We thank following scientists for quoting some descriptions from their papers.
[B]
Bacescuella (Marine species),
Baikalodrilus,
Bathydrilus (Marine species),
Bdellodrilus,
Bichaeta,
Bimastos,
Biwadrilus,
Bothrioneurum,
Branchiobdella,
Branchiodrilus,
Branchiura,
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,
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 (Marine species),
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,
Magmatodrilus,
Marcusaedrilus,
Marinellina,
Marionina,
Martiodrilus,
Megascolides,
Mesenchytraeus,
Mesoporodriluss,
Metaphire,
Metataxis,
Metschaina,
Microscolex,
Millsonia,
Monadrilus,
Moniligaster,
Monopylephorus,
Monotus
[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,
Tubifex,
Tubificidarum,
Tubificoides,
Tupidrilus
[U]
Uglukodrilus,
Uncinais,
Uniporodrilus (Marine species)
[V]
Vadicola,
Varichaeta,
Varichaetadrilus,
Vejdovskyella,
Vignysa,
Villiersia
[W]
Wapsa
[X]
Xana,
Xironodrilus,
Xironogiton
[Z]
Zironodrilus