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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Identification (Morphology)

We have offered information about morphology of microorganisms. These information are obtained for living cell under magnification (x100 ~ x200) of light microscope.
  1. Protozoa

    Sarcomastigophora

    Genus list

    [A]
    Acanthamoeba, Acanthocorbis, Acanthometron, Acanthosphaera, Acinetactis, Acrasis, Actinastrum, Actinelius, Actinolophus, Actinomonas, Adelphamoeba, Adriamonas, Agitata, Aletium, Allantion, Allas, Alphamonas, Amastigomonas, Amoeba (Syn. Amiba, Chaos, Proteus, Vibrio, Volvox), Amoenoscopa, 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, Bawdenium, Belaria, Belonocystis, Bicoeca, Bicosoeca, Bicosta, Biecheleria, Biecheleriopsis, Bikosoeca (Syn. Bicoeca), Biomyxa (Syn. Gymnophrys), Branchipocola, Bodo (Syn. Prowazekia), Bodomorpha, Bodopsis, Bordnamonas
    [C]
    Cachonina, Caecitellus, Caecomyces, Cafeteria, Calycomonas, Campanoeca, Campyloacantha, Carpediemonas, Carteria, Cashia, Cavostelium, Cephalothamnion, Cephalothamnium, Ceratium, Ceratocorys, Ceratodinium, Cercobodo, Cercomonas, Chaos (Syn. Amoeba), Chilodinium, Chilomastix, Chilomonas, Chlamydomonas, Chlamydomyxa, Chromatium, Chromera, Chromulina, Chrysamoeba, Chrysapsis, Chrysarachnion, Chrysidella, Chrysidiastrum, Chrysocapsa, Chrysococcus, Chrysodendron, Chrysopyxis, Chrysosphaerella, Chytriodinium, Cichkovia, Cinetidomyxa, Cladomonas, Cladonema, Clathrella, Clautriavia, Coccidinium, Cochliopodium, Cochlodinium, Codonobotrys, Codonocaladium, Codonocladium (See; Codosiga), Codonodendron, Codonoeca, Codonomonas, Codonosiga, Codonosigopsis, Codosiga (Syn. Astrosiga, Codonocladium), Colacium, Collodictyon, Colponema, Copromyxa, Corallomyxa, Crucispina, Cruzella, Cryothecomonas, Cryptaulax, Crypthecodinium, Cryptobia, Cryptochrysis, Cryptoglena, Cryptomonas, Cutleria, Cyathomonas, Cyclidiopsis, Cyclomonas, Cyclonexis, Cyrtophora, Cystodinedria, Cystodinium
    [D]
    Dactylospherium, Dallingeria, Dendromonas, Derepyxis, Dermamoeba, Desmarella, Deuteramoeba, Diaphanoeca, Dictyomyxa, Dictyosphaerium, Dictyostelium, Didascalus, Dimastigamoeba, Dimastigella, Dinamoeba, Dinema, Dingensia, Dinoasteromonas, Dinobryon, Dinomonas, Dinophys (Marine species), Diplocalium, Diploeca, Diplomita, Diplopsalis, Diploselmis, Diplosiga (Syn. Codonosigopsis), Diplosigopsis, Diplotheca, Discocelis, Distigma, Distigmopsis, Ditrichomonas, 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]
    Filamoeba, Flabellula, Flamella, Fromentella, Furcilla
    [G]
    Gambierdiscus, Gephyramoeba, Gibbodiscus, Glaeseria, Glenodiniopsis, Glenodinium (Syn. Glenodiniopsis, Stasziecella, Woloszynska), Gloeodinium, Gloidium, Gobiella, Goniodoma, Gonyaulax, Gonyostomum (Syn. Rhaphidomonas), Greeffia, Gringa, Gruberella, Guttulina, 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, Hollandella, Hyaliella, Hyalobryon, Hyalodaktylethra, Hyalodiscus, Hyalogonium, Hyalophacus, Hydramoeba, Hydrurus, Hymenomonas, Hyperamoeba
    [I]
    Ichthyobodo, Iodamoeba, Isonema
    [J]
    Jadwigia, Jakoba, Janickin, Jenningsia
    [K]
    Kamera, Karenia, Katablepharis, Kathablepharis, Katodinium, Kephyrion, Khawkinea, Kibisidytes, Kiitoksia, Klebsiella, Korotnevella
    [L]
    Labyrinthula, Lagenoeca, Lateromyxa, Learamoeba, Lentomonas, Lepocinclis (Syn. Crumenula), Leptomyxa, Leptophrys, Leucodictyon, Leukarachnion, Lingulamoeba, Lithocolla, Luffisphaera
