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cabacuensis, Pristina Botea, 1983; Rés. Expéd. Biospéol. C-R Cuba 4: 23; Typus in auctoris collectione.
[N.O.S.S., p. 14]

cabalensis, Andiodrilus Righi, 1996; Stud. Trop. Andean Ecosystems 4(16): 564; ICNB An045, An046,
RNHL 21087.9.

cabigati, Pheretima Y. Hong et James, 2008; Rev. Suisse Zool. 115(2): 344; NMAM [as NMA] 4177.

cabrelli, Goiascolex Righi, 1971; Arq. Zool. 20: 26; DZSP 12. [N.O., p. 83]

cacaois ss. Dichogaster silvestris Righi, 1968; Rev. Brasil Biol. 28(4): 376; DZSP 6. [N.O., p. 83]

cacharensis, Drawida Stephenson, 1926; Rec. Ind. Mus. 28: 251; ZSIC 3194. [N.O., p. 83]

caducichaeta, Perichaeta Benham, 1895; Pheretima, Metaphire; Ann. Nat. Hist. 16: 47; UMOU 1585.
[N.O., p. 83]

caeca var. Nais communis Stephenson, 1910; Rec. Ind. Mus. 5(4): 235, 239; ZSIC 4113. [N.O., p. 83]

caecilia, Nais Mayer, 1859; Verh. Ver. Rheinlande 16: 45. [N.O., p. 83]

caecilia ss. Perichaeta halmapherae Michaelsen, 1896; Pheretima, Amynthas; Abh. Senckenb. Ges. 217;
typus amissus. [N.O., p. 83]

caementerii, Microchaetus Michaelsen, 1917; Zool. Jb. Syst. 41: 321; cf. M. papillatus var. caementerii
Michaelsen, 1913. [N.O., p. 83]

caementerii var. Microchaetus papillatus Michaelsen, 1913; Ann. Natal Mus. 2: 429; ZMUH 7659, 7664,
7761. [N.O., p. 83]

caenosa, Drawida Gates, 1945; J. Roy. Asiatic Soc. Bengal 11: 61: ZSIC 3429. [N.O., p. 83]

caerulea, Drawida Gates, 1926; Rec. Ind. Mus. 28: 143: BMNH 1928:4:2, USNM 19310, ZSIC 3042.
[N.O., p. 83]

caeruleus, Bütneriodrilus Michaelsen, 1935; Rev. Zool. Bot. Afr. 27: 201; ZMUH 12163, MRAC. [N.O., p. 83]

caeruleus, Lumbricus Risso, 1826; Hist. Nat. Eur. Mérid. 4: 427; typus amissus. [N.O., p. 83]

caeruleus, Megascolex Templeton, 1844; Proc. Zool. Soc. Lond. 12: 89; typus amissus. [N.O., p. 83]

caesiticifusca, Dichogaster James, 1996; Zool. Scr. 25(1): 24; KUNH 01017-8.

caffacernis, Dichogaster Michaelsen, 1903; Zool. Jb. Syst. 18: 444; ZMUH 6267. [N.O., p. 83]

cagdianaoensis, Amynthas Aspe et James, 2016; Zool. Studs. 55: 8 {p.22}; Holotype: NMA 4596;
paratypi non designati; ZooBank.^

cagnii, Dichogaster Cognetti, 1906; Boll. Mus. Torino 21: 2; MZUT 55, ZMUH 3285. [N.O., p. 83]

cai var. Pheretima inflata Michaelsen, 1916; Metaphire; Ark. Zool. 10(1): 14; NHRS 153, ZMUH 8503.
[N.O., p. 83]

calabarensis, Dichogaster Csuzdi, 2000; Opsuc. Zool. Budapest 32: 56; BMNH 1985.4.4, 1985.4.5–6,
HNHM AF/3317.

calakmulensis, Mayadrilus Fragoso et Rojas, 1994; Megadrilogica 6(1): 9; holotypus et 13 paratypi in
auctoris collectione (Fragoso) – FA124, FA125–136.

calarensis, Octolasium Tétry, 1944; Kritodrilus; Bull. Mus. Nat. Hist. Nat. 16: 179. [N.O., p. 83]

calcicola, Prosellodrilus Qiu et Bouché, 1998; Doc. Pédozool. Intégrol. 4(5): 54; OECO 125/ 2765/2195.

calculatus, Amynthas Y. Hong et James, 2009; J. Nat. Hist. 43(21-22): 1246; NIBR IV0000120471
[no paratypes].

calebi, Drawida Gates, 1945; Proc. Ind. Acad. Sci. (B), 21(4): 211; typus amissus. [N.O., p. 83]

caledonensis ss. Chilota sparrensis Pickford, 1937; Monogr. Acantho., p. 447; typus amissus. [N.O., p. 83]

californiana, Diplocardia James, 1994; Proc. Biol. Soc. Wash. 107(4): 622; USNM 169803, 169804.

californianus, Psammoryctides Brinkhurst, 1965; Proc. Acad. Nat. Sci. Phila. 117(4): 125; USNM 32662.
[N.O., p. 83]

californianus, Stylodrilus P. Rodriguez, 1996; Hydrobiologia 333(3): 162; USNM 173717–173719,
MNCN 16.03/3023.

californica, Fridericia Eisen, 1905; Harriman Alaska Exped. 12: 119; CASF. [N.O., p. 83]

californica, Henlea Eisen, 1905; Harriman Alaska Exped. 12: 99; CASF. [N.O., p. 83]

californica, Pheretima Kinberg, 1867; Metaphire; Öfv. Akad. Förh. 23: 102; NHRS 160; [lapsus
calami pro: californica, Pheretima Kinberg, 1866, N.O., p. 83; Kinberg, 1867, N.O.S.P., p. 30]

californicus, Camptodrilus Eisen, 1879; Clitellio, Limnodrilus; Bih. Svenska Akad. 5: 22; typus amissus.
[N.O., pp. 83-84]

caliginosum, Enterion Savigny, 1826; Lumbricus, Helodrilus, Allolobophora, Nicodrilus; Mém. Acad. Sci.
Inst. Fr. 5: 180; MHNG 3/77, MNHN; et caliginosa. [N.O., p. 84]

calimae, Quimbaya Zicsi et Martinez, 2002; Ber. Nat.-Med. Verein Inns. 89: 112; TIUB AF/3656, AF/3686.

callaina, Dichogaster James, 1996; Zool. Scr. 25(1): 25; KUNH 01003-04.

callasensis, Vignysa Gérard, Decaëns et Marchán, 2023; Zoosystema 45 (23): 759; Holotype:MNHN (BOLD Sample ID: DFM-1062); paratypes: Eco&Sols (BOLD Sample ID: DFM-1061, DFM-1065, SG-0057, SG-0058); MNHN (BOLD Sample ID: DFM-1064, DFM-1063; SG-0059, SG-0060); ZooBank.^

callichaeta, Woodwardia Michaelsen, 1907; Fauna Südwest-Aust. 1(2): 189; WAMP 4433, MNHU 4231,
ZMUH 7108. [N.O., p. 84]

callichaetus, Anteus Michaelsen, 1892; Rhinodrilus; Arch. Naturg. 58: 220; typus amissus. [N.O., p. 84]

callichaetus, Platydrilus Michaelsen, 1891; Mitt. Mus. Hamb. 9: 15; typus amissus. [N.O., p. 84]

callosa, Pheretima Gates, 1937; Bull. Mus. Cornp. Zool. 80: 313; typus amissus. [N.O., p. 84]

callosus, Eutyphoeus Gates, 1938; Rec. Ind. Mus. 40: 67; ZSIC 3325. [N.O., p. 84]

callosus, Mesenchytraeus Eisen, 1878; Öfv. Akad. Förh. 35(3): 68; NHRS 121. [N.O., p. 84]

callosus, Neoenchytraeus Eisen, 1878; Enchytraeus, Fridericia; Öfv. Akad. Förh. 35(3): 76. [N.O., p. 84];
nunc Fridericia callosa (Eisen, 1878) [see Schmelz, 2003; Abhandl. Naturwiss. Ver. Hamburg (NF) 38: 144]

calpetana, Anisochaeta Blakemore, 2000; Rec. Aust. Mus. 51(1): 15; AMSS W24563, ANIC RB.98.2.59.

calvasaxea, Anisochaeta Blakemore, 2000; Rec. Aust. Mus. 51(1): 17; AMSS W24572-5, ANIC RB.98.2.61-2.

calvescentis, Tubificoides Erséus, Giere, Dreyer et Bailey-Brock, 2005; Proc. Biol. Soc. Wash. 118(2): 265;
USNM 1010063–0064; SMNH Type Coll. 5743, 5744.

calvus, Teneridrilus Erséus et Brinkhurst, 1990; Proc. Biol. Soc. Wash. 103(4): 841; USNM 123377,
123378–80. [N.O.S.T., p. 13] ^

calwoodi, Ocnerodrilus Michaelsen, 1899; Zool. Jb. Syst. 12: 131; typus amissus. [N.O., p. 84]

calwoodi ss. Trigaster lankesteri Michaelsen, 1900; Arch. Naturg. 66: 235; typus amissus. [N.O., p. 84]

calyx, Mesenchytraeus Dózsa-Farkas, Feldföldi et Y. Hong, 2015; Zootaxa 4006(1): 186; NIBR
NIBRIV0000320525 (slide No. 1173 a+b), NIBRIV0000320526 (slide No. 2005), NIBRIV0000320527;
TIUB P.107.1–107.2 (slides No. 1156a+b, 2002a+b); P.107.3–107.8 (slides No. 1149a+b, 1155a+b,
1157a+b, 1162a+b, 1163a+b, 2003a+b); P.107.9–107.10 (slides No. 1181, 2004a+b); P.107.11
(slide No. 2006). ZooBank. ^

camachoi, Monopylephorus P. Rodriguez, 1999; Hydrobiologia 406: 50; MNCN 16.03/3024
[holotypus et 3 paratypi, all with same accession no.].

camachoi, Parvidrilus Martínez-Ansemil et Samburgar, 2012; Zool. J. Linn. Soc. 166: 538;
MNCN 16.03/3070.

camanoporophorata, Pheretima Thai, 1982; Zool. Zh. 61(6): 825; ZMUM. [N.O.S.S., p. 14]

camaqua, Guarani C. Rodriguez et Rodrigues de Lima, 2007; Megadrilogica 11(2): 11; holotypus et
4 paratypi in auctoris collectione (Rodriguez) ACRL 001, ACRL 002–005.^
[see Mısırlıoğlu et al. 2023 – Zootaxa 5255(1): 417–438, in which G. camaqua is reinstated and removed
from synonymy with Criodrilus lacuum Hoffmeister, 1845].^

camarinensis, Pheretima Y. Hong et James, 2009; Zootaxa 2059: 38; NMAM [as NMA] 004317, 004322,
KMNH [as KUNHM] 003013.

cambrensis, Hemienchytraeus O’Connor, 1958; Marionina; Oikos 9: 272, BMNH 1964:8:1:41. [N.O., p. 84]

cambria, Allolobophora Ribacourt, 1896; Rev. Suisse Zool. 4: 46. [N.O., p. 84]

cambrica, Allolobophora Friend, 1892; Aporrectodea; Essex Nat. 5: 170; typus amissus;
vide A. chlorotica f. cambrica Friend, 1923. [N.O., p. 84]

cambrica f. Allolobophora chlorotica Friend, 1923; Brit. Earthworms, p. 40; pro: A. cambrica Friend, 1892.
[N.O., p. 84]

camdenensis, Notoscolex Fletcher, 1886; Proc. Linn. Soc. N.S. Wales 1: 456. [N.O., p. 84]

cameliae, Rhinodrilus Michaelsen, 1913; Thamnodrilus, Quimbaya; Mém. Soc. Neuchâtel. Sci. Nat. (n.s.)
5: 224; BMNH 1927:9:5:6, ZMUH 7747. [N.O., p. 84]

camerani, Anachaeta Cognetti, 1899; Achaeta; Boll. Mus. Torino 14: 2. [N.O., p. 84]

camerani, Dendrobaena Rosa, 1882; Atti Acad. Torino 18: 172. [N.O., p. 84]

camerani, Tubijex Visart, 1901; Boll. Mus. Torino 16(387): 1. [N.O., p. 84]

cameroni, Megascolides Spencer, 1892; Cryptodrilus; Proc. Roy. Soc. Vict. 4: 144; NMVA 167, 14390.
[N.O., p. 84]

cameroni var. Pheretima indica Stephenson, 1932; Amynthas; Bull. Raffles Mus. 7: 47; BMNH 1932:3:30:10.
[N.O., p. 84]

camerunensis, Rosadrilus Cognetti, 1909; Ann. Mus. Wien 22: 312. [N.O., p. 84]

campanulata, Perichaeta Rosa, 1890; Pheretima, Metaphire; Ann. Mus. Genova (2), 30: 115; MGDG 44018.
[N.O., p. 84]

camiguinensis, Pheretima (Pheretima) Aspe et James, 2016; Zool. Studs. 55: 8 {p.14};
Holotype: NMA 4591; paratypes: NMA 4607 (n=9), ZRC.ANN 0060 (n=9); ZooBank.^

campanulatus, Tubifex Eisen, 1879; Bih. Svenska Akad. 5: 16; typus amissus. [N.O., p. 84]

campbellianus, Notiodrilus Benham, 1905; Microscolex; Trans. N.Z. Inst. 87: 288; OMNZ A.56.24.
[N.O., p. 84]

campbellianus, Phreodrilus Benham, 1909; Hesperodrilus, Insulodrilus, Astacopsidrilus; Subant. Is. N.Z.
1: 256; typus amissus. [N.O., p. 84]; OMNZ [as OM] A69.38-39 {see Pinder and Brinkhurst, 1997:
Invert. Taxon. 11(3): 505}

camperunensis, Rosadrilus Cognetti, 1909; Boll. Mus. Torino 24(604): 2. [N.O., p. 84]

campester, Megascolex Stephenson, 1915; Mem. Ind. Mus. 6: 78; ZSIC 6186. [N.O., p. 84]

campestris, Cryptodrilus Spencer, 1895; Notoscolex; Proc. Roy. Soc. Vict. 7: 39; NMVA 48. [N.O., p. 84]

campestris, Lumbricus Hutton, 1877; Digaster, Dygaster, Endrilus; Trans. N.Z. Inst. 9: 351; OMNZ A.56.20.
[N.O., p. 84]

campestris, Perichaeta Goto et Hatai, 1898; Amynthas; Annat. Zool. Japan. 2: 67. [N.O., p. 84]

campestris, Pheretima K. Lee, 1952; Amynthas; Trans. Roy. Soc. N.Z. 80: 39; non P. campestris Goto et
Hatai, 1898. [N.O.S.P., p. 20]

campoii, Scherotheca Lainez et Jordana, 1983; Megadrilogica 4(4); 90; ZMUN ES.14. [N.O.S.S., p. 14]

campestris var. Glossoscolex maximus Michaelsen, 1925; Zool. Jb. Syst. 51: 289; typus amissus.
[N.O., p. 84]

campoyi ss. Trichodrilus strandi Rodriguez, 1988; Ann. Limnol. 24(3): 209; typus incognitus.

