| Nominal Species (n = 157) | Present allocation (n = 146) | Ref. |
|---|---|---|
| Tectidrilus achaetus Erséus & Sang, 1985 | Tectidrilus achaetus | 3477 |
| Inanidrilus aduncosetis Erséus, 1984 | Inanidrilus aduncosetis | 3477 |
| Coralliodrilus aequalis Erséus & Davis, 1989 | Coralliodrilus aequalis | 3477 |
| Limnodriloides agnes Hrabe, 1967 | Limnodriloides agnes | 19 |
| Olavius alius Erseus | Olavius alius | 19 |
| Adelodrilus anisosetosus Cook, 1969 | Adelodrilus anisosetosus | 19 |
| Limnodriloides anxius Erséus, 1990 | Limnodriloides anxius | 3477 |
| Nais appendiculata D'udekem, 1855 | Slavina appendiculata | 75097 |
| Limnodriloides appendiculatus Pierantoni, 1904 | Limnodriloides appendiculatus | 19 |
| Smithsonidrilus appositus Erséus, 1990 | Smithsonidrilus appositus | 3477 |
| Nais aralensis Lastookin, 1922 | Nais elinguis | 75097 |
| Lumbricus arenarius Müller, 1776 | Clitellio arenarius | 75097 |
| Jamiesoniella athecata Erséus, 1981 | Jamiesoniella athecata | 3477 |
| Limnodrilus aurantiacus Friend, 1911 | Limnodrilus hoffmeisteri | 75097 |
| Tubifex bavaricus Oschman, 1913 | Potamothrix bavaricus | 75097 |
| Inanidrilus belizensis Erséus, 1984 | Inanidrilus belizensis | 3477 |
| Peloscolex benedeni Udekem | Peloscolex benedeni | 19 |
| Tubificoides bermudae Råsmark & Erséus, 1986 | Tubificoides bermudae | 3477 |
| Thalassodrilus bicki Erséus, 1994 | Thalassodrilus bicki | 3477 |
| Limnodriloides biforis Erséus, 1990 | Limnodriloides biforis | 3477 |
| Heronidrilus bihamis Erséus & Jamieson, 1981 | Heronidrilus bihamis | 3477 |
| Phallodrilus bipartitus Erséus, 1990 | Uniporodrilus bipartitus | 3477 |
| Paranais botniensis Sperber, 1948 | Paranais botniensis | 19 |
| Paupidrilus breviductus Erséus, 1990 | Paupidrilus breviductus | 3477 |
| Thalassodrilides briani Erséus, 1992 | Thalassodrilides briani | 3477 |
| Thalassodrilides bruneti Erséus, 1990 | Thalassodrilides bruneti | 3477 |
| Camptodrilus californicus Eisen, 1886 | Limnodrilus hoffmeisteri | 75097 |
| Aktedrilus cavus Erséus, 1990 | Aktedrilus cavus | 3477 |
| Limnodrilus cervix Brickhurst, 1963 | Limnodrilus cervix | 19 |
| Limnodriloides claviger Erséus, 1982 | Limnodriloides claviger | 3477 |
| Nais communis Piquet, 1906 | Nais communis | 19 |
| Phallodrilus compactus Erséus, 1990 | Milliganius compactus | 3477 |
| Adelodrilus cooki Erseus, 1978 | Adelodrilus cooki | 19 |
| Heterochaeta costata Claparède, 1863 | Heterochaeta costata | 19 |
| Tubificoides crenacoleus Baker, 1983 | Tubificoides crenacoleus | 19 |
| Chaetogaster cristallinus Vejdovsky, 1883 | Chaetogaster diastrophus | 75097 |
| Aktedrilus cuneus Erséus, 1984 | Aktedrilus cuneus | 3477 |
| Tubificoides cuspisetosus Baker, 1983 | Tubificoides cuspisetosus | 19 |