    [M]
    Macappella, Macromastix, Malawimonas, Mallomonas (Syn. Pseudomallomonas), Malpighiella, Marsupiogaster, Martineziella, Massartia, Massisteria, Mastigamoeba (Syn. Mastigina), Mastigella, Mastigina, Mayorella, Megamoebomyxa, Menoidium, Metamoeba, Metachaos, Metopion, Metromonas, Microcometes, Microglena, Micrometopion, Micromonas, Minimassisteria, Monadodendron, Monas (Syn. Physomonas), Monochrysis, Monomorphina, Monosiga, Multicilia, Myxochrysis, Myxodictyum, Myxodinium
    [N]
    Naegleria, Nematodinium, Neobodo, Neoheteromita, Neoparamoeba, Neovahlkampfia, Nephrochloris, Nephroselmis, Nolandella, Notosolenus, Nudifila
    [O]
    Ochromonas, Oikomonas (= Oicomonas), Ophiocytium, Ovalopodium, Ovulinata, Oxyrrhis
    [P]
    Pachysoeca, Palatinella, Pandorina, Parabodo, Paracercomonas, Parachaos, Paraflabellula, Paramastix, Paramoeba (Marine species), Paramonas, Paraphysomonas, Paratetramitus, Paravahlkampfia, Parmidium, Paulinella, Pelomyxa, Peltomonas, Penardia, Pentamonas, Peranema, Percolomonas, Peridiniopsis, Peridinium, Pernina, Pesonella, Petalomonas, Pfiesteria, Phacus, Phaeosphaera, Phalansterium, Phanerobia, Phloxamoeba, Phreatamoeba, Phyllomitus, Phyllomonas, Physomonas, Phytodinium, Placocista, Planodinium, Planoprotostelium, Platyamoeba, Platychrysella, Platypleura, Platytheca, Plectodinium, Pleuromonas, Pleurophrys, Pleurostomum, Ploeotia, Pocheina, Podactinelius, Podostoma, Polychaos, Polykrikos, Polylepidomonas, Polytoma, Polytomella, Pontomyxa, Porochrysis, Postgaardi, Poteriochromonas, Poteriodendron, Proleptomonas, Prorocentrum, Prosoaulax, Protacanthamoeba, Protamoeba, Protaspis (= Protaspa), 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, Reckertia, Reticulamoeba, Reticulomyxa, Rhabdomonas, Rhaphidomonas, Rhipidodendron, Rhizamoeba, Rhizaspis, Rhizochrysis, Rhizomonas, Rhizoplasm, Rhodomonas, Rhynchobodo, Rhynchomonas (Syn. Cruzella), Rigidomastix, Ripella, Rostromonas, Rugipes, Russellia
    [S]
    Sabulodinium, Saccamoeba, Sahnium, Sainouron, Salpingoeca, Salpingorhiza, Saltonella, Sappinia, Saroeca, Savillea, Schewiakoffia, Schizoplasmodiopsis, Schizopyrenus, Sciviamonas, Scrippsiella, Scytomonas, Serpenomonas, Servetia, Siderodendron, Singhamoeba, Sinophysis, Solenodinium, Sphaeripara, Sphaerodinium, Sphaeroeca, Sphaleromantis, Sphenomonas, Spiniferomonas, Spiromonas, Spironema, Spongomonas, Spumella, Stachyamoeba, Stelexomonas, Stenocodon, Stephanacantha, Stephanocodon, Stephanoeca, Stephanomonas, Stephanopogon, Stereonema, Sterromonas, Stigmamoeba, Stoeckeria, Stokesiella, Streptomonas, Strombomonas, Stygamoeba, Stylamoeba, Stylobryon, Stylochrysalis, Stylodinium, Stylopyxis, Symbiodinium, Synamoeba, Syncrypta, Syndinium, Synhemidinium, Synura (Syn. Synuropsis)
    [T]
    Telonema, Tetrablepharis, Tetracilia, Tetramitus, Thalassomyxa, Thaumatomastix, Thaumatomonas, Thecadinium, Thecamoeba, Thecamonas, Theratromyxa, Thorntonius, Togula, Toshiba, Toussetia, Tovellia, Trachelomonas, Tremula, Trentonia, Trepomonas, Trichamoeba, Trichonema, Triflagellum, Trigonomonas, Trimastigamoeba, Trimastix, Trizona, Trochodinium, Tropidoscyphus, Tryanophis, Trypanoplasma
    [U]
    Unda, Urbanella, Urceolus (Syn. Phialonema, Urceolopsis), Uroglena, Uroglenopsis, Urophagus
    [V]
    Vacuolaria (Syn. Coelomonas), Vahlkampfia, Vampyrella, Vampyrellidium, Vampyrelloides, Vannella, Vexillifera, Volvox
    [W]
    Wagnerella, Willaertia, Warnowia, Woloszynskia
    [Z]
    Zygabikodinium

