fusonema
[G]
Gammanema, Gammarinema, Gastromermis, Geocenamus, Geomonhystera, Gerlachius, Globodera, Glochinema, Goffartia, Gomphionema, Gonionchus, Goodeyus, Grahamius, Granonchulus, Graphonema, Greeffiella, Greeffiellopsis, Gymnolaimus
[H]
Hadronchus, Halalaimus (Subgenus: Halalaimus, Nuada (Syn. Tycnodora), Pachyodora), Halanonchus, Halaphanolaimus, Halicephalobus, Halichoanolaimus, Halicylindrolaimus, Halinema, Haliplectus, Hapalomus, Haptotricoma, Helicotylenchus, Hemicriconemoides, Hemicycliophora, Heterocephalobus, Heterocyatholaimus, Heterodera, Hexatylus, Hirschmanniella, Hofmaenneria, Hoplolaimus, Hopperia, Hydromermis, Hypodontolaimus, Hyptiolaimus
[I]
Icosiella, Illium, Ingenia, Innocuonema, Ionema, Iotalaimus, Iotonchus, Ironella, Ironus, Isolaimium, Isomermis, Ixonema
[J]
Judonchulus, Jotonchium
[K]
Karkinochromadora, Kenyanema, Keratonema, Kinonchulus, Klugea (Subgenus: Klugea, Nasinema (Syn. Gullmarnia)), Koerneria, Kosswigonema, Krampia, Kraspedonema, Kreisoncholaimus, Kreisonema
[L]
Labronema, Laimaphelenchus, Laimella, Laimydorus, Lanceimermis, Latronema, Lauratonema, Lauratonemoides, Laxonema, Laxus, Ledovitia, Leptepsilonema, Leptolaimoides, Leptolaimus, Leptonchus, Leptonemella, Leptosomatides, Leptosomatina, Leptosomatum, Leptosomella, Limnomermis, Limonchulus, Lineolia, Linhomoella, Linhomoeus, Linolaimus, Litinium, Litonema, Litotes, Lobocriconema, Longicyatholaimus, Longidorus, Longilaimus, Longitubopharynx, Lyranema
[M]
Macfadyenia, Macrolaimus, Macronchus, Macroposthonia, Madinema, Maldivea, Malenchus, Manunema, Margonema, Marilynia, Marispelodera, Megadesmolaimus, Megalamphis, Megeurystomina, Megodontolaimus, Meloidodera, Meloidogyne, Merlinius, Mermis, Merocriconema, Meroviscosia, Mesacanthion, Mesacanthoides, Mesocriconema, Mesodiplogaster, Mesodorylaimus, Mesonchium, Mesorhabditis, Mesorhabditus, Mesotheristus, Metachromadora (Subgenus: Bradylaimoides (See; Desmodora, subg. Pseudochromadora), Bradylaimus, Chromadoropsis, Metachromadora, Metachromadoroides, Metonyx, Neonyx)), Metacomesoma, Metacyatholaimus, Metacylicolaimus, Metadasynemella, Metadesmodora, Metadesmolaimus, Metaglochinema, Metalaimus, Metalinhomoeus, Metaparoncholaimus, Metaraeolaimoides, Metasabatiera, Metateratocephalus, Metenoploides, Metepsilonema, Metoncholaimoides, Metoncholaimus, Meyersia, Meylia, Micoletzkyia, Miconchus, Micracanthonchus, Microdorylaimus, Microlaimoides, Microlaimus, Minolaimus, Molgolaimus, Monhystera, Monhysteroides, Monhystrella, Monhystrium, Monobutlerius, Monochromadora, Monochus, Monohystera, Mononchoides (or Monochoides), Mononcholaimus, Mononchulus, Mononchus, Monoposthia, Monoposthioides, Mylonchulus, Myolaimus
[N]