| Phallodrilus darvelli Erséus, 1984 | Pacifidrilus darvelli | 3477 |
| Phallodrilus deminutius Erséus, 1979 | Pectinodrilus deminutius | 3477 |
| Nais diaphana Gruithuisen, 1828 | Chaetogaster diaphanus | 75097 |
| Nais diastrophus Gruithuisen, 1828 | Chaetogaster diastrophus | 75097 |
| Pectinodrilus disparatus Erséus, 1992 | Pectinodrilus disparatus | 3477 |
| Inanidrilus dutchae Erséus & Davis, 1989 | Inanidrilus dutchae | 3477 |
| Bathydrilus edwardsi Erséus, 1984 | Bathydrilus edwardsi | 3477 |
| Bathydrilus egenus Erséus, 1990 | Bathydrilus egenus | 3477 |
| Nais elinguis Müller, 1773 | Nais elinguis | 19 |
| Jamiesoniella enigmatica Erséus, 1990 | Jamiesoniella enigmatica | 3477 |
| Wapsa evelinae Marcus, 1965 | Wapsa evelinae | 19 |
| Bathydrilus exilis Erséus & Davis, 1989 | Bathydrilus exilis | 3477 |
| Gianius eximius Erséus, 1997 | Gianius eximius | 3477 |
| Heronidrilus fastigatus Erséus & Jamieson, 1981 | Heronidrilus fastigatus | 3477 |
| Olavius finitimus Erséus, 1990 | Olavius finitimus | 3477 |
| Heterodrilus flexuosus Erséus, 1990 | Heterodrilus flexuosus | 3477 |
| Aktedrilus floridensis Erséus, 1980 | Aktedrilus floridensis | 3477 |
| Bathydrilus formosus Erséus, 1986 | Bathydrilus formosus | 3477 |
| Limnodriloides fraternus Erséus, 1990 | Limnodriloides fraternus | 3477 |
| Paranais frici Hrabe, 1941 | Paranais frici | 19 |
| Uniporodrilus furcatus Erséus, 1992 | Uniporodrilus furcatus | 3477 |
| Limnodriloides fuscus Erséus, 1984 | Limnodriloides fuscus | 3477 |
| Torodrilus gelidus Erséus & Rota, 1996 | Torodrilus gelidus | 3477 |
| Ainudrilus geminus Erséus, 1990 | Ainudrilus geminus | 3477 |
| Ainudrilus gibsoni Erséus, 1990 | Ainudrilus gibsoni | 3477 |
| Heronidrilus gravidis Erséus, 1990 | Heronidrilus gravidis | 3477 |
| Limnodriloides hawaiiensis Erséus & Davis, 1989 | Limnodriloides hawaiiensis | 3477 |
| Peloscolex heterochaetus Michaelsen | Peloscolex heterochaetus | 19 |
| Limnodrilus hoffmeisteri Claparede, 1862 | Limnodrilus hoffmeisteri | 19 |
| Pectinodrilus hoihaensis Erséus, 1992 | Pectinodrilus hoihaensis | 3477 |
| Heronidrilus hutchingsae Erséus, 1990 | Heronidrilus hutchingsae | 3477 |
| Tubificoides imajimai Brinkhurst, 1985 | Tubificoides imajimai | 3477 |
| Olavius imperfectus Erséus, 1984 | Olavius imperfectus | 3477 |
| Spiridion insigne Knoellner, 1935 | Spiridion insigne | 19 |
| Peloscolex intermedius Cook, 1969 | Tubificoides intermedius | 75097 |
| Smithsonidrilus involutus Erséus, 1990 | Smithsonidrilus involutus | 3477 |
| Marcusaedrilus irregularis Erséus, 1983 | Smithsonidrilus irregularis | 3477 |
| Clitellio irrorata Verrill, 1873 | Monopylephorus irroratus | 75097 |
| Jolydrilus jaulus Marcus, 1965 | Jolydrilus jaulus | 19 |
| Heterodrilus keenani Erseus, 1981 | Heterodrilus keenani | 3477 |