    Heliozoa

    From Dr. Sudzuki

    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), Potamodiscus, Pseudopedinella, Pterocystis
    [R]
    Rabdiophrys, Raphidiophrys (Syn. Sphaerastrum), Raphidocystis (Syn. Choanocystis), Rhaphidiophrys, Rhumbleria
    [S]
    Servetia, Sphaerastrum (See; Raphidiophrys)
    [T]
    Tetradimorpha

    Testacea

    From Dr. Ouchiyama, Kuniyasu

    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, Rhogostoma, 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, Anophryoides, Anophrys, Apiosoma, Apocryptopharynx, Apofrontonia, Apocarchesium, 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), Ballodora, Balladyna (Syn. Balladina), Balladynella (Syn. Balladinella), Banyulsella, Baznosanuia, Belonophrya, Bicoronella, Biholosticha, Biggaria, 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, Certesia, Centrophorella, Chaenea, Chaetospira (Syn. Stichospira), Chasmatostoma, Chilodina, Chilodochona, Chilodonatella, Chilodonella (Syn. Chilodon), Chilodontopsis, Chilophrya, Chlamydodon, Chlamydonella, Chlamydonellopsis, Choanophrya, Choanostoma, Chytridium, Ciliofaurea, Ciliospina, Cinetochilum, Cinetozona, Circinella, Circolagenophrys (Syn. Lagenophrys), Cirranter, Cirrophrya, Cladotricha, Clara, Clathrostoma, Climacocylis, Climacostomum, Clistolagenophrys, Codonaria, Codonella, Codonellopsis, Codonobotrys, Cohnilembus (Syn. Lembus), Coleps, Colpidium, Colpoda, Colpodidium, Cometodendron, Conchophthirus, Conchostoma, Condylostoma, Coniculostomum, Copemetopus, Corlissia, Corticocolpoda, Cosmocolpoda, Cothurnia, Cothurnopsis (Syn. Cothurniopsis), Coxliella, Cranotheridium, Craspedomyoschistion, Craspedonotus, Craspedophrya, Craspedothorax (See; Pseudomicrothorax), Craterella, Cristigera, Crobylura, Crypthecodinium, Cryptophrya, Ctedoctema, Cyclidium, Cyclodonta, Cyclogramma, Cyclophrya, Cyclotrichium, Cymatocylis, Cyrtohymena, Cyrtolophosis, Cyrtostrombidium, Cytharoides, Cyttarocylis
    [D]
    Dactylochlamys, Dactylostoma, Dadayiella, Dapedophrya, Daturella, Deltopylum, Dendrocometes, Dendrocometides, Dendrosoma, Dendrosomides, Deviata, Dexiostoma, Dexiotricha, Dexiotrichides, Diafolliculina, Diaphanosoma, Diceras (See; Diceratula), Diceratula (Syn. Diceras), Dichilum, Dictiocoleps, Dictyocysta, Didinium (Syn. Monodinium), Dileptus, Dimacrocaryon, 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, Erionella, Eschaneustyla, Espejoia, Eufolliculina, Euplotaspis, Euplotes (Syn. Crateromorpha, Euploea, Ploesconia), Euplotidium, Euplotoides, Euplotopsis, Eutintinnus
    [F]
    Fabrea, Favella, Figotintinnus, Frontonia, Fungiphrya, Furgasonia (Syn. Cyclogramma), Fuscheria
    [G]
    Gajewskajophrya, Gastrocirrhus, Gastronauta, Gastrostyla (Syn. Nothopleurotricha), 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), Holostichides, Homalogastra, Homalozoon, Hyalophysa, Hyalospira, Hydrophrya, Hypocoma, Hypophrya, Hypotrichidium (Syn. Peritromoides, Spirofilum), Hysterophrya
    [I]
    Ichthyophthirius, Ileonema (Syn. Monomastix), Intranstylum, Isosticha
    [J]
    Jeannellia
    [K]
    Kahliella (Syn. Kahlia), Kahlilembus, Kalometopia, Kentrophoros (Syn. Centrophorella), Kerona, Keronella, Keronopsis (Syn. Kahliela, Paraholosticha), Kovalevia, Krassniggia, Kreyella, Kuehneltiella, Kuklikophrya
    [L]
    Laackmanniella (See; Codonellopsis), Laboea, Lacazea, Lacerus, Lacrymaria, Lagenophrys, Lagynophrya, Lagynus, Lambornella, 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]
    Magnifolliculina, Malacophrys, Marginotricha, Marituja, Maryna, Maupasia (See; Schewiakoffia), Membranicola, Mesanophrys, Meseres, Mesnilella, Mesodinium, Metacineta, Metacylis, Metacystis, Metafolliculina, Metanophrys, Metastrombidium (Marine species), Metopus, Microcardiosoma, Microchoanostoma, Microdiaphanosoma (Syn. Diaphanosoma), Microregma, Microthorax (Syn. Kreyella), Mirofolliculina, Moneuplotes, Monilicaryon, Monochilum, Monodinium, Mucophrya, Mucotrichidium, Muscipula, Mykophagophrys, Mycterothrix (Syn. Trichorhynchus), Mylestoma, Myoschiston, Myriokaryon, Myrionecta