Nacobbus, Nannolaimoides, Nannolaimus, Necolaimus, Nema, Nemacoma, Nemanema, Nemella, Neobakernema, Neochromadora, Neocrossonema, Neolobocriconema, Neomesomermis, Neoquadricoma, Neotonchus, Neurella, Nijhoffia, Noffsingeria, Nothacrobeles, Nothocriconema, Nothocriconemella, Nothocriconemoides, Nothotylenchus, Notocamacolaimus, Notochaetosoma, Notosabatieria, Notosouthernia, Nuadella, Nudora, Nunema, Nygmatonchus, Nygolaimus (Syn. Laevides)
[O]
Octomymermis, Octonchus, Odontobius, Odontocricus, Odontolaimus, Odontophora, Ogma, Ohridius, Oionchus, Oligoplectus, Omicronema, Onchium, Oncholaimelloides, Oncholaimellus, Oncholaimium, Oncholaimoides, Oncholaimus, Onchulus, Onyx, Opisthodorylaimus, Oxyonchus, Oxystomina, Oxyuris
[P]
Pakira, Panagrellus, Panagrobellus, Panagrobelus, Panagrolaimus, Pandolaimus, Panduripharynx, Parabarbonema, Parabutlerius, Paracanthonchus, Parachromagasteriella, Paracomesoma, Paracriconema, Paractinolaimus, Paracyatholaimoides, Paracyatholaimus, Paracylicolaimus, Paradesmodora, Paradorylaimus, Paradoxolaimus, Paraegialoalaimus, Parahadronchus, Paraigolaimella, Paraleptosomatides, Paralinhomoeus, Paralongicyatholaimus, Paramesacanthion, Paramesonchium, Paramicrolaimus, Paramonohystera (Subgenus: Paramonohystera, Leptogastrella), Paramononchus, Paramphidelus, Paranticoma, Paraphanoderma, Paraphanolaimus, Paraphelenchus, Parapinnanema, Paraplectonema, Parapomponema, Pararaeolaimus, Parasaveljevis, Parascolaimus, Paratarvaia, Paraterschellingia, Parathalassoalaimus, Paratrichodorus, Paratricoma (Syn. Desmogerlachia), Paratrilobus, Paratripyla, Paratripyloides, Paratuerkiana, Paratylenchus, Paravulvus, Parenoplus, Pareudesmoscolex, Pareurystomina, Parironus, Parodontophora, Paroigolaimella, Paronchulus, Paroxystomina, Pateracephalanema, Pelagonema, Pelagonemella, Pellioditis, Pelodera, Perepsilonema, Perilinhomoeus, Perioplectus, Phaenoncholaimus, Phanoderma (Subgenus: Alyncoides, Phanoderma), Phanodermella, Phanodermopsis, Phanoglena, Pheronous, Phyllolaimus, Pierrickia, Platycoma, Platycomopsis, Plectolaimus, Plectonchus, Plectus, Polkepsilonema, Polygastrophora, Polylaimium, Polyonchulus, Polysigma, Pomponema, Pontonema, Porocoma, Potamogeton, Potamonema, Praeacanthonchus, Pratylenchus, Prionchulellus, Prionchuloides, Prionchulus, Prismatolaimus (= Prismatoloaimus), Pristionchus, Pristionema, Procamacolaimus, Prochaetosoma, Prochromadora, Prochromadorella, Prodesmodora, Prodontorhabditis, Progreeffiella, Prolinhomoeus, Promonhystera, Prooncholaimus, Propomponema, Prosphaerolaimus, Protochromadora, Protodesmoscolex, Protorhabditis, Prototricoma, Protricoma, Protricomoides, Pselionema, Pseudaphelenchoides, Pseudaraeolaimus, Pseudhalenchus, Pseudoacrobeles, Pseudoaulolaimus, Pseudocella, Pseudodilaimus, Pseudolella, Pseudometachromadora, Pseudoncholaimus, Pseudonchulus, Pseudonchus, Pseudopelagonema, Pseudorhabdolaimus, Pseudosteineria, Pseudotheristus, Psilenchus, Pternepsilonema, Pteronium, Pterygonema, Ptycholaimellus, Pulchranemella, Punctodera, Punctodora, Pungentus, Pycnolaimus
[Q]
Quadricoma, Quadricomoides