campsiaulus, Plutellus Stephenson, 1924; Rec. Ind. Mus. 26: 328; BMNH 1933:2:23:388, ZSIC 1113,
JWRC 3439. [N.O., p. 84]; typus translatus ad NMNS 1978-261 (= JWRC 3439). [N.O.S.P., p. 30]

cana, Marionina Marcus, Er., 1965; Beitr. Neotrop. Fauna 4: 71; EMOC 082-089. [N.O., p. 84]

canadensis, Fridericia Dash, 1972; Ann. Zool. Fenn. 9(1): 15; NMNS 1900.2920. [N.O.S.S., p. 14]

canadensis, Marionina Dash, 1970; Can. J. Zool. 48: 1431; NMNS 3428-9, 3436. [N.O., p. 84]

canadensis, Peloscolex Brinkhurst, 1965; Proc. Acad. Nat. Sci. Phila. 117(4): 135; USNM 32552, 32599,
32601. [N.O., p. 84]

canadensis, Saenuris Nicholson, 1873; Can. J. Sci. Lit. Hist. 13(6): 498; typus amissus. [N.O., p. 84]

canalanus, Acanthodrilus Michaelsen, 1913; Nova Caladonia 1(3): 195; ZMUH 8030, USNM 21032.
[N.O., p. 84]

canaliculata, Perichaeta Fletcher, 1887; Megascolex, Diporochaeta; Proc. Linn. Soc. N.S. Wales 2: 391.
[N.O., p. 84]

canaliculata, Pheretima Gates, 1932; Amynthas; Rec. Ind. Mus. 34: 408; ZSIC 3088. [N.O., p. 84]

canaliculatus, Cryptodrilus Fletcher, 1889; Plutellus; Proc. Linn. Soc. N.S. Wales 3: 1534; AMSS 1373.
[N.O., p. 84]

canaliculatus, Vesiculodrilus Blakemore, 2000; Tasmanian Earthworms, p. 86; QVMA 14: 3786, 3787.

canaria, Grania Rota et Erséus, 2003; Sarsia 88: 213; ZMUA [as ZMA] V.OL 9344, NHRS [as SMNH] Type
Coll. 5710, 5711.

candida, Perichaeta Goto et Hatai, 1898; Pheretima, Amynthas; Annat. Zool. Japan. 2: 77. [N.O., p. 84]

candidus, Plutellus Jackson, 1931; J. Roy. Soc. W. Aust. 17: 90. [N.O., p. 85]

caneasia var. Eisenia nordenskjoldi Michaelsen, 1907; Mitt. Kauk. Mus. 3(2-3): 82; ZMUH 6959. [N.O., p. 85]

cannibalus, Chaetogaster Semernoy, 1985; Baikalian Fauna, Novosibirsk 1: 28; ZIAS 43361.
[N.O.S.S., p. 14]

cantabrica, Fendia Rodriguez, 2023; Zootaxa 5306(4):482; Holotype: MNCN16.03/3155;
paratypes: MNCN16.03/3156-16.03/3158, MNCN16.03/3159-16.03/3160, MNCN16.03/3161-16.03/3171).^

cantabrigiensis, Phreatothrix Beddard, 1908; Trichodrilus; Proc. Zool. Soc. Lond., 1908, p. 365; UZMC,
BMNH 1920:10:4:1-5. [N.O., p. 85]

cantabronensis, Haplotaxis Delay, 1973; Annls. Spéléol. 28(3): 409. [N.O.S.S., p. 14]

capcorsana, Scherotheca Marchán, Decaëns et Domínguez, 2023; Zoosystema 45(3): 118; Holotype: BOLD Sample ID: DFM-0123; MNHN; paratypes: • BOLD Sample ID: DFM-0124, DFM-0135; Eco&Sols; • BOLD Sample ID: DFM-0125, DFM-0136, DFM-0138; MNHN. ZooBank.^

capella, Diplotrema Blakemore, 1997; J. Nat. Hist. 31(12): 1795; typi in auctoris collectione RB.94.6.1,
RB.94.6.2(P1), RB.94.6.3(P2–P15), RB.94.6.4(P16–18), RB.94.6.5, RB.94.6.6(P19, P20).

capensis, Acanthodrilus Beddard, 1885; Proc. Phys. Soc. Edinb. 8: 370. [N.O., p. 85]

capensis, Amyntas Michaelsen, 1899; Pheretima, Metaphire; Mitt. Mus. Hamb. 16: 92; typus amissus.
[N.O., p. 85]

capensis, Grania Prantoni, De Wit et Erséus, 2016; J. Linn. Soc. 176: 493; SAMC A82474
(COI barcode sequence, GenBank acc. no. KT428104); SAMC A82475. ^

capensis, Lumbricus Kinberg, 1867; Öfv. Akad. Förh. 23: 100; NHRS 1938. [N.O., p. 85]; typus quoque
locatus in BMNH 1904.10.5.549. [N.O.S.P., p. 30]

capensis, Megascolex Horst, 1883; Perichaeta, Pheretima; Notes Leyden Mus. 4: 195; RNHL 1890.
[N.O., p. 85]

capensis, Perionychella Jamieson, 1974; Retrovescus; Bull. Brit. Mus. Nat. Hist. (Zool.) 26(4): 225;
TMHA [as TM] K259, BMNH [as BM]1972:8:3, BGMJ TI – in auctoris collectione. [N.O., p. 85]

capensis ss. Perichaeta fasciata Michaelsen, 1896; Pheretima, Metaphire; Abh. Senckenb. Ges. 23: 234;
typus amissus. [N.O., p. 85]

capensis ss. Perichaeta sumatrana Michaelsen, 1896; Pheretima, Metaphire; Abh. Senckenb. Ges. 23: 234;
typus amissus. [N.O., p. 85]

capensis ss. Perichaeta willeyi Michaelsen, 1896; Pheretima, Metaphire; Abh. Senckenb. Ges. 23: 234;
typus amissus. [N.O., p. 85]

capestris, Cryptodrilus Spencer, 1892; Proc. Roy. Soc. Vict. (n.s.) 4: 138; NMVA 48. [N.O., p. 85]

capiliseta, Pristina Kondo, 1936; Annot. Zool. Japon. 15: 388. [N.O., p. 85]

capillatus var. llyodrilus frantzi Brinkhurst et Cook, 1966; Proc. Acad. Nat. Sci. Phila. 117(4): 132;
USNM 32995-6. [N.O., p. 85]

capilliformis, Trichodrilus P. Rodriguez et Giani, 1994; Zool. Scr. 23(1): 38; MNCN 16.03/3008,
USNM 168045.

capilliseta, Benhamia Omodeo, 1963; Mém. Inst. Franç. Afr. N. 58: 57. [N.O., p. 85]

capillus, Olavius Erséus, 1997; Proc. 7^th Intl. Mar. Biol. Wksp., p. 426; WAMP [as WAM] 137-96
[no paratypes].

capitiatus, Enchytraeus Bülow, 1957; Kieler Meersf.13:69. [N.O., p. 85]

capitmagnus, Irewiae Drachenberg, [1989] 1992; Bolm. Zool. Univ. S. Paulo 13: 2; typus non designatus [although sections of specimens used in the description were assigned the following numbers (MBUCV-XIII-00230, MBUCV-XIII-00231), no wording specifically referenced these specimens as types].

caprensis, Nais Bell, 1947; Fridericia; Trans. Amer. Micros. Soc. 66: 195. [N.O., p. 85]

capricornae, Marcusaedrilus Erséus, 1983; Zool. Scripta 12(1): 31; QMBA GH. 869­–73. [N.O.S.S., p. 14]

caraibicus, Aulophorus Michaelsen, 1933; Zool. Jb. Syst. 64: 338; ZMUH 11719. [N.O., p. 85]

caraibicus ss. Phallodrilus adriaticus Righi et Kanner, 1979; Stud. Fauna Curaçao 58(182): 62; DZSP 386.
[N.O.S.P., p. 20]

caraibensis, Dichogaster James et Gamiette, 2016; Zootaxa 4178(3): 394; MNHN HEL592, MNHN HEL593;
ZooBank. ^

caramuru, Holoscolex Righi, 1975; Stud. Neotrop. Fauna 10: 83; DZSP 346. [N.O., p. 85]

carchinii, Grania Rota et Erséus, 1996; Antarctic Sci. 8(2): 175; MCZR OLIGOCHAETA 0057, 0058.

carcinophilus, Enchytraeus Baylis, 1915; Brit. Antarct. Exped. 1910 (Zool.) 2: 13. [N.O., p. 85]

caribaea, Randiella Erséus et Strehlow, 1986; Zool. Scripta 15(1): 57; MNHN AZ. 49–51. [N.O.S.S., p. 14]

caribensis, Lumbriculus Botea, 1983; Rés. Expéd. Biospéol. C-R Cuba 4: 21; Typus in auctoris collectione.
[N.O.S.S., p. 14]

carinatus, Heterodrilus Erséus et H-Z. Wang, 2003; Proc. 12^th Intl. Mar. Biol. Wksp., p. 375; WAMP
as WAM] V4309.

carinensis, Perichaeta Rosa, 1890; Pheretima, Amynthas; Ann. Mus. Genova (2),30: 107; MGDG 44014,
MZUT 150, MNHU 2275. [N.O., p. 85]

carmichaeli, Fridericia Stephenson, 1915; Mem. Ind. Mus. 6: 47; ZSIC 6931. [N.O., p. 85]

carnea, Acanthodrilus Beddard, 1895; Proc. Zool. Soc. Lond., 1895, p. 221; BMNH 1904:10:5:831,
USNM 21016. [N.O., p. 85]

carnea var. Eisenia rosea Friend, 1911; Zoologist (4),15: 189; nom. nud. [N.O., p. 85]

carneum, Enterion Savigny, 1826; Lumbricus; Mém. Acad. Sci. Inst. Fr. 5: 180; typus amissus. [N.O., p. 85]

carneus, Plutellus Michaelsen, 1907; Fauna Südwest-Aust. 1(2): 182; ZMUH 7106. [N.O., p. 85]

carneus, Sparganophilus Eisen, 1896; Mem. Calif. Acad. Sci. 2(5): 168; typus amissus. [N.O., p. 85]

carneus ss. Lumbricus communis Hoffmeister, 1845; Regenwiirmer, p. 28; typus amissus. [N.O., p. 85]

carnivorus, Haplotaxis Omodeo, 1958; Pelodrilus; Mém. Inst. Franç. Afr. N. 53: 9; nom. nud. [N.O., p. 85]

carnivorus, Metataxis Omodeo, 1987; Hydrobiologia 155:9; MCZR. (= Pelodrilus carnivorus Omodeo, 1958;
nom. nud., vide N.O., p. 85) [N.O.S.S., p. 14]

carochensis, Nicodrilus Onteniente et Babió, 2002; J. Nat. Hist. 36(5): 520; MVHN, typus non designatus/enumeratus.

carnosa, Perichaeta Goto et Hatai, 1899; Pheretima, Amynthas; Annot. Zool. Japon. 3: 15. [N.O., p. 85]

carnosus, Maoridrilus K. Lee, 1959; Bull. N.Z. Dept. Sci. Industr. Res., no. 130: 198; SBNZ. [N.O., p. 85]

carolina, Nais Blanchard, 1849; Gay, Hist. Chile 2: 39; typus amissus. [N.O., p. 85]

carolinae, Microscolex Eisen, 1900; Proc. Calif. Acad. Sci. 2: 154. [N.O., p. 85]

carolinensis, Eisenia Michaelsen, 1910; Helodrilus, Eisenoides; Ann. Mus. St.-Pétersb. 15: 15; ZMUH 5893. [N.O., p. 85]

carolinensis, Grania Prantoni, De Wit et Erséus, 2016; J. Linn. Soc. 176: 501; USNM 1283174 (COI barcode sequence, GenBank acc. no. KT428112); no paratypes. ^

carolinensis, Martinidrilus Fend et Lenat, 2007; Zootaxa 1666: 10; USNM 1107794, 1107795-1107801.

