Allonais inaequalis (Stephenson, 1911) (additional source)
Allonais paraguayensis (Michaelsen, 1905) (additional source)
Allonais pectinata (Stephenson, 1910) (additional source)
Amphichaeta leydigii Tauber, 1879 (additional source)
Arcteonais lomondi (Martin, 1907) (additional source)
Arctodrilus wulikensis Brinkhurst & Kathman, 1983 (additional source)
Aulodrilus americanus Brinkhurst & Cook, 1966 (additional source)
Aulodrilus limnobius Bretscher, 1899 (additional source)
Aulodrilus paucichaeta Brinkhurst & Barbour, 1985 (additional source)
Aulodrilus pigueti Kowalewski, 1914 (additional source)
Aulodrilus pluriseta (Piguet, 1906) (additional source)
Aulophorus pectinatus Stephenson, 1931 accepted as Dero (Aulophorus) intermedia Loden & Harman, 1982 accepted as Dero (Aulophorus) lodeni Brinkhurst, 1986 accepted as Aulophorus lodeni (Brinkhurst, 1986) (source of synonymy)
Bothrioneurum vejdovskyanum Štolc, 1886 accepted as Bothrioneuron vejdovskyanum Štolc, 1886 (additional source)
Branchiura sowerbyi Beddard, 1892 (additional source)
Bratislavia bilongata (Chen, 1944) (additional source)
Chaetogaster diaphanus (Gruithuisen, 1828) (additional source)
Chaetogaster diastrophus (Gruithuisen, 1828) (additional source)
Chaetogaster limnaei von Baer, 1827 (additional source)
Chaetogaster setosus Svetlov, 1925 (additional source)
Dero (Aulophorus) intermedia Loden & Harman, 1982 accepted as Dero (Aulophorus) lodeni Brinkhurst, 1986 accepted as Aulophorus lodeni (Brinkhurst, 1986) (source of synonymy)
Dero (Aulophorus) lodeni Brinkhurst, 1986 accepted as Aulophorus lodeni (Brinkhurst, 1986) (original description)
Eclipidrilus (Eclipidrilus) frigidus Eisen, 1881 (additional source)
Eclipidrilus (Leptodrilus) fontanus Wassel, 1984 (additional source)
Eclipidrilus (Leptodrilus) lacustris (Verrill, 1871) (additional source)
Eclipidrilus (Premnodrilus) daneus Cook, 1966 (additional source)
Eclipidrilus (Premnodrilus) palustris (Smith, 1900) (additional source)
Eclipidrilus asymmetricus (Smith, 1896) (additional source)
Haber speciosus (Hrabĕ, 1931) (additional source)
Haemonais waldvogeli Bretscher, 1900 (additional source)
Homochaeta naidina Bretscher, 1896 (additional source)
Ilyodrilus frantzi Brinkhurst, 1965 (additional source)
Ilyodrilus perrieri Eisen, 1879 (additional source)
Ilyodrilus templetoni (Southern, 1909) (additional source)
Isochaetides curvisetosus (Brinkhurst & Cook, 1966) (additional source)
Isochaetides freyi (Brinkhurst, 1965) (additional source)
Kincaidiana freidris Cook, 1966 accepted as Altmanella freidris (Cook, 1966) (additional source)
Kincaidiana hexatheca Altman, 1936 (additional source)
Limnodrilus angustipenis Brinkhurst & Cook, 1966 accepted as Varichaetadrilus angustipenis (Brinkhurst & Cook, 1966) (additional source)
Limnodrilus claparedianus Ratzel, 1868 (additional source)
Limnodrilus hoffmeisteri Claparède, 1862 (additional source)
Limnodrilus maumeensis Brinkhurst & Cook, 1966 (additional source)
Limnodrilus profundicola (Verrill, 1871) (additional source)
Limnodrilus rubripenis Loden, 1977 (additional source)
Limnodrilus silvani Eisen, 1879 (additional source)
Limnodrilus tortilipenis Wetzel, 1987 (additional source)
Limnodrilus udekemianus Claparède, 1862 (additional source)
Lumbriculus ambiguus (Holmquist, 1976) (status source)
Lumbriculus genitosetosus (Holmquist, 1976) (status source)
Lumbriculus inconstans (Smith, 1895) (status source)
Lumbriculus variegatus (Müller, 1774) (additional source)
Nais alpina Sperber, 1948 (additional source)
Nais barbata Müller, 1774 (additional source)
Nais behningi Michaelsen, 1923 (additional source)