[R]
Radopholus, Rhabditella, Rhabditis, Rhabdocoma, Rhabdodemania, Rhabdolaimus, Rhabdotoderma, Rhadinema, Rhaptothyreus, Rhinema, Rhinonema, Rhips, Rhynchonema, Richtersia, Ritenbenkia, Robbea, Rogerus, Rotylenchus, Rotylenchulus, Ruamowhitia
[S]
Sabatieria, Sarisodera, Sarsonia, Saveljevia, Scaptrella, Scutylenchus, Seinura, Seleborca, Seriespinula, Setoplectus, Sigmophoranema, Sinanema, Siphonolaimus, Sitadevinema, Solenolaimus, Southernia, Southerniella, Sphaeolaimus, Sphaerocephalum, Sphaerolaimus, Sphaerotheristus, Spiliphera, Spilophorella, Spinodesmoscolex, Spiramphinema, Spirinia (Subgenus: Spirinia, Perspiria), Spirobolbolaimus, Sporonchulus, Squanema, Steineria, Steineridora, Steinernema, Stenonchulus, Stephanolaimus, Stilbonema, Stomachoglossa, Striatodora, Symplocostoma, Symplocostomella, Synodontium, Synodontoides, Synonchiella, Synonchium, Synonchoides, Synonchus (Subgenus: Fiacra, Jaegerskioeldia, Synonchus), Synonema, Syringolaimus, Syringonomus
[T]
Tarvaia, Tectonchus, Teratocephalus, Teratorhabditis, Terschellingia, Terschellingioides, Tetylenchus, Thalassironus, Thalassoalaimus, Theristus (Subgenus: Theristus, Daptonema, Penzancia), Thonus, Thoonchus, Thoracostoma, Thoracostomopsis, Thornia, Tigronchoides, Tigronchus, Timmia, Tobrilia, Tobriloides, Tobrilus, Torbrilus, Torsiomermis, Trefusia, Trichenoplus, Trichotheristus, Tricoma (Syn. Demanema), Tridentellia, Triepsilonema, Trileptium, Trilobus, Triodontolaimus, Tripyla, Tripylium, Tripyloides, Trischistoma, Trissonchulus, Trochamus, Trogolaimus, Tubolaimella, Tubolaimoides, Tubolaimus, Tuerkiana, Turbatrix, Tylencholaimellus, Tylencholaimus, Tylenchorhynchus, Tylenchulus, Tylenchus, Tyleptus, Tylocephalus, Tylolaimophorus
[U]
Udonchus, Ungulilaimella, Ungulilaimus, Usarpnema
[V]
Vasculonema, Vasostoma, Viscosia
[W]
Wieseria, Wieserius, Wiesoncholaimus, Wilsonema, Wilsotylus
[X]
Xennella, Xenocriconemella, Xenocyatholaimus, Xenolaimus, Xenonema, Xiphinema, Xyala, Xyzzora
[Z]
Zeldia, Zygonemella, Zygotylenchus
Genus list:
[A]
Abyssidrilus, Acanthobdella, Achaeta, Adelodrilus, Adenodrilus, Aeolosoma, Agriodrilus, Aktedrilus, Alexandrovia, Allodero, Allolobophora, Allonais, Alluroides, Alma, Alphadrilus, Amphichaeta, Amynthas, Antarctodilus, Antipodrilus, Aporrectodea, Archaeta, Arcteonais, Arctodrilus, Aspidodrilus, Astacopsidrilus, Aulodrilus, Aulophorus
[B]
Bacescuella, Baikalodrilus, Bathydrilus, Bdellodrilus, Bichaeta, Bimastos, Biwadrilus, Bothrioneurum, Branchiobdella, Branchiodrilus, Branchiura, Bratislavia, Brinkhurstia, Bryodrilus, Buchholzia, Bucholzia, Burchanidrilus, Bythonomus
[C]
Cambarincola, Capilloventer (Marine species), Caridinophila, Ceratodrilus, Cernosvitoviella, Chaetogaster, Chirodrilus, Cirratodrilus, Cirrodrilus, Clitellio, Cognetiella, Cognettia, Coralliodrilus, Criodrilus, Cronodrilus
[D]