carolinensis, Peloscolex Brinkhurst, 1965; Proc. Acad. Nat. Sci. Phila. 117(4): 137; USNM 32632, 32638, AMNH 3665, BMNH 1964:15:15. [N.O., p. 85]

carolinensis, Pheretima Michaelsen, 1910; Metapheretima; Mitt. Mus. Hamb. 27(2): 105; typus amissus. [N.O., p. 85]; typus locatus in ZMUH 3310. [N.O.S.P., p. 30]

caroliniana ss. Diplocardia singularis Eisen, 1899; Zool. Bull. 2: 172; USNM 35911. [N.O., p. 85]

carolinianus, Microscolex Eisen, 1900; Proc. Calif. Acad. Sci. (3),2: 159; typus amissus. [N.O., p. 85]

carolinianus var. Microscolex parvus Eisen, 1900; Proc. Calif. Acad. Sci. 2: 156. [N.O., p. 85]

carpatica, Allolobophora Cognetti, 1927; Boll. Mus. Genova (2), 7(10): 5; NMPC III-I-1. [N.O., p. 85]

carpatica, Cernosvitoviella Nielsen et Christensen, 1959; Nat. Jutl. 8-9: 39; nom. nov. pro: Marionina atratus Bretscher, 1903 sensu Černosvitov, 1928, nec Bretscher, 1903. [N.O., p. 85]; Typus amissus.¹

carpathica ss. Fridericia magna Botea, 1973; Tray. Inst. Spéol. E. Racovitza 12: 97; typus in auctoris collectione. [N.O.S.P., p. 20]

carpathicus ss. Lamprodrilus michaelseni Botea, 1978; Tray. Inst. Spéol, E. Racovitzal Z: 9; typus in
auctoris collectione. [N.O.S.P., p. 20]

carpetana, Eiseniona Alvarez, 1970; Allolobophora; Bol. R. Soc. Españ. Hist. Nat. (Biol.) 68: 20;
IEEM 3221-4. [N.O., p. 85]

carsevenica, Diachaeta Černosvitov, 1934; Bull. Mus. Nat. Hist. Nat. (2), 6: 55; BMNH 1955:12:1:64–5.
[N.O., p. 85]

carsticus, Rhyacodrilus Košel, 1980; Biol. Brat. 35(8): 609; SNMB 259–60. [N.O.S.S., p. 14]

carterensis, Inanidrilus Erséus, 1984; Zool. Scripta 13(4): 243; AMSS 198545–46. [N.O.S.S., p. 14]

carteri, Aulophorus Stephenson, 1931; J. Linn. Soc. Lond. 37: 303; BMNH 1930:7:30:50. [N.O., p. 85]

cascadensis, Megascolides F. Smith, 1937; Proc. U.S. Nat. Mus. 84(3009): 164; USNM 20243.
[N.O., pp. 85-86]

caspicus, llyodrilus Lastočkin, 1937; Euilyodrilus, Potamothrix; C.-R. Acad. Sci. Mosc. (n.s.) 17: 234. [N.O., p. 86]

casta, Mulierula Timm, 1995; Proc. Eston. Acad. Sci. Biol. 44(3/4): 85; VLSR 20-1.

castanea, Benhamia Michaelsen, 1896; D.-O. Afr. 4: 30; MNHU 2447. [N.O., p. 86]

castaneoides ss. Lumbricus rubellus Bouché, 1972; Inst. Nat. Rech. Agron., p. 371; OECO 77-1028-2671. [N.O., p. 86]

castaneum, Enterion Savigny, 1826; Lumbricus; Mém. Acad. Sci. Inst. Fr. 5: 180; typus amissus. [N.O., p. 86]

castaneus, Amyntas Michaelsen, 1899; Pheretima; Mitt. Mus. Hamb. 16: 56; typus amissus. [N.O., p. 86]

castellanus, Octochaetus Stephenson, 1917; Rec. Ind. Mus. 13: 407; ZSIC 134, BMNH 1933:5:25:877–80. [N.O., p. 86]

castelli var. Acanthodrilus purcelli Michaelsen, 1913; Zool. Jb. Syst. 34: 494; typus amissus. [N.O., p. 86]

castelli var. Eodrilus drygalskii Michaelsen, 1913; Ann. S. Afr. Mus. 13: 48; ZMUH 7479, 7846. [N.O., p. 86]

castillana, Hormogaster Qiu et Bouché, 1998; Doc. Pédozool. Intégrol. 4(15): 174; OECO 2776/ 6075.

castilloi, Pheretima James et Y. Hong, 2004; Rev. Suisse Zool. 111(1): 6; NMAM 0003743, 0003748, FMNH 10014, NHMG 34809.

caswellae, Albanidrilus Erséus, 1997; Proc. 6^th Intl. Mar. Biol. Wksp., p. 111; NTMD [as NTM] Wo 0031, Wo 0032, NHRS [as NHRS] Type Coll. 4689. ^

caswelli, Diporochaeta K. Lee, 1959; Bull. N .Z. Dept. Sci. lndustr. Res., no. 130: 270; CMNZ. [N.O., p. 86]

catalaunensis, Hormogaster Qiu et Bouché, 1998; Doc. Pédozool. Intégrol. 4(15):171; OECO 209/ 2791/6061.

catalaunensis ss. Allolobophora sardonica Bouché, 1972; Inst. Nat. Rech. Agron., p. 450; OECO 94-1442-0445. [N.O., p. 86]

catanensis, Epitlielphusa Drago, 1887; Pachydrilus, Lumbricillus; Bull. Soc. Ent. Ital. 19: 81. [N.O., p. 86]

cataractus, Megascolides Blakemore, 2000; Tasmanian Earthworms, p. 233; QVMA 14: 1442, ANIC RB.00.1.11.

catarrhactae, Alma Michaelsen, 1935; Rev. Zool. Bot. Afr. 27: 50; ZMUH 12175. [N.O., p. 86]

catenastagnis, Megascolides Blakemore, 2000; Tasmanian Earthworms, p. 235; QVMA 14: 670, ANIC RB.1.28.

catenatus, Amynthas T.T. Nguyen, Lam, Trinh et A.D. Nguyen, 2020; ZooKeys 932: 14; Holotype: CTU-EW.189.h01; paratypes: CTU-EW.189.p02; ZooBank.^

catenus, Amynthas C-F. Tsai, Shen et S-C. Tsai, 2001; Zool. Studs. 40(4): 279; TESI coll. no. 1999-17, 3 paratypi designati sed innumerati.

catharinensis, Glossoscolex Michaelsen, 1917; Zool. Jb. Syst. 41: 279; ZMUH 3188. 7344, NHRS 1246, DZSP 139. [N.O., p. 86]

caucasica, Dendrobaena Kulagin, 1889; Lumbricus, Allolobophora; Izv. Obshch. Moskov. 58: 13; ZMUM 59.
[N.O., p. 86]

caudana, Pheretima Michaelsen, 1934; Amynthas; Arch. Zool. Exp. Gen. 79: 531; MNHN 578. [N.O., p. 86]

caudata, Nais Schmarda, 1861; Neue Wirbell. Th. 1(2): 8. [N.O., p. 86]

caudatus, Andiorrhinus Righi, Ayres et Bittencourt, 1976; Acta Amaz. 6(3): 348; INPA 32, 34-35.
[N.O.S.P., p. 20]

caudatus, Phallodrilus Erséus, 1979; Zool. Scripta 8(3): 200; USNM 56213-4. [N.O.S.P., p. 20]

caudosetosus, Rhyacodrilus Karaman, 1983; Biol. Věstn. 31(2): 29; Typus in auctoris collectione.
[N.O.S.S., p. 14]

cavallii, Pygmaeodrilus Cognetti, 1906; Boll. Mus. Torino 21 (3): 1; MZUT 358. [N.O., p. 86]

cavaticus, Acanthodrilus Michaelsen, 1913; Nova Caledonia 1(3): 215; USNM 21031, ZMUH 8064.
[N.O., p. 86]

cavaticus, Helodrilus Michaelsen, 1910; Allolobohpora; Ann. Mus. St.-Pétersb. 15: 57; typus amissus.
[N.O., p. 86]

cavaticus, Archaeodrilus Czerniavsky, 1880; Bull. Soc. Mosc. 55(4):342. [N.O., p. 86]

cavealis, Gianius Juget et Châtelliers, 2001; Hydrobiologia 463: 24; MHNL 44002191-199.

cavernicola, Trigaster Gates, 1962; Cubadrilus; Breviora, Mus. Comp. Zool. No. 178, p. 1; MCZH
[typus designatus sed innumeratus].

cavernicolus, Clitellio Botea, 1983; Res. Expect. Biospeol. C-R Cuba 4: 33; Typus in auctoris collectione.
[N.O.S.S., p. 15]

caviatriatus, Phallodrilus Erséus, 1984; Proc. Biol. Soc. Wash. 97(4): 820; USNM 96050–52.
[N.O.S.S., p. 15]

cavicola, Enchytraeus Joseph, 1880; Pachydrilus, Hemienchytraeus; Zool. Anz. 3: 358; ZSIC 1149.
[N.O., p. 86]

cavicola, Enchytraeus Stephenson, 1924; Rec. Ind. Mus. 26: 127; nec Joseph, 1880. [N.O., p. 86]

cayambensis, Martiodrilus Zicsi, 2000; Opusc. Zool. Budapest 32: 145; TIUB AF/3951, AF/3848, AF/3844.

cedarbergensis, Porachilota Pickford, 1937; Monogr. Acantho.; p. 270; BMNH 1938:7:1:1039–45.
[N.O., p. 86]

cejkai, Bryodrilus Nurminen, 1980; Ann. Zool. Fenn. 17: 176; HUZM. [N.O.S.P., p. 20]

cejkai, Mesenchytraeus Černosvitov, 1937; Bull. Assoc. Russe Sci. 5(34): 263; nom. nov. pro:
Mesenchytraeus eiseni Cejka, 1914 nec Bretscher, 1900 invalidated by Nielsen et Christensen, 1959.
[N.O.S.S., p. 15]

čekanovskajae, Potamothrix Finogenova, 1972; Zool. Zh. 51: 1882; ZIAS 38626. [N.O., p. 86]

celebensis, Amyntas Michaelsen, 1899; Pheretima, Planapheretima; Mitt. Mus. Hamb, 16: 32; typus amissus.
[N.O., p. 86]

celere, Cernosvitoviella Nurminen, 1973; Ann. Zool. Fenn. 10: 399; HUZM. [N.O., p. 86]^

celmisiae, Megascolex Jamieson, 1973; Rec. Aust. Mus. 28(11): 215; AMSS 4662-82, BGMJ, BMNH, CSIRO.
[N.O., p. 86]

celtica, Allolobophora Rosa, 1886; Dendrabaena; Boll. Mus. Torino 1(2): 1; MZUT 511. [N.O., p. 86]

celticus, Mescnchytraeus Southern, 1909; Proc. Irish Acad. 27B(8): 155. [N.O., p. 86]

cemernicensis, Aporrectodea Mršíc, 1991; Monogr. Earthworms Balkans I, p. 284; typus in auctoris
collectione. [N.O.S.T., p. 13]

centenarius, Petroscolex Csuzdi, Szederjesi et Sherlock, 2019; Zootaxa 4674(5): 504; Holotype: NHMUK 1997.1594; paratypes: HNHM AF/3555, NHMUK 1997.1595, NHMUK 1997.1548–1549, HNHM AF/3539, NHMUK 1997.1526–1529, NHMUK ANEA 2019.7368, HNHM AF/5754, NHMUK 1997.1530. ZooBank. ^ The descriptions of the genus Petroscolex and its type species Petroscolex centenarius were published on 27 September 2019 in celebration of the 100^th birthday of our esteemed colleague, Pietro Omodeo, and to honor him and highlight his extensive contributions to Oligochaetology at the global level.

centralis, Lumbricus Bouché, 1972; Inst. Nat. Rech. Agron., p. 360; OECO 76-718-2731. [N.O., p. 86]

centralis f. Pheretima anomala Stephenson, 1929; Metaphire; Rec. Ind. Mus. 31: 234; typus amissus. [N.O., p. 86]

centralis, Protozapotecia Rodríguez et Fragoso, 2017; Acta Zoológica Mexicana (n.s.) 33(1): 69; FBUH 155, 156-159. ^

ceramensis, Pheretima Cognetti, 1922; Boll. Mus. Torino 37(744): 1; BMNH 1921:7:30:5-6. [N.O., p. 86]

cerensis ss. Parachilota paishi Pickford, 1937; Monogr. Acantho., p. 307; BMNH 1938:7:1:1208-26.
[N.O., p. 86]

cerepanovi, Stylodrilus Semernoy, 1982; Novoe Faune Baikala, p. 74; ZIAS 43350. [N.O.S.S., p. 15]

cernosvitovi, Aulodrilus du Bois Reymond Marcus, 1947; Comun. Zool. Mus. Hist. Nat. 2: 14; DZSP 3302
[N.O., p. 86]; vide Ohtaka, A. 2021: Zootaxa 4952(1): 1–32. ZooBank.^

cernosvitovi, Dendrobaena Szederjesi, 2019; Opusc. Zool. Budapest 50(1): 18; Holotype: HNHM Lev Černosvitov Collection C/597; Note to add: this is a nom. nov. / replacement name for Dendrobaena venata var. cognettii Černosvitov, 1935); additional information presented in Szederjesi, 2019 – Opusc. Zool. Budapest 50(1): 17-22.^ [vide Csuzdi et al. 2023 – Zootaxa 5255(1): 62–67.^]

cernosvitovi, Guaranidrilus Healy, 1979; Bull. Brit. Mus. Nat. Hist. (Zool.) 37(1): 10; BMNH 1949.3.1. [N.O.S.P., p. 20]

cernosvitovi, Moniligaster Gates, 1962; Bull. Mus. Compo Zool. 127(5): 355; nom. nov. pro: Moniligaster
beddardi Gates, 1940. [N.O., p. 86]

černosvitovi, Peloscolex Hrabě, 1958; Publ. Fak. Sci. Univ. Brno, no. 397. p. 349; HOCB 1593-36.