Nais bretscheri Michaelsen, 1899 (additional source)
Nais communis Piguet, 1906 (additional source)
Nais elinguis Müller, 1774 (additional source)
Nais magnaseta Harman, 1973 (additional source)
Nais pardalis Piguet, 1906 (additional source)
Nais pseudobtusa Piguet, 1906 (additional source)
Nais simplex Piguet, 1906 (additional source)
Nais variabilis Piguet, 1906 (additional source)
Oligochaeta (identification resource)
Ophidonais serpentina (Müller, 1774) (additional source)
Paranais birsteini Sokolskaya, 1971 (additional source)
Paranais frici Hrabĕ, 1941 (additional source)
Paranais grandis (Harman, 1977) (additional source)
Paranais litoralis (Müller, 1784) (additional source)
Piguetiella blanci (Piguet, 1906) (additional source)
Piguetiella michiganensis Hiltunen, 1967 (additional source)
Potamothrix bavaricus (Oschmann, 1913) (additional source)
Potamothrix bedoti (Piguet, 1913) (additional source)
Potamothrix hammoniensis (Michaelsen, 1901) (additional source)
Potamothrix moldaviensis Vejdovský & Mrázek, 1903 (additional source)
Potamothrix vejdovskyi (Hrabĕ, 1941) (additional source)
Pristina acuminata Liang, 1958 represented as Pristina (Pristinella) acuminata Liang, 1958 (additional source)
Pristina aequiseta Bourne, 1891 represented as Pristina (Pristina) aequiseta Bourne, 1891 (additional source)
Pristina americana Černosvitov, 1937 represented as Pristina (Pristina) americana Černosvitov, 1937 (additional source)
Pristina breviseta Bourne, 1891 represented as Pristina (Pristina) breviseta Bourne, 1891 (additional source)
Pristina jenkinae (Stephenson, 1931) represented as Pristina (Pristinella) jenkinae (Stephenson, 1931) (additional source)
Pristina leidyi Smith, 1896 represented as Pristina (Pristina) leidyi Smith, 1896 (additional source)
Pristina longidentata Harman, 1965 represented as Pristina (Pristinella) longidentata Harman, 1965 accepted as Pristina americana Černosvitov, 1937 represented as Pristina (Pristina) americana Černosvitov, 1937 (additional source)
Pristina longisoma Harman, 1977 represented as Pristina (Pristinella) longisoma Harman, 1977 (additional source)
Pristina osborni (Walton, 1906) represented as Pristina (Pristinella) osborni (Walton, 1906) (additional source)
Pristina plumaseta Turner, 1935 represented as Pristina (Pristina) plumaseta Turner, 1935 (additional source)
Pristina proboscidea Beddard, 1895 represented as Pristina (Pristina) proboscidea Beddard, 1896 (additional source)
Pristina sima (Marcus, 1944) represented as Pristina (Pristinella) sima (Marcus, 1944) (additional source)
Pristina synclites Stephenson, 1925 represented as Pristina (Pristina) synclites Stephenson, 1925 (additional source)
Psammoryctides barbatus (Grube, 1860) (additional source)
Psammoryctides californianus Brinkhurst, 1965 (additional source)
Psammoryctides convolutus Loden, 1978 (additional source)
Quistadrilus multisetosus (Smith, 1900) (additional source)
Rhizodrilus lacteus Smith, 1900 (additional source)
Rhyacodrilus brevidentatus Brinkhurst, 1965 (additional source)
Rhyacodrilus coccineus (Vejdovský, 1876) (additional source)
Rhyacodrilus falciformis Bretscher, 1901 (additional source)
Rhyacodrilus montana (Brinkhurst, 1965) (additional source)
Rhyacodrilus sodalis (Eisen, 1879) (additional source)
Rhynchelmis alaskana Holmquist, 1976 represented as Rhynchelmis (Rhynchelmoides) alaskana Holmquist, 1976 (additional source)
Rhynchelmis brooksi Holmquist, 1976 represented as Rhynchelmis (Rhynchelmoides) brooksi Holmquist, 1976 (additional source)
Rhynchelmis elrodi Smith & Dickey, 1918 represented as Rhynchelmis (Rhynchelmoides) elrodi Smith & Dickey, 1918 (additional source)