Families: Ailoscolecidae - Acanthodrilidae - Almidae - Biwadrilidae - Criodrilidae - Eudrilidae - Glossoscolecidae - Haplotaxidae - Hormogastridae - Komarekionidae - Kynotidae - Lumbricidae - Lutodrilidae - Megascolecidae - Microchaetidae - Moniligastridae - Ocnerodrilidae - Rhinodrilidae - Sparganophilidae - Syngenodrilidae - Tiguassuidae - Tritogeniidae - Tumakidae

Ocnerodrilidae (Beddard, 1891)

• Belladrilus auka (Righi and Mischis, 1999)

Malabarinae (Gates, 1966)

Malabaria (Stephenson, 1924)

• Malabaria biprostata (Aiyer, 1929)
• Malabaria paludicola (Stephenson, 1924)
• Malabaria sulcata (Gates, 1945)

Nannodrilus (Beddard, 1894)

• Nannodrilus africanus (Beddard, 1894)
• Nannodrilus phreoryctes (Michaelsen, 1903)
• Nannodrilus staudei (Michaelsen, 1897)

Nematogenia (Eisen, 1900)

• Nematogenia alba (Gates, 1957)
• Nematogenia dominicana (Gates, 1957)
• Nematogenia josephina (Cognetti, 1904)
• Nematogenia lacuum (Beddard, 1893)
• Nematogenia magna (Gates, 1957)
• Nematogenia montana (Gates, 1957)
• Nematogenia panamaensis (Eisen, 1900)

Ocnerodrilinae (Beddard, 1891)

Aphanascus (Stephenson, 1924)

• Aphanascus oryzivorus (Stephenson, 1924)

Bauba (Righi, 1980)

• Bauba santosi (Righi, 1980)

Belladrilus (Righi, 1984)

• Belladrilus arua (Righi, 1984)
• Belladrilus emilianii (Righi, 1984)
• Belladrilus jimi (Righi, 1984)
• Belladrilus otarion (Righi, 1995)
• Belladrilus pocaju (Righi, 1984)
• Belladrilus vaucheri (Zicsi, 1995)

Chacdrilus (Fragoso and Rojas, 2009)

• Chacdrilus lamnaparvus (Fragoso and Rojas, 2009)
• Chacdrilus veracruzensis (Fragoso and Rojas, 2009)

Curgiona (Gates, 1941)

• Curgiona narayani (Michaelsen, 1921)

Dariodrilus (Righi, Ayres and Bittencourt, 1978)

• Dariodrilus ferrarius (Righi, Ayres and Bittencourt, 1978)

Deccania (Gates, 1949)

• Deccania alba (Gates, 1949)

Diaphorodrilus (Cognetti de Martiis, 1910)

• Diaphorodrilus doriae (Cognetti, 1910)

Dorgiodrilus (Gates, 1962)

• Dorgiodrilus robustus (Beddard, 1892)

Enicmodrilus (Eisen, 1900)

• Enicmodrilus hawaiiensis (Eisen, 1900)

Eukerria (Michaelsen, 1935)

• Eukerria asilis (Righi, 1968)
• Eukerria asuncionis (Rosa, 1895)
• Eukerria borellii (Cognetti, 1900)
• Eukerria cuca (Righi, 1984)
• Eukerria eiseniana (Rosa, 1895)
• Eukerria emete (Righi, 1984)
• Eukerria garmani (Rosa, 1895)
• Eukerria guamais (Righi, 1971)
• Eukerria gunningi (Michaelsen, 1913)
• Eukerria halophila (Beddard, 1892)
• Eukerria hortensis (Stephenson, 1931)
• Eukerria kuekenthali (Michaelsen, 1908)
• Eukerria mucu (Righi, 1988)
• Eukerria nichollsi (Jackson, 1931)
• Eukerria papillifer (Rosa, 1895)
• Eukerria pascuorum (Stephenson, 1931)
• Eukerria peguana (Gates, 1942)
• Eukerria rosae (Beddard, 1895)
• Eukerria saltensis (Beddard, 1895)
• Eukerria santafesina (Ljungstroem, 1972)
• Eukerria spegazzinii (Rosa, 1890)
• Eukerria stagnalis (Kinberg, 1866)
• Eukerria subandina (Rosa, 1895)
• Eukerria taisa (Righi, 1983)
• Eukerria tucumana (Cordero, 1942)
• Eukerria urna (Righi, 1968)
• Eukerria weyenberghi (Cordero, 1942)
• Eukerria zonalis (Eisen, 1893)