černosvitovi, Stylodrilus Hrabě, 1950; Acta Sci. Nat. Moravo-Siles 23(9): 289; HOCB 851-36-1. [N.O., p. 86]

černosvitovi, Trichodrilus Hrabě, 1937; Bull. Mus. Roy. Hist. Nat. Bcig. 13(32): 15; HOCB 854-11. [N.O., p. 86]

černosvitovi, Wegeneriona Righi et Caballero, 1970; Rev. Brasil Biol. 30: 92; DZSP 100. [N.O., p. 86]

cernosvitoviana, Allolobophora Zicsi, 1967; Acta Zool. Hung. 13: 248; TIUB A.31. [N.O., p. 86]

cervisiae, Lumbricillus Kos.-Step., 1983; Mikro. Meers. 0(89): 8; ZMUH OL.13264–65. [N.O.S.S., p. 15]

cervix, Limnodrilus Brinkhurst, 1963; Int. Rev. Hydrobiol. 2: 36; USNM 32633–6. [N.O., p. 86]

cethana, Anisochaeta Blakemore, 2000; Tasmanian Earthworms, p. 452; QVMA 14: 0680, ANIC RB.98.1.5,
TMHA 1562.

cevdeti, Dendrodaena Szederjesi, Pavlíček, Coşkun et Csuzdi, 2014; Zootaxa 3764(5): 561;
HNHM 16607, 16601.

ceylanensis, Cryptodrilus Michaelsen, 1897; Notoscolex; Mitt. Mus. Hamb. 14: 183; RNHL 1678,
BMNH 1903:4:28:1. [N.O., pp. 86-87]

ceylanensis, Perionyx Michaelsen, 1904; SB Böhm. Ges. 40: 6; typus amissus. [N.O., p. 87]

ceylanensis var. Perichaeta indica Michaelsen, 1897; Amynthas, Pheretima; Mitt. Mus. Hamb. 14: 246;
typus amissus. [N.O., p. 87]

ceylonica, Perichaeta Beddard, 1886; Megascolex; Ann. Nat. Hist. 17: 89; typus amissus. [N.O., p. 87];
typi locati in BMNH 1904.10.5.17, 1904.10.20. 677-81. [N.O.S.P., p. 30]

ceylonicus, Glyphidrilus Gates, 1945; Spol. Zeyl. 24: 89; typus amissus. [N.O., p. 87]

ceylonicus ss. Pheretima indicus Michaelsen, 1897; Amynthas; Jb. Hamb. wiss. Anst. 14(2): 246;
typus amissus. [N.O., p. 87]

chabaudi, Acanthodrilus Jamieson et Bennett, 1979; Bull. Mus. Nat. Hist. Nat. (4), 1: 362; MNHN 580-1,
QMBA 8889, BMNH 1978.1.8, BCMJ 1977.9.4. [N.O.S.P., p. 20]

chacoensis, Limnodrilus Stephenson, 1931; Tubifex; J. Linn. Soc. Land. 37: 309; typus amissus.
[N.O., p. 87]

chaetophora, Allolobophora Bouché, 1972; Gatesona; Inst. Nat. Rech. Agron., p. 436; OECO 87-550- 0711.
[N.O., p. 87]; vide Marchán et al. 2021: PLoS ONE 16(9): e0255978.^^

chaguala, Glossodrilus Fiejoo M., Zuluaga Z. et Molina R., 2018; Zootaxa 4496(1): 450; Holotype:
CNLT-UTP-0316); paratypes (n=5): CNLT-UTP-0317; ZooBank. ^

chaishanensis, Amynthas James, H-T. Shih et H-W. Chang, 2005; J. Nat. Hist. 39(14): 1021;
NMNS 4054-022, 4054-023.

chajulensis, Diplotrema Fragoso et Rojas, 2018; Zootaxa 4496(1): 415; Holotype: IEOL 3101;
paratypes: IEOL 4433, IEOL 4432, IEOL 3182; ZooBank. ^

chalakudiana, Drawida Stephenson, 1915; Mem. Ind. Mus. 6: 54; ZSIC 6594. [N.O., p. 87]

chalonensis, Eremidrilus Rodriguez et Fend, 2022; Zootaxa 5159(2): 250; Holotype: USNM 1593338;
paratypes: USNM 1593339–1593355; ZooBank.^

chaloneri, Polytoreutus F. Smith et B.R. Green, 1920; Proc. U.S. Nat. Mus. 55(2263): 156; USNM 16834.
[N.O., p. 87]

chalupskyi, Chamaedrilus Martinsson, Rota et Erséus, 2015; Cognettia; System. Biodivers. 13(3): 269;
Holotype: SMNH TYPE-8683 (former SMNH133645) (CE11325) – COI barcode, GenBank acc.
no. KF672399; paratypes: SMNH TYPE-8684 (former SMNH133649) (CE3860),
MCZR Oligochaeta 0188 (CE823); ZooBank. vide Martinsson 2019: Soil Organisms 91: 37–43.^

chalupskyi, Oconnorella Rota, 1995; Boll. Zool. 62(2): 227; MCZR 0046-48.

chami, Glossodrilus Righi, 1996; Stud. Trop. Andean Eco. 4(16): 591; ICNB An056, RNHL 20129.

champasakensis, Glyphidrilus Chanabun et Panha, 2017; ZooKeys 672: 25; CUMZ 3426, 3427,
ZMUH [as ZMH] 14584, BMNH [as NHMUK] 2 paratypi designati sed innumerati, RMBR 2 paratypi
designati sed innumerati. ZooBank. ^

chandleri, Graliophilus Blakemore, R.J. 2014; Opusc. Zool., Budapest 45(2): 158; BMNH [as NHM]
H No. 415; P1–5, P6–9, P10–18 (416), P19 (417).

chandyi, Amynthas Y. Hong, 2008; Zootaxa 1914: 59; NULV [as BDNU] 0002, 0005, 0006, NIBR –
two paratypi designati sed innumerati. [Holotype and some paratypes are deposited in the Department
of Biology, Faculty of Science, National University of Laos, Vientiane (BDNUL). The remaining paratypes
are deposited in the National Institute of Biological Resources, Korea (NIBR).]

changbaishanensis, Marionina Xie, Liang et H-Z. Wang, 2000; Acta. Zootax. Sin. 215(2): 143; CASW,
[typus non designatus [although not designated in original published description, the type accession
numbers were included in a later paper by J. Chen, Xie, and He 2006: Zool. Sci 23: 921 – as CASW
JLO19930015, JLO19930016–JLO19930018; in this paper, this taxon is referenced in relation to other
congeners, new description(s), and/or description revision(s)].

changtuensis ss. Pristina amphibiotica Liang, 1965; Acta Zool. Sin. 15(4): 562;
IHAS,  holotypus et paratypi (n=2) designati sed innumerati;
[lapsus calami ‘amphiboitida’, N.O., p. 87]^

chani, Anisochaeta Blakemore, 2000; Rec. Aust. Mus. 51(1): 18; ANIC RB.98.2.47-9, AMSS W24537-8,
ANIC RB.98.3.4.

chaophraya, Glyphidrilus Chanabun et Panha, 2013; ZooKeys 265: 44; CUMZ 3283, 3284, ZMUH
[as ZMH] 14577, BMNH [as NHM] 3 paratypi designati sed innumerati. ^

chaoyangensis, Enchytraeus Z. Xie, Liang et H-Z. Wang, 2000; Acta Hydrobiol. 42(1/2): 69; CASW,
typus non designatus.

chapini, Dichogaster Michaelsen, 1936; Amer. Mus. Nov., no. 843, p. 4; AMNH 2250. [N.O., p. 87]

chappuisi, Dichogaster Černosvitov, 1938; Bull. Mus. Nat. Hist. Nat. 8: 292; BMNH 1949:3:1733,
MNHN 611. [N.O., p. 87]

chappuisi, Hystricosoma Michaelsen, 1926; Mitt. Mus. Hamb. 42: 93; typus amissus. [N.O., p. 87]

charae, Marionina Tynen, 1970; Can. J. Zool. 48: 1359; NMNS 3440–47. [N.O., p. 87]

charcoviensis f. Saenuris diversisetosa Czerniavsky, 1880; Bull. Soc. Mosc. 55(4): 332. [N.O., p. 87]

charkowiensis, Pachydrilus Czerniavsky, 1880; Bull. Soc. Mosc. 55(4): 319. [N.O., p. 87]

charlottensis, Marionina Coates, 1980; Can. J. Zool. 58(7): 1310; NMNS 1979-1601, USNM 58914.
[N.O.S.P., p. 20]

chathamensis, Diporochaeta Benham, 1901; Trans. N.Z. lnst. 33: 134; OMNZA.56.25. [N.O., p. 87]

chathamianus var. Pontodrilus matsushimensis Michaelsen, 1899; Zool. Jb. Syst. 12: 220; OMNZ.
[N.O., p. 87]

chaunus, Mesenchytraeus Piper, Maclean et Christsen, 1982; Can. J. Zool. 60(11): 2596; USNM 92087–90.
[N.O.S.S., p. 15]

chelata f. Nais paraguayensis Er. Marcus, 1944; Allonais; Bol. Fac. Filos. Ciên. Let. Univ. S. Paulo (Zool.)
43: 51; DZSP 3303b. [N.O., p. 87]

cheni, Drawida Gates, 1935; Lingnan Sci. J., p.446; USNM 20150. [N.O., p. 87]

cheni, Drawida W-X. Zhang, J-X. Li et Qiu, 2006; J. Nat. Hist. 40: 399; SJUB 2004-007GDDH,
2003-017GDDH.

cheni, Oconnorella J. Chen, Xie et S. He, 2006; Zool. Sci. 23: 918; [MAO] CASW JLO20050018,
JLO20050019–0021.

chenianus, Heterodrilus H-Z. Wang et Erséus, 2003; N.Z. J. Mar. Fresh. Res. 37: 210; CASW [as IHB]
HANA2000020a, HANA2000020b, HANA2000020a-d, NHRS [as SMNH] Type Coll. 5611–5615.

chenowithensis, Plutellus McKey-Fender, 1970; Northwest Sci. 44(4): 240; holotypus sed innumeratus
in auctoris collectione, paratypi sed innumerati in auctoris collectione [N.O., p. 87]

cheonghakdongensis, Amynthas Y. Hong, 2017; J. Nat. Hist. 51(7-8): 439; NIBR ZIIYIV0000504460,
ZIIYIV0000504461; ZooBank. ^

cheranganiensis, Dichogaster Černosvitov, 1935; Bull. Mus. Nat. Hist. Nat. 8: 298; BMNH 1949:3:1:740,
MNHN 612. [N.O., p. 87]

chernoui, Bryodrilus Nurminen, 1980; Ann. Zool. Fenn. 17: 176; HUZM. [N.O.S.P., p. 20]

chetcoensis, Phagodrilus McKey-Fender, 2001; Megadrilogica 8(11): 64; USNM 1000904 [no paratypes].

chevalieri, Acanthodrilus Jamieson et Bennett, 1979; Bull. Mus. Nat. Hist. Nat. (4), 1: 365; MNHN 582,
BMNH 1978.1.9, BGMJ 1977.9.5. [N.O.S.P., p. 20]

chiakensis, Amynthas Y. Hong et James, 2013; Zootaxa 3646(1): 76; NIBR IV0000261338, IV0000261339.

chiangraiensis, Glyphidrilus Chanabun et Panha, 2017; ZooKeys 672: 14; CUMZ 3407, 3408,
ZMUH [as ZMH] 14581, BMNH [as NHMUK] 2 paratypi designati sed innumerati, RMBR [as ZRC]
2 paratypi designati sed innumerati. ZooBank. ^

chica ss. Amyntas sangirensis Michaelsen, 1899; Pheretima; Mitt. Mus. Hamb. 16; 79; typus amissus.
[N.O., p. 87]

chica ss. Perichaeta crassicytis Michaelsen, 1896; Pheretima; Abh. Senckenb. Ges. 23: 207; typus amissus.
[N.O., p. 87]

chicharia ss. Eophila occidentalis Bouché, 1967; Scherotheca; Rev. Écol. Biol. Sol 4: 598; OECO 1-33-0515.
[N.O., p. 87]

chiensis, Glyphidrilus Chanabun et Panha, 2013; ZooKeys 265: 47; CUMZ 3234, 3235, ZMUH [as ZMH]
14566, BMNH [as NHM] 3 paratypi designati sed innumerati. ^

chilanensis, Amynthas C-F. Tsai et S-C. Tsai, 2007; J. Nat. Hist. 41(5-8): 362; TESI 2002-25-Shen,
2 paratypi designati sed innumerati.

chilensis, Acanthodrilus Beddard, 1895; Chilota; Proc. Zool. Soc. Land., 1895, p. 218; USNM 21009.
[N.O., p. 87]

chilensis, Eremodrilus Cognetti, 1904; Boll. Mus. Torino 19(481): 2. [N.O., p. 87]

chilensis, Grania Prantoni, De Wit et Erséus, 2016; J. Linn. Soc. 176: 498;ZUEC CLI 13
(COI barcode sequence, GenBank acc. no. GU902190); ZUEC CLI 14–CLI 19. ^

chilensis, Paranais Michaelsen, 1926; Mitt. Zool. St. Inst. Hamb. 42: 91; typus amissus. [N.O., p. 87]

chilesensis, Aptodrilus Zicsi, 1997; Opusc. Zool. Budapest 31-33: 166; TIUB AF/3465, 1011.

chilesensis ss. Martiodrilus robustus Zicsi, 2000; Opusc. Zool. Budapest 32: 165; TIUB AF/3950, AF/1012.

chiloensis, Yagansia Michaelsen, 1921; Ark. Zool. 13(19): 4; MZUT 212, NHRS [as SMNH] 130. [N.O., p. 87]

chinagliai, Helodrilus Baldasseroni, 1919; Eophila; Ann. Mus. Genova (3), 8: 3; MGDG 44043. [N.O., p. 87]

chinensis, Doliodrilus H-Z. Wang et Erséus, 2004; J. Nat. Hist. 38(3): 290; CASW HANA2000009i,
HANA2000009j–n, NHRS [as SMNH] Type Coll. 5485–5489.

chinensis ss. Eutyphoeus manipurensis Gates, 1958; Rec. Ind. Mus. 53: 110; typus amissus. [N.O., p. 87]

chittagongensis, Eudichogaster Stephenson, 1917: Rec. Ind. Mus. 13: 411; BMNH 1933:5:25:344-5,
ZSIC 7l. [N.O., p. 87]

chittagongianus, Eutyphoeus Michaelsen, 1907; Lennogaster; Jb. Hamb. wiss. Anst. 24(2): 181;
ZSIC 2839, ZMUH 7157. [N.O., p. 87]

chlorina, Moniligaster Bourne, 1894; Quart. J. Micros. Sci. (n.s.) 36: 364; BMNH 1895:9:3:8, UMOU 1517.
[N.O., p. 87]

chlorocephala, Allolobophora Perel, 1977; Zool. Zh. 56(4): 497; ZMUM. [N.O.S.P., p. 20]

chlorophilus, Chamaedrilus Friend, 1913; J. Roy. Micros. Soc., 1913, p. 260 [lapsus calami pro: ‘p. 262’,
N.O., p. 87]; [note: this species revalidated as Chamaedrilus chlorophilus Friend, 1913; lectotype:
BMNH 1949.3.1.32, paralectotype with same accession number, vide Martinsson, Rota, et Erséus
2015: System. Biodivers. 13(3): 257–277.^

chlorophilus, Chamaedrilus Friend, 1913; Cognettia; J. Roy. Micros. Soc., 1913, p. 262. [lapsus N.O., p. 87];
species revalidated as Chamaedrilus chlorophilus Friend, 1913 – vide Martinsson et al. 2015a.
vide Martinsson 2019: Soil Organisms 91: 37–43.^

chloroticum, Enterion Savigny, 1826; Lumbricus, Allolobophora, Aporrectodea; Mém. Acad. Sci.
Inst. Fr. 5: 182; MNHN. [N.O., p. 87]

choeina, Pheretima Michaelsen, 1927; Amynthas; Boll. Lab. Zool. Portici 21: 85; ZMUH 10424. [N.O., p. 87]

chongqingensis, Fridericia Xie, Liang et H-Z. Wang, 1999; Acta Hydrobiol. Sin. 23(Suppl.): 158;
CASW [as IHCAS], holotypus et paratypi designati sed innumerati.