    [N]
    Nassula, Nassulopsis, Neobursaridium, Neogeneia, Nivaliella, Nolaclusilis, Notohymena, Notoxoma, Novistrombidium, Nuchterleinella, Nyctotheroides, Nyctotherus
    [O]
    Obertrumia, Octocirrus, Odontochlamys, Onychodromopsis, Onychodromus (Syn. Himantophorus), Opercularia, Operculariella, Operculigera, Ophrydiopsis, Ophrydium, Ophryoglena, Opisthostomatella (Syn. Opistostomum), Opisthonecta, Opisthostyla, Opisthotricha (Syn. Opisthiotricha), Orbopercularia, Orbopyxidiella, Orcavia, Orchitophrya, Ormosella, Orthoamphisiella, Orthodonella (Syn. Orthodon), Orthotrochilia, Ovalorhabdos, Oxytricha (Syn. Oxitricha, Histrio, Opisthotricha, Steinia)
    [P]
    Pachyfolliculina, Pachystomos, Palmarella (Syn. Palmarium), Palmarium, Papillorhabdos, Parabakuella, Parablepharisma, Parabryophrya, Parachilodonella, Paracineta, Paracolpidium, Paracolpoda, Paracondylostoma, Paracyclidium, Paradexiotricha, Paradileptus (Syn. Tentaculifera), Paradiophrys, Paraenchelys, Parafavella, Paragastrostyla, Paraglaucoma, Parahistriculus (Syn. Parahistricus), Paraholosticha, Parakahliella, Paralagenophrys, Paralembus, Paramecium (Syn. Paramaecium), Parametopus, Paramphisella, Paranassula, Paranophrys, Parapetalotricha, Paraphilaster, Parapodophrya, Paraspathidium, Parastentor, Parastrongylidium, Parastylonychia, Parastokesia, Parastrombidium (Marine species), Parauronema, Paraurostyla, Paraurotricha, Parazoothamnium, Parentocirrus, Parundella, Paruroleptus, Parurosoma, Pattersoniella, 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, Platyfolliculina, Platynematum, Platyophrya, Plesiotricha (Syn. Uroleptapsis, Uroleptopsis), Pleurochilidium, Pleurofragma (Syn. Mimeticus, Oldesloeria), Pleuronema, Pleuroplites, Pleuroplitoides, Pleurotricha (Syn. Allotricha, Onychodromopsis), Podophrya, Poroecus, Potomacus, Pottsia, Proboveria, Prodiscocephalus, Prodiscophrya, Proplectella, Propyxidium (Syn. Pyxidiella, Pyxidium), Prorodon (Syn. Rhagadostoma), Protocruzia, Protocymatocylis, Protorhabdonella, Protospathidium, Psammocephalus, Pseudoamphisiella, Pseudobalanion, Pseudoblepharisma, Pseudocarchesium, Pseudochilodonopsis, Pseudocohnilembus, Pseudocyrtolophosis, Pseudoenchelys, Pseudogemma, Pseudoglaucoma, Pseudohaplocaulus, Pseudoholophrya, Pseudokahliella, 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, Siroloxophyllum, 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), Spiroprorodon, Spirostomum, Spirozona, Supraspathidium, Stammeridium (Syn. Stammeriella), Stammeriella, Staurophrya, Steenstrupiella, Stegochilum, Steinia, Stenosemella, Stenotrich, Stensomella, Stentofolliculina, 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), Terricirra, Tesnospira, Tetrahymena, Teuthophrys, Thalassiomastix, Thecacineta, Thigmogaster, Thigmokeronopsis, Thuricola, Thuricolopsis, Thylakidium, Thysanomorpha, Tiarina, Tillina, Tintinnidium, Tintinnopsis, Tintinnus, Tokophrya, Tokophryella, Tokophryopsis, Tontonia (Marine species), Trachelius, Trachelocerca (Syn. Gruvelina, Nephrocerca, Protrichophora), Trachelochaeta, Trachelolophos, 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), Tripartiella, 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, Urospina, Urospinula (Syn. Urospina), Urostorngylum, Urostyla, Urotricha (Syn. Balanitozoon), Urozona, Usconophrys
    [V]
    Vaginicola, Vasichona, Vasicola (Syn. Pelamphora), Vorticella
    [W]
    Wallackia, Wenrichia, Wesenbergia, Woodania, Woodruffia
    [X]
    Xystonella, Xystonellopsis
    [Z]
    Zoothamnium, Zosterodasys
  2. Rotifera