Exisdrilus (Righi, Ayres and Bittencourt, 1978)

• Exisdrilus rarus (Righi, Ayres and Bittencourt, 1978)

Filodrilus (Chen, 1938)

• Filodrilus levis (Chen, 1938)

Gatesia (Jamieson, 1962)

• Gatesia unica (Jamieson, 1962)

Gordiodrilus (Beddard, 1892)

• Gordiodrilus bonacanus (Cernosvitov, 1942)
• Gordiodrilus chuni (Michaelsen, 1913)
• Gordiodrilus ditheca (Beddard, 1892)
• Gordiodrilus dominicensis (Beddard, 1892)
• Gordiodrilus elegans (Beddard, 1892)
• Gordiodrilus habessinus (Michaelsen, 1913)
• Gordiodrilus johneni (Michaelsen, 1936)
• Gordiodrilus luykerleni (Michaelsen, 1913)
• Gordiodrilus madagascariensis (Michaelsen, 1907)
• Gordiodrilus marcusi (Righi, 1968)
• Gordiodrilus mobucanus (Cognetti, 1907)
• Gordiodrilus niloticus (Jamieson, 1962)
• Gordiodrilus overlaeti (Michaelsen, 1936)
• Gordiodrilus pampaninii (Baldasseroni, 1913)
• Gordiodrilus papillatus (Beddard, 1901)
• Gordiodrilus paski (Stephenson, 1928)
• Gordiodrilus robustus
• Gordiodrilus schubotzi (Michaelsen, 1915)
• Gordiodrilus siwaensis (Jamieson, 1962)
• Gordiodrilus tenuis (Beddard, 1892)
• Gordiodrilus togoensis (Michaelsen, 1913)
• Gordiodrilus travancorensis (Michaelsen, 1910)
• Gordiodrilus wemanus (Michaelsen, 1937)
• Gordiodrilus worthingtoni (Jamieson, 1962)
• Gordiodrilus zanzibaricus (Beddard, 1894)

Haplodrilus (Eisen, 1900)

• Haplodrilus amazonicus (Righi, 1983)
• Haplodrilus borelli (Rosa, 1895)
• Haplodrilus iheringi (Michaelsen, 1925)
• Haplodrilus tagua (Righi, Ayres and Bittencourt, 1978)

Ilyogenia (Beddard, 1893)

• Ilyogenia africana (Beddard, 1893)
• Ilyogenia agricola (Eisen, 1893)
• Ilyogenia chubbi (Michaelsen, 1909)
• Ilyogenia cunningtoni (Beddard, 1906)

Kerria

• Kerria limosa (Stephenson, 1931)
• Kerria mcdonaldi (Eisen, 1893)
• Kerria rubra (Friend, 1916)
• Kerria selangoriensis (Stephenson, 1931)

Kerriona (Michaelsen, 1926)

• Kerriona garbei (Michaelsen, 1925)
• Kerriona limae (Righi, 1980)
• Kerriona luederwaldti (Michaelsen, 1926)

Liodrilus (Eisen, 1900)

• Liodrilus mendesi (Righi, 1994)

Lourdesia (Righi, 1994)

• Lourdesia paraibaensis (Righi, 1994)

Ocnerodrilus (Eisen, 1878)