chopari ss. Pheretima andersoni Stephenson, 1929; Amynthas; Rec. Ind. Mus. 31: 233; typus amissus.
[N.O., p. 87]

chopari, Notoscolex Stephenson, 1929; Tonoscolex; Rec. Ind. Mus. 31: 230; typus amissus. [N.O., p. 87]

choprai, Notoscolex Stephenson, 1929; lapsus calami pro: chopari, Notoscolex Stephenson, 1929;
N.O. p. 87. [N.O.S.P., p. 30]

chorioidalis, Styloscolex Issosimoff, 1962; Trudy Limnol. Inst. Lac Baikal (1), 21(1): 62. [N.O., p. 87]

choristoporus, Libyodrilus Clausen, 2004; J. Nat. Hist. 38: 1855; ZMUH [as ZMH] V-8508 [no paratypes].

christenseni, Achaeta Prabhoo, 1966; J. Zool. Soc. Ind. 16: 83. [N.O., p. 87]

christenseni, Cernosvitoviella Dash, 1970; Can. J. Zool. 48: 1433; NMNS 3427, 3448. [N.O., p. 87]

christenseni, Enchytronia Dózsa-Farkas, 1970; Opusc. Zool. Budapest 10(2): 245; TIUB E-l, P-1.
[N.O.S.P., p. 20]

christenseni, Lumbricillus Tynen, 1966; J. Mar. Biol. Assoc. 46: 89; BMNH 1965:12:1-22. [N.O., p. 87]

christeri, Fridericia Rota et Healy, 1999; J. Nat. Hist. 33(1): 36; NHRS [as SMNH] Type Coll. 4928,
4929–4933, MCZR OLIGOCHAETA 0066–0067.

christeri, Phallodrilus Davis, 1985; Proc. Biol. Soc. Wash. 98(1): 164; USNM 97239–41. [N.O.S.S., p. 15]

christiani, Fridericia Bauer, 1998; Linzer Biol. Beitr. 30(1): 5; BOOL – holotypus, 3 paratypi designati
sed innumerati].

christinae, Nais Kasprzak, 1973; Bull. Acad. Sci. Pol. (Biol.) 21: 535. [N.O., p. 88], typus nondesignatus.

christofferseni, Guaranidrilus Righi, 1975; Ciên. Cult. 27(2): 146; DZSP 273. [N.O., p. 88]

christyana, Dichogaster Michaelsen, 1938; Proc. Zool. Soc. Lond. (B), 107: 504; BMNH 1926:7:27:8–13.
[N.O., p. 88]

christyi, Ocnerodrilus Stephenson, 1928; Ilyodrilus; Ann. Mag. Nat. Hist. (10), 1: 4;
BMNH 1927:10:13:11–25. [N.O., p. 88]

chromophorus, Mesenchytraeus Altman, 1936; Univ. Wash. Publ. Biol. 4(1): 50; UWMS.
[lapsus calami N.O., p. 88: 4: 5] ^

chubbi, Ilyogenia Michaelsen, 1909; Ocnerodrilus; Proc. Rhod. Sci. Assoc. 8: 98; typus amissus.
[N.O., p. 88]

chukotensis, Stylodrilus Sokolskaya, 1975; Zool. Zh. 54: 116; ZMUM 1041-2. [N.O., p. 88]

chungkingensis, Pheretima Y. Chen, 1936; Amynthas; Cant. Biol. Lab. Sci. Soc. China (Zool.) 12: 274.
[N.O., p. 88]

chuni, Gordiodrilus Michaelsen, 1913; Zoologica 68: 7; ZMUH 7649. [N.O., p. 88]

cibca, Glossodrilus Righi et Merino, 1987; Rev. Brasil. Biol. 47(4): 547; DZSP 920. [N.O.S.S., p. 15]

cigges, Andioscolex Righi, 1970; Rev. Brasil Biol. 30: 373; DZSP 103. [N.O., p. 88]

ciliata, Haemonais Hayden, 1922; Trans. Amer. Micros. Soc. 41: 169. [N.O., p. 88]

ciliatus, Doliodrilus H-Z. Wang et Erséus, 2004; J. Nat. Hist. 38(3): 278; CASW [as IHB] HANA 2000023b
[no paratypes].

ciliotheca, Fridericia Schmelz et Collado, 2013; Zootaxa 3647(2): 316; NHML [as MNHML] MB29-00316,
MB29-000317–318, ZMUH [as ZMH] OL 14526–28.

cinctum, Enterion Fitzinger, 1833; Isis, p. 552; typus amissus. [N.O., p. 88]

cinctura, Grania De Wit et Erséus, 2007; Zootaxa 1426: 33; NHRS [as SMNH] type coll. 6559,
6560–6568, 6572.

cinerea var. Allolobophora transpadana Rosa, 1886; Octolasion, Lumbricus; Atti Ist. Veneto 4: 679.

cinerea, Dendrobaena Szederjesi, Pop & Csuzdi, 2019; Acta Zool. Hungaricae 65(2): 128;
Holotype: HNHM/16810; Paratypes (n=2): WNHM [as NHMV] /4990; GenBank information
presented in paper. ^

cingulata, Chilota Michaelsen, 1900; Ergeb. Hamb. Magalh. Sammelr., p. 9; typus amissus. [N.O., p. 88]

cingulata, Perichaeta Schmarda, 1861; Pheretima; Neue Wirbell. Th. 1: 14; MNHN. [N.O., p. 88]

cingulatus, Acanthodrilus Beddard, 1895; Proc. Zool. Soc. Lond., 1895, p. 219; USNM 21015. [N.O., p. 88]

cingulatus Gauranidrilus Schmelz, Collado et Römbke, 2011; Zootaxa 2838: 8; MZUSP 1225, 1226–1229,
UFPR OL-10, OL-11, OL-12.

cingulatus, Kynotus Benham, 1896; Quart. J. Micros. Sci. (n.s.) 38: 445. [N.O., p. 88]

cingulatus, Megascolex Beddard, 1892; Ann. Nat. Hist. 9: 122; WNHM 3959. [N.O., p. 88]

cipoensis, Hemienchytraeus Righi, 1973; Bol. Zool. Biol. Mar. (n.s.) 30: 473; DSZP 255. [N.O., p. 88]

circulatus, Microchaetus Plisko, 1998; Kazimierzus; Ann. Natal Mus. 39: 260; NMSA Olig.02535, Olig.00943.

circumpapillatus, Drawida Aiyer, 1929; Rec. Ind. Mus. 31: 50; ZSIC 1511. [N.O., p. 88]

cistercianus var. Nicodrilus nocturnus Bouché, 1972; Inst. Nat. Rech. Agron., p. 338; OECO 70-343-0162.
[N.O., p. 88]

citrinus, Enchytraeus Eisen, 1905; Marionina; Harriman Alaska Exped. 12: 72; USNM 5151. [N.O., p. 88]

claparèdeanus, Pachydrilus Ditlevsen, 1904; Lumbricillus; Z. wiss. Zool. 77: 431. [N.O., p. 88]

claparèdei, Allolobophora Ribacourt, 1896; Rev. Suisse Zool. 4: 85; MHNG 3/83. [N.O., p. 88]

claparèdei, Trichodrilus Hrabě, 1938; Zool. Anz. 121: 80; HOCB 640-1. [N.O., p. 88]

claparedianus, Clitellio Czerniavsky, 1880; Bull. Soc. Mosc. 55(4):325. [N.O., p. 88]

claparedianus, Limnodrilus Ratzel, 1869; Tubifex; Z. wiss. Zool. 18: 590. [N.O., p. 88]

claparedianus, Pseudolumbriculus Diefenbach, 1886; Ber. Oberhess. Ges. 24: 81. [N.O., p. 88]

clara, Fridericia Friend, 1913; J. Roy. Micros. Soc. 13:267. [N.O., p. 88]

clarae, Cognettia Bauer, 1993; Euenchytraeus; Chamaedrilus; Cognettia; Linzer Biol. Beitr. 25(2): 685;
WNHM – holotypus, paratypi designati sed innumerati; [note 1: a synonymy of Cognettia clarae
with Euenchytraeus bisetosus was proposed by Schmelz et Collado {Soil Organisms 82: 1-176};
however, that synonymy was more recently considered to be a premature determination
{vide Martinsson, Rota & Erséus 2015: System. Biodivers. 13(3): 257–277. vide Martinsson 2019:
Soil Organisms 91: 37–43.^

clarkei, Plutellus Dyne, 1981; Proc. Linn. Soc. N.S.W. 105(2): 97; AMSS 6645–46, QMBA 9813.
[N.O.S.S., p. 15]

classica, Hickmaniella Blakemore, 2000; Tasmanian Earthworms, p. 505; QVMA 14:1297, ANIC RB.00.1.1.

clavata, Marionina Nielsen et Christensen, 1961; Nat. Jutl. 10 (Suppl. 1): 21; MLFD. [N.O., p. 88];
Typus amissus.¹

clavata var. Pheretima velata Gates, 1932; Amynthas; Rec. Ind. Mus. 34: 541; typus amissus. [N.O., p. 88]

clavatus, Phallodrilus Erséus, 1981; Olavius; Zool. Scripta 10(1): 20; QMBA [as QM G] 12522.
[N.O.S.S., p. 15, lapsus calami: Zool. Scripta 19(1): 20; QMBA 12521] ^

clavellatus, Limnodriloides Finogenova, 1986; Zool. Scripta 15(1): 47; ZIAS Cat. No. 1/47625,
2/47626–4/47628. ^

clavi, Anisochaeta Blakemore, 2000; Rec. Queen Vict. Mus. 109(1): 28; QVMA 14:3468.

claviatriatus, Heterodrilus Erséus, 1981; Zool. Scripta 10(2): 118; QMBA [as QM G] 12836, 12837–12839.
[N.O.S.S., p. 15]. ^

claviger, Limnodriloides Erséus, 1982; Verh. Naturw. Ver. Hamb. (NF), 25: 221; USNM 73930-2.
[N.O.S.S., p. 15]

clayi, Heronidrilus Erséus, 1993; Proc. 5^th Intl. Mar. Biol. Wksp. 2: 338; WAMP 94-92, 95-92, 96-92,
NHRS [as SMNH] 4439-40.

cleistochaeta, Branchiodrilus Dahl, 1957; Bull. Inst. Franç. Afr. N. 19, Série A(4): 1155. [N.O., p. 88];
typus nondesignatus.

clerica, Pheretima Benham, 1947; Amynthas; Trans. Roy. Soc. N.Z. 76: 423. [N.O., p. 88]

cliarensis, Enchytraeus Southern, 1913; Marionina; Proc. Roy. Irish Acad. 31(3): 6. [N.O., p. 88]

clio, Rhyacodrilus P. Rodriguez et Fend, 2013; Zootaxa 3664(1): 19; USNM 1202056, 1202057–61,
MNCN 16.03/3080.

clitellaris, Fridericia Bretscher, 1900; Rev. Suisse Zool. 8: 452. [N.O., p. 88]

clitellinus, Lumbricus Risso, 1826; Hist. Nat. Eur. Mérid. 4: 426. [N.O., p. 88]

clujensis, Dendrobaena Pop, 1938; Bull. Soc. Sti. Cluj 9: 137; MZCR, BMNH 1949:3:1:634-8. [N.O., p. 88] [vide Csuzdi et al. 2023 – Zootaxa 5255(1): 62–67.^]

clydensis, Tubificoides Brinkhurst, 1985; Can. J. Zool. 63(2): 400; nom. nud. lapsus calami pro: T. scoticus
(in French abstract). [N.O.S.S., p. 15]

coacervata, Metaphire Qiu, 1993; Sichuan J. Zool. 12(4): 1; IBGC GZ-Z00016B₁, B_2-3, 27A.

coatesae, Marionina Erséus, 1990; Proc. 2nd Intl. Mar. Biol. Wksp., p. 318; Holotype: BMNH 1987.3.47,
paratypes: BMNH 1987.3.48, SMNH Type Coll. 3720, 3721 [N.O.S.P., p. 13 – lapsus calami: ‘1986’]. ^

coatesae, Tubificoides Brinkhurst et Baker, 1979; Can. J. Zool. 57(8): 1558; NMNS 1979-22, 23a-d, 24a-d.

coccineus, Tubifex Vejdovský, 1875; Ilyodrilus, Branchiura, Taupodrilus, Rhyacodrilus; SB Böhm. Ges.,
p. 193; ZMUH 6948. [N.O., p. 88]

coccyx, Diporochaeta Blakemore, 2000; Tasmanian Earthworms, p. 194; QVMA 14: 1025,
ANIC RB.98.1.8, TMHA 1563.

cochinensis, Megascolex Stephenson, 1915; Mem. Ind. Mus. 6: 96; ZSIC 6593. [N.O., p. 88]

cochinensis, Megascolides Michaelsen, 1910; Abh. Ver. Hamb. 19: 56; typus amissus. [N.O., p. 88]

cochinensis var. Drawida robusta Stephenson, 1925; Rec. Ind. Mus. 27: 52; typus amissus. [N.O., p. 88]

cochlearis, Eutyphoeus Gates, 1931; Rec. Ind. Mus. 33: 422; ZSIC 3064. [N.O., p. 88]

cockayni, Rhododrilus Benham, 1905; Trans. N.Z. Inst. 37: 288; OMNZ A.54.64. [N.O., p. 88]

cockerelli, Enchytraeus Bell, 1947; Bryodrilus; Trans. Amer. Micros. Soc. 66: 190. [N.O., p. 88]

codensis, Lumbricillus Lasserre, 1970; Biol. Bull. 140: 448; USNM 43476-8. [N.O., p. 88]

codonothecoformis, Iridodrilus Owa, 1994; J. Nat. Hist. 28(1): 10; NHMI.