| Tubificoides kozloffi Baker, 1983 | Tubificoides kozloffi | 19 |
| Nereis lacustris Linnaeus, 1767 | Stylaria lacustris | 75097 |
| Limnodriloides lateroporus Erséus, 1997 | Limnodriloides lateroporus | 3477 |
| Chaetogaster limnaei Von Baer, 1827 | Chaetogaster limnaei | 19 |
| Nais litoralis Müller, 1784 | Paranais litoralis | 75097 |
| Aktedrilus locyi Erséus, 1980 | Aktedrilus locyi | 3477 |
| Tubifex longipenis Brinkhurst, 1965 | Tubifex longipenis | 19 |
| Phallodrilus longissimus Giere, 1979 | Olavius longissimus | 3477 |
| Aktedrilus longitubularis Finogenova & Shurova, 1980 | Aktedrilus longitubularis | 3477 |
| Torodrilus lowryi Cook, 1970 | Torodrilus lowryi | 3477 |
| Limnodriloides macinnesi Erséus, 1990 | Limnodriloides macinnesi | 3477 |
| Phallodrilus macmasterae Erséus, 1986 | Phallodriloides macmasterae | 3477 |
| Smithsonidrilus marinus Brinkhurst, 1966 | Smithsonidrilus marinus | 19 |
| Limnodriloides medioporus Cook, 1969 | Limnodriloides medioporus | 19 |
| Wapsa mobilis Liang, 1958 | Paranais frici | 75097 |
| Heterodrilus modestus Erséus, 1990 | Heterodrilus modestus | 3477 |
| Phallodrilus molestus Erséus, 1988 | Pectinodrilus molestus | 3477 |
| Aktedrilus monospermathecus Knollner, 1935 | Aktedrilus monospermathecus | 3477 |
| Aktedrilus mortoni Erséus, 1984 | Aktedrilus mortoni | 3477 |
| Phallodrilus nasutus Erséus, 1990 | Uniporodrilus nasutus | 3477 |
| Tubifex nerthus Michaelsen, 1908 | Tubifex nerthus | 19 |
| Limnodrilus ornatus Eisen, 1879 | Limnodrilus udekemianus | 75097 |
| Isochaeta ovalis Giesbrecht, 1898 | Isochaeta ovalis | 19 |
| Limnodriloides parahastatus Erséus, 1984 | Limnodriloides parahastatus | 3477 |
| Olavius parapellucidus Erséus & Davis, 1989 | Olavius parapellucidus | 3477 |
| Stylaria parasita Schmidt, 1847 | Ripistes parasita | 75097 |
| Phallodrilus parthenopaeus Pierantoni, 1902 | Phallodrilus parthenopaeus | 19 |
| Tubificoides parviductus Helgason & Erséus, 1987 | Tubificoides parviductus | 3477 |
| Aktedrilus parviprostatus Erséus, 1980 | Aktedrilus parviprostatus | 3477 |
| Nais parviseta Walton, 1906 | Nais communis | 75097 |
| Monopylephorus parvus Ditlevesen, 1904 | Monopylephorus parvus | 19 |
| Heterodrilus paucifascis Milligan, 1987 | Heterodrilus paucifascis | 3477 |
| Heterodrilus pentcheffi Erséus, 1981 | Heterodrilus pentcheffi | 3477 |
| Limnodriloides pictoni Erséus, 1984 | Tectidrilus pictoni | 3477 |
| Duridrilus piger Erséus, 1984 | Duridrilus piger | 3477 |
| Olavius pravus Erséus, 1990 | Olavius pravus | 3477 |
| Nereis proboscidea Müller, 1773 | Stylaria lacustris | 75097 |
| Limnodrilus pseudogaster Dahl, 1960 | Tubificoides pseudogaster | 75097 |
| Tubificoides pulvereus Erséus & Davis, 1989 | Tubificoides pulvereus | 3477 |