    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)
  3. Nematoda

    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, Angustinema, 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, Aspidonema, 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, Ceramotylenchus, 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, Craspedonema, 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, Dorygaster, 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, Epsilonoides, 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, Idiodorylaimus, 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, Marylynnia, 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, Mulveyotus, 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, Notholetus, Nothotylenchus, Notocamacolaimus, Notochaetosoma, Notosabatieria, Notosouthernia, Nuadella, Nudora, Nunema, Nygmatonchus, Nygolaimus (Syn. Laevides)
    [O]
    Octomymermis, Octonchus, Odontobius, Odontocricus, Odontolaimus, Odontophora, Ogma, Ohridius, Oigolaimella, 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, Paralongidorus, 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, Pleurotylenchus, 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, Pterygorhabditis, Ptycholaimellus, Pulchranemella, Punctodera, Punctodora, Pungentus, Pycnolaimus
    [Q]
    Quadricoma, Quadricomoides
    [R]
    Radopholus, Rhabditella, Rhabditis, Rhabdocoma, Rhabdodemania, Rhabdolaimus, Rhabdotoderma, Rhadinema, Rhaptothyreus, Rhinema, Rhinonema, Rhips, Rhodolaimus, Rhynchonema, Rhyssocolpus, Richtersia, Ritenbenkia, Robbea, Rogerus, Rotylenchus, Rotylenchulus, Ruamowhitia
    [S]
    Sabatieria, Sachsium, Sarisodera, Sarsonia, Saveljevia, Scaptrella, Scutylenchus, Seinura, Seleborca, Seriespinula, Serronema, Setoplectus, Sigmophoranema, Sinanema, Siphonolaimus, Sitadevinema, Solenolaimus, Southernia, Southerniella, Sphaeolaimus, Sphaerocephalum, Sphaerolaimus, Sphaerotheristus, Spiliphera, Spilophorella, Spinodesmoscolex, Spiramphinema, Spirinia (Subgenus: Spirinia, Perspiria), Spirobolbolaimus, Spirotheristus, 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, Verutus, Viscosia
    [W]
    Wieseria, Wieserius, Wiesoncholaimus, Wilsonema, Wilsotylus
    [X]
    Xennella, Xenocriconemella, Xenocyatholaimus, Xenolaimus, Xenonema, Xiphinema, Xyala, Xyzzora
    [Z]
    Zeldia, Zygonemella, Zygotylenchus
  4. Oligochaeta

    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, Kawamuria, Kincaidiana, Kopilrok, Krenedrilus, Kurenkovia
    [L]
    Lamprodrilus, Lamprortus, Limnodriloides, Limnodrilus, Lophochaeta, Lumbricillus, Lumbriculus, Lumbricus, Lycodrilides, Lycodrilus, Lymphachaeta
    [M]
    Macquaridriloides, Macrostoma, Magmatodrilu, Marcusaedrilus, Marinellina, Marionina, Martiodrilus, Megascolex, Megascolides, Mesenchytraeus, Mesoporodriluss, Metaphire, Metataxis, Metschaina, Michaelsena, 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