codriliformis, Parachilota Pickford, 1937; Monogr. Acantho., p. 310; typus amissus. [N.O., p. 88]

coecifera, Benhamia Benham, 1894; Quart. J. Micros. Sci. (n.s.) 37: 103; BMNH 1894:12:31:1. [N.O., p. 88]

coelogaster var. Pheretima hendersoniana Cognetti, 1914; Amynthas; Zool. Jb. Syst. 37:352;
RNHL 1864–7 [N.O., pp. 88-89]

coeloprostatus, Phallodrilus Cook, 1969; Biol. Bull. 136(1): 16; USNM 38257-8. [N.O., p. 89]

coerulea, Perichaeta Perrier, 1875; C.-R. Soc. Biol. (D), 81: 1044; MNHN 631-2. [N.O., p. 89]

coerulea var. Benhamia itoliensis Michaelsen, 1899; Mitt. Mus. Hamb. 16: 116; MNHU 3379[N.O., p. 89]

coeruleoviridis, Dichogaster (Diplothecodrilus) Csuzdi, 2005; J. Nat. Hist. 39(33): 3048; AF/5004,
AF/5005, AF 5039.

coeruleus, Megascolex Bourne, 1891; Quart. J. Micros. Sci. (n.s.) 32:49. [N.O., p. 89]

coeruleus, Monitigaster Horst, 1895; Polygaster; Notes Leyden Mus. 16: 137; RNHL 1577. [N.O., p. 89]

coeruleus, Polytoreutus Michaelsen, 1890; Mitt. Mus. Hamb. 7: 24; typus amissus. [N.O., p. 89]

cognetti, Fridericia Bretscher, 1904; Rev. Suisse Zool. 12: 264. [N.O., p. 89]

cognetti, Thamnodrilus Beddard, 1921; Ann. Mag. Nat. Hist. (9),7: 153. [N.O., p. 89]

cognettianus, Parachilota Pickford, 1937; Monogr. Acantho., p. 287; BMNH 1938:7:1:1093, 1138.
[N.O., p. 89]

cognettii, Enantiodrilus Michaelsen, 1933; Tijdschr. Nederl. Dierk. Ver. 3: 121; typus amissus. [N.O., p. 89]

cognettii, Marionina Issel, 1905; Cognettia; Chamaedrilus; Cognettia; Zool. Jb. Syst. 22(4): 456. [sic ‘cognetti‘, sic p.’455′, N.O., p. 89]; vide Martinsson, Rota, & Erséus 2015: System. Biodivers. 13(3): 257–277; ZooBank; vide Martinsson 2019: Soil Organisms 91: 37–43.^

cognettii var. Pheretima sedgwicki Ude, 1932; Pithemera; Arch. Naturg. 1: 185. [N.O., p. 89]

coimbrensis, Achaeta Schmelz et Collado, 2013; Zootaxa 3647(2): 320; NHML [as MNHML]
MB29-000319, MB29-000320–321.

coineaui, Scherotheca Bouché, 1972; lnst. Nat. Rech. Agron., p. 300; OECO 53-397-0681. [N.O., p. 89]

coiree, Peloscolex Medeiros et Neves, 1982; Rev. Brasil. Biol. 42(1): 177; DZSP 629A-B. [N.O.S.S., p. 15]

cokelat, Polypheretima Fahri et Amaliah, 2017; Raffles Bull. Zool. 65: 560; Holotype: MZB Oli. 0054;
paratypes MZB Oli. 0055 [n=4], UNTAD Oli. 0001 [n=3]; ZooBank. ^

colchidica, Eiseniella Perel, 1967; Pedobiologia 7: 101; ZMUM 16. [N.O., p. 89]

colletti, Microchaetus Beddard, 1907; Proc. Zool. Soc. Lond. 1: 277. [N.O., p. 89]

colliensis, Megascolex Michaelsen, 1907; Fauna Südwest-Aust. 1(2): 219; WAMP 4435, MNHU 4244,
ZMUH 7072, 7075-6. [N.O., p. 89]

collini, Pheretima Ude, 1924; Amynthas; Zool. Anz. 61: 84; MNHU 6458–9. [N.O., p. 89]

collinus, Megascolex Michaelsen, 1907; Fauna Südwest-Aust. 1(2): 225; typus amissus. [N.O., p. 89]

collinus, Platydrilus Michaelsen, 1914; Jb. Hamb. wiss. Anst. 31: 110; ZMUH 8353. [N.O., p. 89]

collinus ss. Argilophilus marmoratus Eisen, 1900; Plutellus; Proc. Calif. Acad, Sci. (3), 2: 163. [N.O., p. 89]

collislupi, Microscolex Michaelsen, 1910; Mitt. Mus. Hamb. 27(2): 63; MNHU 4781–2. [N.O., p. 89]

colloquia ss. Dendrobaena auriculifera Bouché, 1973; Rev. Écol. Biol. Sol 10(3): 327;
OECO 100-1469-3456. [N.O., p. 89]

colonensis, Pheretima Thai, 1996; J. Biol. (Vietnam) 18(1): 1; CRSO IA, 6A.

colonia, Chilota Pickford, 1937; Monogr. Acantho., p. 541; BMNH 1938:7:1:2458–73, ZMUH 12732.
[N.O., p. 89]

colonorum, Glossoscolex Michaelsen, 1917; Zool. Jb. Syst. 41: 284; ZMUH 3189, 3708. [N.O., p. 89]

colorata, Grania De Wit, Rota et Erséus, 2009; Zootaxa 2165: 25; AMSS [as AMS] Type Coll. W.35545
(GenBank accession no. GQ247639), W.35546 (GenBank accession no. GQ247641), W.35547–53;
NHRS [as SMNH] Type Coll. 7768–72.

colossus, Pheretima Cognetti, 1911; Amynthas; Boll. Mus. Torino 26(641): 6; ZMUA. [N.O., p. 89]

colpites, Enchytraeus Stephenson, 1932; Lumbricillus; Disc. Rept. 4: 260; typus amissus. [N.O., p. 89]; vide Klinth, Rota, Martinsson, Prantoni et Erséus (2021): Zool. J. Linn. Soc. 20: 1–31.^

colpochaeta, Thamnodrilus Cognetti, 1906; Rhinodrilus; Mem. Acad. Torino. 56: 183. [N.O., p. 89]

columbiana, Henlea Michaelsen, 1914; Henleanella; Mém. Soc. Neuchâtel. Sci. Nat. (n.s.) 5: 211;
BMNH 1927:9:5:45; ZMUH 7739. [N.O., p. 89]

columbianus, Anteus Michaelsen, 1900; Thamnodrilus, Rhinodrilus; Zool. Anz. 23: 53; typus amissus.
[N.O., p. 89]

columbianus, Trichochaeta Michaelsen, 1900; Hesperoscolex, Periscolex; Arch. Naturg. 66(1): 259;
typus amissus. [N.O., p. 89]

columbiensis, Isochaetides Brinkhurst et RJ Diaz, 1985; Teneridrilus; Proc. Biol. Soc. Wash. 98(4): 949;
USNM 097961, 097962–097969 [N.O.S.S., p. 15]; + 5 paratypi designati sed innumerati in auctoris
collectione (Brinkhurst) et 3 paratypi designati sed innumerati in auctoris collectione (RJ Diaz).^

comalensis, Trichodrilus Fend 2023; Zoosymposia 23: 64; Holotype: USNM 1683423;
Paratypes: USNM 1683424–1683425 (n=2); CASIZ 236643–236644 (n=2); ZooBank.^

comata, Bohemilla Vejdovský, 1883; Bohemillula, Vejdovskyella; SB Böhm. Ges., p. 218. [N.O., p. 89]

comillahanus, Eutyphoeus Michaelsen, 1907; Jb. Hamb. wiss. Anst. 24(2): 187; ZSIC 2837; ZMUH 7156.
[N.O., p. 89]

communis, Diplocardia Garman, 1888; Acanthodrilus; Bull. Ill. St. Lab. Nat. Hist. 3: 47; MNHU 2292.
[N.O., p. 89]

communis, Marionina Neilsen et Christensen, 1959; Nat. Jutl. 8-9: 116; MLFD. [N.O., p. 89];
Typus amissus.¹

communis, Nais Piguet, 1906; Rev. Suisse Zool. 14(2): 247; MNHN. [N.O., p. 89 – lapsus calami: 1907].

communissima, Perichaeta Goto et Hatai, 1899; Pheretima, Amynthas; Annat. Zool. Japon. 3:23.
[N.O., p. 89]

comondui, Ocnerodrilus Eisen, 1900; Enicomodrilus; Proc, Calif. Acad. Sci. (3), 2: 121; typus amissus.
[N.O., p. 89]

comorensis, Phallodrilus Erséus, 1981; Zool. Scripta 10(1): 21; MNHN AS. 20–27.

compactus, Isochaetides Semernoy, 2004; Oligochaeta of Lake Baikal, p. 201; holotypus No. 186 et paratypus No. 2009 in auctoris collectione.

complanata, Benhamia Michaelsen, 1897; Dichogaster; Mitt. Mus. Hamb. 14: 8; ZMUH 4521, MNHU 3048. [N.O., p. 89]

complanatus, Lumbricus Dugès, 1828; Allolobophora, Dendrobaena, Octolasion, Octodrilus; Ann. Sci. Nat. 15: 289; typus amissus, [N.O., p. 89]

composita, Pheretima Gates, 1932; Amynthas; Rec. Ind. Mus. 34: 430; typus amissus. [N.O., p. 89]

compositus, Plutellus Gates, 1955; Rec. Ind. Mus. 52: 61; nom. nov. pro. P. inflexus var. compositus.
[N.O., p. 89]

compositus var. Eutyphoeus annulatus Gates, 1933; Rec. Ind. Mus. 35: 563; ZSIC 3098. [N.O., p. 89]

compositus var. Plutellus inflexus Gates, 1933; Rec. Ind. Mus. 35: 477; ZSIC 3056; et P. compositus Gates, 1955. [N.O., p. 89]

composti, Fridericia Schmelz, 2003; Abhandl. Naturwiss. Ver. Hamburg (NF) 38: 158; ZMUH [as ZIM]
OL 14259, OL 14260.

compressus, Nootkadrilus Baker, 1982; Can. J. Zool. 60(10): 2488; NMNH 1982.0559-60, USNM 72996–97.
[N.O.S.S., p. 15]

compromissus, Octodrilus Zicsi et Pop, 1983; Acta Zobl. Hung. 39(1/2): 245; BRCC, TIUB Z/9794-5.
[N.O.S.S., p. 15]

compta, Pheretima Gates, 1932; Amynthas; Rec. Ind. Mus. 34: 511; typus amissus. [N.O., p. 89]

comptus, Octochaetoides Gates, 1945; J. Roy. Asiatic Soc. Bengal 11: 80; ZSIC 3661. [N.O., p. 89]

comptus, Plutellus Gates, 1955; Rec. Ind. Mus. 52: 62; typus amissus. [N.O., p. 90]

comptus, Proandricus Plisko, 1996; Ann. Natal Mus. 37: 301; NMSA Oligo.02230, Olig.02305, Olig.02222.

concepcionensis, Pheretima Aspe et James, 2014; Zootaxa 3881(5): 432; NMAM [as NMA] 4522, 4542;
ZooBank. ^

conchifera, Henlea Christensen et Dózsa-Farkas, 1999; Biol. Skr. Dan. Vid. Selsk. 52: 19; TIUB He.2,
P-63–P.66, NHRS [as SMNH] Type Coll. 5073.

concolor var. Eisenia veneta Michaelsen, 1909; Süsswasserf. Deutsch., p. 35; ZMUH 7408. [N.O., p. 90]

conculata, Fridericia Dózsa-Farkas, 1986; Acta Zool. Hung. 32(3-4): 281; TIUB F. 7, P. 10 (27 specimens),
P. 11 (19 specimens).

conculcata, Fridericia Dózsa-Farkas, 1986; Acta Zool. Hung. 32 (3/4): 281; TIUB F/7, P/10-11.
[N.O.S.S., p. 15]

condylopapillaris, Iridodrilus Owa, 1994; J. Nat. Hist. 28(1): 13; NHMI.

coneensis, Acanthodrilus Michaelsen, 1913; Nova Caledonia 1(3): 229; ZMUH 8063, USNM 21027.
[N.O., p. 90]

conferticurtus, Amynthas Y. Hong et James, 2009; J. Nat. Hist. 43(21-22): 1241; NIBR IV0000120468,
NIBR IV0000120479.

conforma, Digaster Blakemore, 1997; J. Nat. Hist. 31(12): 1820; typi in auctoris collectione
RB.94.12.1(H), RB.94.12.2(P1–P5).

confusus, Embolocephalus Holmquist, 1979; Zool. Scripta 8(1): 44; USNM 32626. [N.O.S.P., p. 20]

confusus, Pararhyacodrilus Semernoy, 2004; Semernodrilus; Oligochaeta of Lake Baikal, p.168;
holotypus No. 1098 et paratypus No. 1231 in auctoris collectione. See Timm (2020):
Zootaxa 4786(3): 431–436; ZooBank.^

congica, Benhamia Horst, 1894; Tijdschr. Nederl. Dierk. Ver. 4: 68; RNHL 1779. [N.O., p. 90]

congica, Stuhlmannia Michaelsen, 1936; Amer. Mus. Nov., no. 843, p. 11; AMNH 2252. [N.O., p. 90]

congicus, Büttneriodrilus Michaelsen, 1897; Mitt. Mus. Hamb. 14: 42; ZMUH 4517, MNHU 3049. [N.O., p. 90]

congicus, Eminoscolex Michaelsen, 1910; Mitt. Mus. Hamb. 27(2): 125; ZMUH 3650. [N.O., p. 90]

congicus ss. Alluroides pordagei Michaelsen, 1936; Rev. Zool. Bot. Afr. 29: 37; typus amissus. [N.O., p. 90]

congicus ss. Gordiodrilus robustus Michaelsen, 1936; Rev. Zool. Bot. Afr. 29: 47; ZMUH, MRAC. [N.O., p. 90]

congoensis, Chuniodrilus Zicsi, 1997; Rev. Suisse Zool. 104(1): 180; TIUB AF/3222, 3211.

congorum, Tumak Celis et Rangel-CH., 2015; Pap. Avul. Zool. 55(30): 410; holotypus L.V.Celis 022 in
auctorus collectione [no paratypes].