• Ocnerodrilus africanus
• Ocnerodrilus alox (Righi and Merino, 1987)
• Ocnerodrilus andinus (Righi, 1981)
• Ocnerodrilus asiaticus (Chen and Hsu, 1975)
• Ocnerodrilus beddardi (Eisen, 1893)
• Ocnerodrilus borellii (Rosa, 1895)
• Ocnerodrilus calwoodi (Michaelsen, 1899)
• Ocnerodrilus christyi (Stephenson, 1928)
• Ocnerodrilus comondui (Eisen, 1900)
• Ocnerodrilus contractus (Eisen, 1893)
• Ocnerodrilus denti (Stephenson, 1930)
• Ocnerodrilus eiseni (Beddard, 1891)
• Ocnerodrilus granviki (Michaelsen, 1921)
• Ocnerodrilus guatemalae (Eisen, 1893)
• Ocnerodrilus hendriei (Eisen, 1893)
• Ocnerodrilus ibemi (Righi, 1968)
• Ocnerodrilus ipu (Righi, 1975)
• Ocnerodrilus jeanneli (Michaelsen, 1914)
• Ocnerodrilus limicola (Eisen, 1893)
• Ocnerodrilus mexicanus (Eisen, 1900)
• Ocnerodrilus michaelseni (Cognetti, 1900)
• Ocnerodrilus occidentalis (Eisen, 1878)
• Ocnerodrilus paraguayensis (Rosa, 1895)
• Ocnerodrilus potyuara (Righi, 1994)
• Ocnerodrilus rosae (Eisen, 1893)
• Ocnerodrilus sabanae (Cognetti, 1905)
• Ocnerodrilus santi (Eisen, 1900)
• Ocnerodrilus simplex (Cognetti, 1904)
• Ocnerodrilus sonorae (Eisen, 1893)
• Ocnerodrilus tenellulus (Gates, 1945)
• Ocnerodrilus tuberculatus (Eisen, 1900)
• Ocnerodrilus xavieri (Eisen, 1900)

Paulistus (Michaelsen, 1925)

• Paulistus taunayi (Michaelsen, 1925)

Phoenicodrilus (Eisen, 1895)

• Phoenicodrilus taste (Eisen, 1895)
• Phoenicodrilus tepicensis (Eisen, 1896)

Pygmaeodrilus (Michaelsen, 1890)

• Pygmaeodrilus aequatorialis (Stephenson, 1930)
• Pygmaeodrilus affinis (Michaelsen, 1892)
• Pygmaeodrilus amapaensis (Righi, 1988)
• Pygmaeodrilus arausionensis (Michaelsen, 1910)
• Pygmaeodrilus bipunctatus (Michaelsen, 1896)
• Pygmaeodrilus bukobensis (Michaelsen, 1892)
• Pygmaeodrilus cavallii (Cognetti, 1906)
• Pygmaeodrilus grawerti (Michaelsen, 1910)
• Pygmaeodrilus kiwuensis (Michaelsen, 1910)
• Pygmaeodrilus moeroensis (Michaelsen, 1915)
• Pygmaeodrilus montanus (Michaelsen, 1907)
• Pygmaeodrilus montiskenyae (Jamieson, 1966)
• Pygmaeodrilus nabugaboensis (Jamieson, 1957)
• Pygmaeodrilus neumanni (Michaelsen, 1903)
• Pygmaeodrilus ngomanus (Michaelsen, 1936)
• Pygmaeodrilus paulae (Michaelsen, 1913)
• Pygmaeodrilus quilimanensis (Michaelsen, 1890)
• Pygmaeodrilus rhodesiensis (Michaelsen, 1913)
• Pygmaeodrilus shireensis (Ljungstroem, 1971)
• Pygmaeodrilus worthingtoni (Jamieson, 1957)

Quechuona (Gates, 1941)

• Quechuona kixo (Righi, 1981)
• Quechuona michaelseni (Jamieson, 1962)
• Quechuona roseni (Michaelsen, 1923)

Tazelaaria (Gates, 1962)

• Tazelaaria africana (Gates, 1962)

Thatonia (Gates, 1942)

• Thatonia bolangirensis (Julka, 1976)
• Thatonia exilis (Gates, 1945)
• Thatonia gracilis (Gates, 1942)
• Thatonia parva (Gates, 1945)
• Thatonia sambalpurensis (Julka, 1976)

Xibaro (Righi, 1981)

• Xibaro ashmolei (Righi, 1981)
• Xibaro lavellei (Zicsi, 1997)
• Xibaro medioporus (Zicsi and Csuzdi, 2002)
• Xibaro pauliani (Zicsi, 1997)