| Adelodrilus pusillus Erseus, 1978 | Adelodrilus pusillus | 19 |
| Heterodrilus rarus Erséus, 1990 | Heterodrilus rarus | 3477 |
| Inanidrilus reginae Erséus, 1990 | Inanidrilus reginae | 3477 |
| Ripistes rubra Lastockin, 1918 | Ripistes parasita | 75097 |
| Monopylephorus rubroniveus Levinsen, 1884 | Monopylephorus rubroniveus | 19 |
| Coralliodrilus rugosus Erséus, 1990 | Coralliodrilus rugosus | 3477 |
| Rhizodrilus russus Erséus, 1990 | Rhizodrilus russus | 3477 |
| Limnodriloides sacculus Erséus, 1990 | Limnodriloides sacculus | 3477 |
| Amphichaeta sannio Kallstenius, 1892 | Amphichaeta sannio | 19 |
| Inanidrilus scalprum Erséus, 1984 | Inanidrilus scalprum | 3477 |
| Limnodriloides scandinavicus Erseus, 1892 | Limnodriloides scandinavicus | 19 |
| Tubificoides scoticus Brinkhurst, 1985 | Tubificoides scoticus | 19 |
| Nais serpentina Müller, 1773 | Ophidonais serpentina | 75097 |
| Aktedrilus sinensis Erséus, 1984 | Aktedrilus sinensis | 3477 |
| Phallodrilus singularis Erséus, 1990 | Phallodriloides singularis | 3477 |
| Branchiura sowerbyi Beddard, 1892 | Branchiura sowerbyi | 19 |
| Limnodrilus steigerwaldi Eisen, 1879 | Limnodrilus udekemianus | 75097 |
| Tubificoides swirencoides Brinkhurst, 1985 | Tubificoides swirencoides | 19 |
| Ainudrilus taitamensis Erséus, 1990 | Ainudrilus taitamensis | 3477 |
| Olavius tantulus Erséus, 1984 | Olavius tantulus | 3477 |
| Duridrilus tardus Erséus, 1983 | Duridrilus tardus | 3477 |
| Doliodrilus tener Erséus, 1984 | Doliodrilus tener | 3477 |
| Limnodriloides tenuiculus Erséus, 1984 | Smithsonidrilus tenuiculus | 3477 |
| Limnodriloides tenuiductus Erséus, 1982 | Limnodriloides tenuiductus | 3477 |
| Phallodrilus tenuissimus Erséus, 1979 | Olavius tenuissimus | 19 |
| Rossidrilus terraenovae Erséus & Rota, 1996 | Rossidrilus terraenovae | 3477 |
| Limnodriloides toloensis Erséus, 1984 | Limnodriloides toloensis | 3477 |
| Marcusaedrilus tuber Erséus, 1983 | Smithsonidrilus tuber | 3477 |
| Lumbricus tubifex Müller, 1774 | Tubifex tubifex | 75097 |
| Limnodrilus udekemianus Claparede, 1862 | Limnodrilus udekemianus | 19 |
| Nais uncinata Orsted, 1842 | Uncinais uncinata | 75097 |
| Limnodriloides uniampullatus Erséus, 1982 | Limnodriloides uniampullatus | 3477 |
| Olavius vacuus Erséus, 1990 | Olavius vacuus | 3477 |
| Nais variabilis Piquet, 1906 | Nais variabilis | 19 |
| Marcusaedrilus vesiculatus Erséus, 1984 | Smithsonidrilus vesiculatus | 3477 |
| Bathydrilus vetustus Erséus, 1990 | Bathydrilus vetustus | 3477 |
| Phallodrilus vicinus Erséus, 1990 | Peosidrilus vicinus | 3477 |
| Limnodriloides virginiae Erséus, 1982 | Limnodriloides virginiae | 3477 |
| Heterodrilus virilis Erséus, 1992 | Heterodrilus virilis | 3477 |
| Limnodrilus willeyi Nomura, 1913 | Limnodrilus udekemianus | 75097 |