congulunus, Eminoscolex Michaelsen, 1938; Proc. Zool. Soc. Land. (B), 107: 514; BMNH 1935:1:28:6–12.
N.O., p. 90]

conhanungensis, Pheretima Thai, 1984; Zool. Zh. 63(9): 1319; ZMUM W-239, STIV 5C, 3C.
[N.O.S.S., p. 15]

conicus, Tubifex X. He, Cui et H-Z. Wang, 2012; Zootaxa 3458: 160; CASW [as IHB] XIZ200060409a, b,
XIZ20100000624b-e; [see Peng, Y., H.Z. Wang, and Y.D. Qui, 2017: Zootaxa 4320(2): 366-378. ^]

conjuncta, Grania Coates et Stacey, 1993; Proc. 5^th Intl. Mar. Biol. Wksp. 2: 402; WAMP [as WAM] 193-92
[no paratypes].

connata, Fridericia Bretscher, 1902; Rev. Suisse Zool. 10: 20. [N.O., p. 90]; typus non designatus,
typus amissus [Schmelz, 2003: Abhandl. Naturwiss. Ver. Hamburg (NF) 38, p. 163]

connatiformis, Fridericia Dózsa-Farkas, 2015; Acta Zool. Hung. 61(4): 305; TIUB F.22 slide No. 721;
P.99.1 slide No. 1142; P.99.2–99.8 slide No. 715, 720, 747, 748, 749, 750, 755; P. 99.9 slide No. 746;
P.99.10 slide No. 740; P.99.11 slide No. 742; P.99.12 slide No. 583; P.99.13 slide No. 719; P.99.14,
slide No. 981; P.99.15 slide No. 984. ^

connexus, Bathydrilus Erséus, 1988; Proc. Zool. Soc. Wash. 101(1): 69; USNM 113703–10. [N.O.S.S., p. 15]

conondalei, Spenceriella Jamieson, 1995; Mem. Qd. Mus. 38(2): 593; QMBA 211422–3.

conoyeri, Diplocardia Murchie, 1961; Ohio J. Sci. 61(6): 367; USNM 30394. [N.O., p. 90]

conspecta, Anisochaeta Blakemore, 2000; Rec. Aust. Mus. 51(1): 19; AMSS W24560, 59, 61,
ANIC RB.98.2.15.

constricta, Allolobophora Rosa, 1884; Bimastus, Dendrobaena, Octolasion; Lumbric. Piemonte, p. 38.
[N.O., p. 90]

constricta, Drawida Gates, 1929; Proc. U.S. Nat, Mus. 75(10): 8; BMNH 1895:9:3:8, USNM 19251.
[N.O., p. 90]

constrictus, Enchytraeus Bell, 1947; Trans. Amer. Micros. Soc. 66: 8. [N.O., p. 90]

constrictus, Eutyphoeus Gates, 1929; Proc. U.S. Nat. Mus. 75( 1 0): 28; BMNH 1928:2:4:6, USNM 19261,
ZSIC 1480. [N.O., p. 90]

constrictus, Phallodrilus Erséus, 1988; Proc. Biol. Soc. Wash. 101(1): 67; USNM 113701,
114501–02. [N.O.S.S., p. 15]

continens, Pheretima Y. Chen, 1946; Amynthas; J. W. China Res. Soc. 16: 95. [N.O., p. 90]

contortus, Rhinodrilus Černosvitov, 1938; Bull. Ass. Philomat. Alsace et Lorraine 8: 401;
BMNH 1949:3:1:1230. [N.O., p. 90]

contractus, Ocnerodrilus Eisen, 1893; Proc. Calif. Acad.Sci.·3: 262; BMNH 1904:10:5:225. [N.O., p. 90]

contractus, Stylodrilus Semernoy, 2004; Oligochaeta of Lake Baikal, p. 384; holotypus No. 876,
in auctoris collectione.

contrarius, Tubifex Giard, 1893; C.-R. Soc. Biol. 45: 476. [N.O., p. 90]

conversus, Notoscolex Gates, 1930; Tonoscolex; Rec. Ind. Mus. 32: 301; typus amissus. [N.O., p. 90]

convexus, Smithsonidrilus Erséus, 1997; Proc. 6^th Intl. Mar. Biol. Wksp., p. 125; NTMD [as NTM] Wo 0065
[no paratypes]. ^

convolutus ss. Parachilota photodilus Pickford, 1937; Monogr. Acantho., p. 244; BMNH 1938:7:1:955–61.
[N.O., p. 90]

conuolutus, Psammoryctides Loden, 1978; Proc. Biol. Soc. Wash. 91(1): 78; USNM 54463, 54464,
LSUM [as LSU] 1828. [N.O.S.P., p. 20 – lapsus calami: LSUM 1826-8].

cooki, Adelodrilus Erséus, 1978; Sarsia 63(3): 137; TMTN 19760 804/H-CE, 19760 804/P-CE.
[N.O.S.P., p. 20]

coonoorensis, Drawida Gates, 1945; J. Roy. Asiatic Soc. Bengal 11: 63; typus amissus. [N.O., p. 90]

cooperi, Dero Stephenson, 1932; Proc. Zool. Soc. Lond., 1932, p. 231; BMNH 1931:12:9:41–3. [N.O., p. 90]

cooperi, Graliophilus Blakemore, 2000; Tasmanian Earthworms, p. 58; QVMA 14: 959, 3582, ANIC.RB.11.13.

cooraniensis, Cryptodrilus Spencer, 1902; Proc. Roy. Soc. Vict. 13: 42; NMVA 43. [N.O., p. 90]

copelandi, Perichaeta Spencer, 1892; Proc. Roy. Soc. Vict. 5: 2; NMVA 186, 1443. [N.O., p. 90]

copiafluvis ss. Cryptodrilus ramosus Blakemore, 2000; Tasmanian Earthworms, p. 379; QVMA 14: 3657,
1850, ANIC.RB.97.5.10, TMHA 1556.

coplandi, Polypheretima Easton, 1979; Bull. Brit. Mus. Nat. Hist. (Zool.) 35(1): 62; BMNH 1976.3.182–3
[N.O.S.P., p. 20]

copulata, Pheretima Gates, 1937; Amynthas; Bull. Mus. Camp. Zool. 80(7): 31; typus amissus. [N.O., p. 90]

copulatrix, Pheretima Michaelsen, 1922; Amynthas; Capita Zool. 1(3): 49; RNHL 1837. [N.O., p. 90]

coquimbensis, Chilota Michaelsen, 1904; Rev. Chil. Hist. Nat. 8: 266; ZMUH 6351, USNM 21012.
[N.O., p. 90]

corallinae, Lumbricillus Shurova, 1977; Trudy Belom. Biol. Sta., No.1: 55; IMBV 16005. [N.O.S.P., p. 20]

corallinus, Camptodrilus Eisen, 1879; Clitellio, Limnodrilus; Bih. Svenska Akad. 5: 23; typus amissus.
[N.O., p. 90]; typi locati in BMNH 1904.10.5.592-595. [N.O.S.P., p. 30]

corbarensis, Haplotaxis Delay, 1972; Annls. Speleol. 27(2): 328. [N.O.S.S., p. 15]

corderoi, Aeolosoma Ev. Marcus, 1944; Comun. Zool. Mus. Hist. Nat. 1: 1; EMOC A90-92. [N.O., p. 90]

corderoi, Glossoscolex Righi, 1968; An. Acad. Brasil. Cien. 40: 547; DZSP 73, JWRC 10955. [N.O., p. 90];
typus translatus ad NMNS 1978-285 (=JWRC 10955). [N.O.S.P., p. 30]

corderoi, Monopylephorus Er. Marcus, 1949; Comun. Zool. Mus. Hist. Nat. 3(56): 1; DZSP 3304.
[N.O., p. 90]

corderoi, Opistocysta Harman, 1970; Trans. Amer. Micros. Soc. 88(4): 474; nom. nov. pro: O. flagellum
Cordero, 1848. [N.O., p. 90 – lapsus calami: 1969]

corderoi, Rhinodrilus Righi, 1985; Bolm. Zool. Univ. S. Paulo 9: 241; Typus non designatus. [N.O.S.S., p. 15]

cordioiles, Enchytraeus Černosvitov, 1942; Proc. Zool. Soc. Lond. (B), 111: 207. [N.O., p. 90]

corduvensis, Lumbricus Weyenbergh, 1879; Bol. Acad. Cordoba 3: 215. [N.O., p. 90]

corethrurus, Howascolex Michaelsen, 1926; Mitt. Mus. Hamb. 28: 42; ZMUH 9160, 9163. [N.O., p. 90]

corethrurus, Lumbricus Fr. Müller, 1856; Pontoscolex, Eurydame, Urochaeta, Titanus; Abh. Naturg. Ges.
Halle 4: 26; typus amissus. [N.O., p. 90]; [You are encouraged to access James et al. (2019:
Zootaxa 4545(1): 124-132; ZooBank), who recently established a neotype for this taxon. ] ^

coreyi, Stylodrilus P. Rodriguez, Fend et Lenat, 2014; ZooKeys 451: 18; USNM 1251703,
USNM 1251704–1251707; MNCN 16.03/3085; CASIZ 197900; ZooBank. ^

corinna, Anisochaeta Blakemore, 2000; Tasmanian Earthworms, p. 456; QVMA 14: 3050, 3727, 3726.

cormieri, Spenceriella Jamieson et Wampler, 1979; Aust. J. Zool. 27(4): 641; QMBA 8918-20, AMSS 6649,
BMNH 1979.1.3. [N.O.S.P., p. 20]

cornata, Benhamia Omodeo, 1963; Mém. Inst. Franç. Afr. N. 58: 55. [N.O., p. 90]

cornata, Fridericia Friend, 1914; J. Roy. Micros. Soc., 1914, p. 141. [N.O., p. 90]

cornatus, Olavius Davis, 1984; Zool. Scripta 13(4): 273; USNM. [N.O.S.S., p. 15]

cornigravei, Eodrilus Michaelsen, 1907; Fauna Südwest-Aust 1(2): 144; WAMP 4403, USNM 21046,
MNHU 4219. [N.O., p. 90]

cornuta, Dichogaster (Dichogaster) Csuzdi, Guei et Tondoh, 2009; Zootaxa 2141: 59; HNHM AF/5357,
AF/5356.

cornuatus, Olavius Davis, 1984; Zool. Scripta 13(4): 273; USNM 97242, 97243–97246.

cornutus, Glossodrilus Righi et Molina, 1994; Rev. Suisse Zool. 101(2): 307; DZSP ZU-1280,
MHNG 987.481.

coronatus, Enchytraeus Nielsen et Christensen, 1959; Nat. Jutl. 8-9: 94; MLFD. [N.O., p. 90];
Typus amissus.¹

corpulentus, Coralliodrilus Erséus, 1986; Proc. Biol. Soc. Wash. 99(2): 305; USNM 98138,
FDNR [as FSBC I] 31871–2.

corralensis, Acanthodrilus Beddard, 1895; Chilota; Proc. Zool. Soc. Lond., 1895, p. 222;
BMNH 1904:10:5:830. [N.O., p. 90]

corralensis, Microscolex Beddard, 1895; Yagansia; Proc. Zool. Soc. Lond., 1895, p. 235. [N.O., p. 90]

correptus, Adelodrilus Erséus et Davis, 1984; Proc. Biol. Soc. Wash. 97(4): 838; USNM 96059–61.
[N.O.S.S., p. 15]

corrientus, Glossoscolex Righi, 1984; Stud. Neotrop. Fauna Environ. 19(2): 116; DZSP 537–38.
[N.O.S.S., p. 15]

corrugata, Pheretima Y. Chen, 1931; Amynthas; Cont. Biol. Lab. Sci. Soc. China (Zool.) 7: 131;
USNM 20138, 20177. [N.O., p. 91]

corsicana var. Allolobophora dugesi Pop, 1947; Scherotheca; Arch. Zool. Exp. Gen. 85(1): 4; OECO.
[N.O., p. 91]

cortezi, Helodrilus Qiu et Bouché, 1998; Gatesona; Doc. Pédozool. Intégrol. 4(2): 9; OECO 108/2282/4561;
vide Marchán et al. 2021: PLoS ONE 16(9): e0255978.^^

corticis, Benhamia Michaelsen, 1899; Mitt. Mus. Hamb. 16: 80; ZMUH 5200. [N.O., p. 91]

corticis, Perichaeta Kinberg, 1867; Amynthas; Öfv. Akad. Förh. 23: 102; NHRS 1947. [N.O., p. 91]

cosanganensis, Martiodrilus Zicsi, 2000; Opusc. Zool. Budapest 32: 146; TIUB AF/3939, AF/1718.

costata, Heterochaeta Claparède, 1863; Psammoryctes, Tubifex; Beob. Wirbell. Th., p. 25; et costatus.
[N.O., p. 91]

costata f. Aulophorus schmardai Er. Marcus, 1944; Comun. Zool. Mus. Hist. Nat. 1(20): 3; typus amissus.
[N.O., p. 91]

cottarellii, Peloscolex Pop, 1974; Arch. Hydrobiol. 73(1): 117; IZUR. [N.O., p. 91]

cotterilli, Eudriloides Beddard, 1894; Quart. J. Micros. Sci. (n.s.) 36: 204. [N.O., p. 91]

coxensis, Albanidrilus Erséus, 1997; Proc. 6^th Intl. Mar. Biol. Wksp., p. 110; NTMD [as NTM] Wo 0030
[no paratypes]. ^

coxii, Peri chaeta Fletcher, 1886; Anisochaeta, Megascolex; Proc. Linn. Soc. N.S. Wales 1: 565. [N.O., p. 91]

coyote, Eremidrilus Fend et P. Rodriguez, 2003; Can. J. Zool. 81(3): 523; USNM 1007755, 1007756–61,
UPVB [as UPV] LUM-008, LUM-009, USNM 1007762–63.