Delaya, Dendrobaena, Dendrodrilus, Dero, Desmogaster, Diachaeta, Diplocardia, Discordiprostatus (Marine species), Distichopus, Drawidia, Drilocrius, Duridrilus
[E]
Earthworms, Eclipidrilus, Eisenia, Eiseniella, Eiseniona, Embolocephalus, Enchytraeus, Enchytronia, Eophila, Epirodrilus, Erpobdella, Eudrilus, Euilyodrilus, Eukerria, Eumuliercula
[F]
Frearidrilus, Fridericia
[G]
Gieredrilus, Grania (Marine species), Guaranidrilus
[H]
Haber, Haemonais, Haplotaxis, Helodrilus, Hemienchytraeus, Hemifridericia, Hemigastrodrilus, Henlea, Heronidrilus, Hesperodrilus, Heterochaetella, Heterodrilus (Marine species), Hidejiodrilus, Hirudo, Hologynus, Holtodrilus, Homochaeta, Hormogaster, Hrabea, Hrabeiella, Hystricosoma
[I]
Ilyodrilus, Inanidrilus (Marine species), Inermidrillus, Insulodrilus, Isochaeta, Isochaetides
[J]
Jamiesoniella, Jolydrilus
[K]
Kaketio (Marine species), Kathrynella, Kincaidiana, Kopilrok, Krenedrilus, Kurenkovia
[L]
Lamprodrilus, Lamprortus, Limnodriloides, Limnodrilus, Lophochaeta, Lumbricillus, Lumbriculus, Lumbricus, Lycodrilus, Lymphachaeta
[M]
Macquaridriloides, Macrostoma, Magmatodrilu, Marcusaedrilus, Marinellina, Marionina, Martiodrilus, Megascolides, Mesenchytraeus, Mesoporodriluss, Metaphire, Metataxis, Metschaina, Microscolex, Millsonia, Monadrilus, Moniligaster, Monopylephorus, Monotus, Murchieona
[N]
Nais, Narapa, Nicodrilus, Nootkadrilus (Marine species)
[O]
Ocnerodrilus, Oconnorella, Octoclasion, Octodrilus, Octolasion, Octolasium, Oedipodrilus, Olavius, Ophidonais, Opisthocysta, Orodrilus
[P]
Parakaketio, Paranadrilus, Paranais, Pectinodrilus, Peipsidrilus, Pelmatodrilus, Pelodrilus, Peloscolex, Peosidrilus, Perionyx, Peristodrilus, Phagodrilus, Phallodrilus, Pheretima, Phreodriloides, Phreoryctes, Piscicola, Pithemera, Piguetiella, Pontoscolex, Potamodrilus, Potamothrix, Pontodrilus, Premnodrilus, Pristina, Pristinella, Propappus, Prosellodrilus, Protuberodrilus, Psammoryctes, Psammoryctides, Pterodrilus, Punahenlea, Pygmaeodrilus
[Q]
Quistadrilus
[R]
Randidrilus, Randiella, Rheomorpha, Rhopalonais, Rhinodrilus, Rhizodriloides, Rhizodrilus, Rhyacodriloides, Rhyacodrilus, Rhynchelmis, Rhynchelmoides, Ripistes
[S]
Satchellius, Sathodrilus, Scherotheca, Schizodrilus, Sinodrilus, Sketodrilus, Slavina, Smithsonidrilus, Sparganophilus, Specaria, Spelaedrilus, Spiridion, Spirosperma, Spirospermoides, Stephanodrilus, Stephensoniana, Stephensoniella, Stercutus, Stuhlmannia, Stylaria, Stylodrilus, Styloscolex, Sutroa, Svetlovia, Syngenodrilus
[T]
Tasserkidrilus, Taupodrilus, Tectidrilus (Marine species), Tenagodrilus, Teneridrilus, Teleuscolex, Telmatodrilus, Thalassodrilides, Tiguassu, Triannulata, Trichodrilus, Trieminentia, Tubifex, Tubificidarum, Tubificoides, Tupidrilus
[U]
Uglukodrilus, Uncinais, Uniporodrilus
[V]
Vadicola, Varichaeta, Varichaetadrilus, Vejdovskyella, Vignysa, Villiersia
[W]
Wapsa
[X]
Xana, Xironodrilus, Xironogiton
[Z]
Zironodrilus