craggi, Marionina Dash, 1970; Fridericia, Marionina; Can. J. Zool. 48: 1433; NMNS 3454–5. [N.O., p. 91];
[see Schmelz, 2003 – Abhandl. Naturwiss. Ver. Hamburg (NF) 38: 396]

crainensis, Cernosvitovia (Mršić, 1989); [a previous account for this taxon, initially presented
(N.O.S.T., p. 16) for Eophila opisthocystis ss. krainensis Šapkarev, 1987, was corrected based upon
the nomenclatural investigation by Nicolson and Csuzdi 2018 – Zootaxa 4496(1): 156-159; please
see that publication for details]

crassa, Allolobophora Michaelsen, 1900; Ann. Mus. St.-Petersb. 5: 10; typus amissus. [N.O., p. 91]

crassa, Marionina Michaelsen, 1889; Abh. Ver. Hamb. 11: 29; typus amissus. [N.O., p. 91]

crassa, Tritogenia Michaelsen, 1917; Zool. Jb. Syst. 41: 339; ZMUH 8501. [N.O., p. 91]

crassa var. Deltania troyeri Eisen, 1896; Mem. Calif. Acad. Sci. 2: 169. [N.O., p. 91]

crassa var. Eisenia veneta Malević, 1947; Bull. Soc. Mosc. (BioI.) 52(4): 17; typus non designatus.
[N.O., p. 91]

crassicauda, Glossoscolex Cognetti, 1905; Andioscolex; Boll. Mus. Torino 20(495): 6; MZUT 399.
[N.O., p. 91]

crassicystis, Perichaeta Michaelsen, 1896; Cryptodrilus, Pheretima; Abh. Senckenb. Ges. 23: 204;
typus amissus. [N.O., p. 91]

crassicystis ss. Amynthas sangirensis Michaelsen, 1899; Mitt. Mus. Hamb. 16: 79; typus amissus.
[N.O., p. 91]; crassicystis ss. Amynthas sangirensis Michaelsen, 1899;
delete in N.O. p. 91. [N.O.S.P., p. 30]

crassiducta, Grania Coates, 1990; Proc. 3rd Intl. Mar. Biol. Wksp. 1: 20; WAMP [as WAM] 51-89,
52-89, 53-89, ROMT [as ROMIZ] I1279. ^

crassiductata, Fridericia Dózsa-Farkas et Cech, 2006; Zootaxa 1310: 57; typus in auctores collectione
(Dózsa-Farkas) – TIUB F.14 (1967), P.81.1 (1968), P.81.2 (1969), P.81.3 (1970), P.81.4 (1971),
P.81.5 (1972), P.81.6 (1973).

crassifaucis, Pedonais Collado de la Peña et Schmelz, 2000; Amazoniana 16(1/2): 225; INPA 117, 118a-e;
ZMUH OL 14157. ^

crassior var. Bythanamus crassus Isossimoff, 1965; Trudy Limnol. Inst. Lac Baikal (1), 21 (1): 56.
[N.O., p. 91]

crassiseptatus, Perionyx Stephenson 1925; Rec. Ind. Mus. 27: 65; typus amissus. [N.O., p. 91]

crassiseptus, Tubifex Semernoy, 1982; Novoe Faune Baikala, p. 65; ZIAS 43344. [N.O.S.S., p. 15]

crassisetus, Libyodrilus Clausen, 2004; J. Nat. Hist. 38: 1857; UZMK [as ZMUC] OLI-2.

crassitubus, Amynthas Qiu & Dong, 2018; Zootaxa 4496(1): 260; Holotype: SNHM C-GX201302-13A;
paratypes: SNHM C- GX201302-13B (n=6), C-GX201302-09 (n=1), C-GX201303-02 (n=1); ZooBank. ^

crassitunicatus, Olavius Finogenova, 1986; Zool. Scripta 15(1): 46; ZIAS Cat. No. 1/47621;
no paratypes.^

crassoducta, Cernosvitoviella Dózsa-Farkas, 1990; Acta Zool. Hung. 36(3/4): 269; TIUB C.2, P.23
[N.O.S.T., p. 13]

crassus, Acanthodrilus Beddard, 1892; Benhamia; Proc. Zool. Soc. Lond., 1892, p. 681;
BMNH 1904:10:5:829. [N.O., p. 91]

crassus, Anteus Rosa, 1895; Thamnodrilus, Rhinodrilus; Anal. Soc. Españ. Hist. Nat. 24: 151; USNM 20584.
[N.O., p. 91]

crassus, Bythonomus Isossimoff, 1965; Stylodrilus; Trudy Limnol. Inst. Lac Baikal (1), 21(1): 53.
[N.O., p. 91]

crassus, Eminoscolex Černosvitov, 1938; Mem. Mus. Nat. Hist. Nat. 8: 308; BMNH 1949:3:1:754.
[N.O., p. 91]

crassus, Limnodrilus Andrusoff, 1914; Zap. Obshch. Estest. 23(4): 92. [N.O., p. 91]

crassus, Pachydrilus Claparède, 1861; Lumbricillus; Mém. Soc. Genève 16(1): 79. [N.O., p. 91]

crateris, Dichogaster Michaelsen, 1910; Benhamia; Ergeb. 2te Zent. Afr. Exped. (Zool.) 3(1): 29;
MNHU 4742, ZMUH 3572. [N.O., p. 91]

crateris, Diporochaeta Jamieson, 1976; Zool. Verh. Leiden No. 149, p. 24; QMBA 8339, RNHL 15231.
[N.O.S.P., p. 20]

crateroides, Megascolex Boardman, 1943; Rec. Aust. Mus. 21: 174; AMSS 3320. [N.O., p. 91]

cravijae, Andiodrilus Celis, Feijoo et Rangel-Ch., 2018; Zootaxa 4496(1): 445; Holotype: CICN (LVCelis
Collection series) LVCelis267; paratypes (n=6): CICN (LVCelis Collection series, designati sed
innumerati); ZooBank. ^

crawi, Dichogaster Eisen, 1900; Proc. Calif. Acad. Sci. (3),2: 228; typus amissus. [N.O., p. 91]

crenacoleus, Tubificoides Baker, 1983; Can. J. Zool. 61(6): 1277; USNM 79844–46, NMNS 1982.1141-2.
[N.O.S.S., p. 15]

crenobius, Mesenchytraeus Timm, 1994; Hydrobiologia 278: 72; VLSR [as VLS] 14-1, -2, -3.

crescentica, Perichaeta Fedarb, 1898; Pheretima, Metaphire; Proc. Zool. Soc. Lond., 1898, p. 447;
BMNH 1904:10:5:18–26, 1972:1:4–5. [N.O., p. 91]

cribensis, Limnodriloides Erséus, 1990; Mem. Mus. Vic. 50(2): 282; Holotype: NMV F57384,
paratypes: NMV F57385, F577386.^

cristalifer, Notiodrilus Eisen, 1900; Proc. Calif. Acad. Sci. (3),2: 149; corr. crystallifer. [N.O., p. 91]

cristallinus, Chaetogaster Vejdovský, 1883; SB Böhm. Ges., p. 220. [N.O., p. 91]

cristatus, Adelodrilus Erséus, 1983; Hydrobiologia 106(1): 78; USNM 71526–27. [N.O.S.S., p. 15]

cristatus, Peloscolex Snimschikova, 1982; Novoe Faune Baikala, p. 95; LILB. [N.O.S.S., p. 15]

cristolatus, Phallodrilus Erséus, 1983; Cah. Biol. Mar. 24(2): 128; MNHN AS.701–4. [N.O.S.S., p. 15]

croatanensis, Rhynchelmis Fend et Lenat, 2010; Zootaxa 2554: 9; USNM 1142475, 1142476–1142478. ^

croatica var. Allolobophora lissaensis Rosa, 1895; Boll. Mus. Torino 10(215):5. [N.O., p. 91]

crocodilus, Chaetogaster Semernoy, 1985; Biakalian Fauna, Novosibirsk 1: 28; ZIAS 43364.
N.O.S.S., p. 15]

crodabepis, Eophila Paoletti, 2016; PLoS One 2016; 11(3): e0151799, p. 6; MSNV Crevada 3
[BOLD sampleID = IT_MGP_Crevada_3, Genbank accession: KT352951; BUPP Crevada 1 (P1),
Crevada 2 (P2), Crevada 4 (P3); HNHM 6899 (P4), HNHM 12678 (P5); ZooBank; see corrections
(to figures and citations) in PLoS One. 2016 August 1; 11(8): e0160218. ^

croesus, Megascolides Blakemore, 2000; Tasmanian Earthworms, p. 237; QVMA 14: 0380, 3696–3701.

crookesi, Proandricus Plisko, 2002; Afr. Invert. 43: 187; NMSA Olig.00770, Olig.02554, Olig. 00844,
Olig.00828.

crosslandi, Pontodrilus Beddard, 1905; Proc. Zool. Soc. Lond., 1905, p. 558; BMNH 1924:3:1:247–8.
[N.O., p. 91]

crossleyi, Dichogaster James, 2004; Orgs. Divers. Evol. 4: 281; KNHM [as KUNHM] 001911–12.

crottyi, Provescus Blakemore, 2000; Tasmanian Earthworms, p. 229; QVMA 14: 3780.

crousi, Microchaetus Pickford, 1975; Kazimierzus; Trans. Conn. Acad. Arts Sci. 46: 42; USNM 52817–8.
[N.O., p. 91]

crozetensis, Phreodrilus Michaelsen, 1905; Hesperodrilus; Wiss. Ergeb. Schwed. Südpolar-Exped. (Zool.)
5(1-12): 9; NHRS 2143, MNHU7221. [N.O., p. 91]

crozetensis, Microscolex Michaelsen, 1905; Notiodrilus; Wiss. Ergeb. Schewd. Südpolar-Exped. (Zool.)
5(1-12): 3; MNHU 4052, ZMUH6388. [N.O., p. 91]

crucifer, Glossodrilus Righi et Rombke, 1987; Rev. Brasil. Biol. 47(4): 532; DZSP 898. [N.O.S.S., p. 15]

cruratus, Pheretima Y. Chen, 1946; Amynthas; J. W. China Border Res. Soc. 16: 120. [N.O., p. 91]

cruroides, Pheretima Chen et Hsü, 1975; Acta Zool. Sin. 21(1): 93; DBUN. [N.O.S.P., p. 20]

cruxus, Amynthas C-F. Tsai et Shen, 2007; J. Nat. Hist. 41(5-8): 368; TESI 2000-71-Shen, 1 paratypus
designatus sed innumeratus.

crymodes, Enchytraeus Stephenson, 1922; Marionina; Proc. Zool. Soc. Lond., 1922, p. 1135; typus amissus.
[N.O., p. 91]

cryptica, Grania Prantoni, De Wit et Erséus, 2016; J. Linn. Soc. 176: 492;SAMC A82473 (COI barcode
sequence, GenBank acc. No. KT428109); no paratypes. ^

crypticus, Phallodrilus Rodriguez et Giani, 1989; Hydrobiologia 180: 59; ZMUA {Jos Notenboom collectione}
[N.O.S.T., p. 14]; holotypus nondesignatus.

cryptocystis, Eophila Černosvitov, 1935; Zool. Anz. 111: 265. [N.O., p. 91]

cryptosetosus, Enchytraeus Tynen, 1969; Can. J. Zool. 47: 387; NMNS 3403–4. [N.O., p. 91]

crytochaeta, Dichogaster Cognetti, 1910; Ann. Mus. Genova (3), 3: 91. [N.O., p. 91]

csuzdii, Hemienchytraeus Dózsa-Farkas, 1989; Acta Zool. Hung. 35(3/4): 197; TIUB H.2, P.19.1, P.19.2
[lapsus calami: N.O.S.T., p. 14 – TIUB H2, P19]

cubana var. Onychochaeta elegans Michaelsen, 1923; Mitt. Mus. Hamb. 41: 74; ZMUH 9218.
[N.O., pp. 91-92]

cubanicus, Clitellio Botea, 1983; Rés. Expéd. Biospéol. C-R Cuba 4:32; Typus in auctoris collectione.
[N.O.S.S., p. 15]

cubensis, Protozapotecia Rodríguez et Fragoso, 2017; Acta Zoológica Mexicana (n.s.) 33(1): 70;
FBUH 146, 147-154. ^

cuca, Eukerria Righi, 1984; Stud. Neotrop. Fauna Environ. 19(1): 13; DZSP 478. [N.O.S.S., p. 15]

cucfuongmontiis ss. Pheretima manicata Thai, 1984; Zool. Zh. 63(9); 1321; ZMUM W-200, STIV 2C, 2A.
[N.O.S.S., p. 15]

cucho, Rhinodrilus Righi, 1996; Rev. Suisse Zool. 103(3): 681; DZSP 1284A, 1284B NHMG 20327.

cucullatus, Amynthas Y. Hong et James, 2009; J. Nat. Hist. 43(21-22): 1231; NIBR IV0000120463,
NIBR IV0000120475.

cucurbitae, Amynthas Azama et Ishizuka, 2018; Edaphologia 103: 29; Holotype: RUMF-ZO-00021;
paratypes (n=5): RUMF-ZO-00022–26.^^

cuendeti, Nicodrilus Qiu et Bouché, 1998; Doc. Pédozool. Intégrol. 4(11): 115; OECO 193/2840/165.

cuenoti, Pelodrilus Tétry, 1934; C.-R. Acad. Sci. 199: 322; BMNH 1949:3:1:190. [N.O., p. 92]

cuginii, Allolobophora Rosa, 1906; Atti. Soc. Nat. Mat. Modena 7: 138. [N.O., p. 92]

cuiabanus ss. Rhinodrilus garbei Righi, 1984; Stud. Neotrop. Fauna Environ. 19(2): 101; DZSP 464, 481.
[N.O.S.S., p. 15]

culminis, Amyntas Michaelsen, 1899; Pheretima; Mitt. Mus. Hamb. 16: 58; typus amissus. [N.O., p. 92]

culminis, Benhamia Michaelsen, 1896; Dichogaster; D.-O. Afr. 4: 32; MNHU 2449, ZMUH 293. [N.O., p. 92]

culminis, Diplotrema Michaelsen, 1913; Plutellus; Nova Caledonia 1(3): 243; ZMUH 8042. [N.O., p. 92]

culminis, Vesiculodrilus Blakemore, 2000; Tasmanian Earthworms, p. 88; QVMA 14: 3631.

cultrifer, Albanidrilus Erséus, 1997; Proc. 7^th Intl. Mar. Biol. Wksp., p. 412; WAMP [as WAM] 112-96
[no paratypes].

cultrifera, Dichogaster Michaelsen, 1903; Zool. Jb. Syst. 18: 451; MNHU 4127. [N.O., p. 92]

cultrifera, Ramiella Stephenson, 1931; Rec. Ind. Mus. 33: 187; BMNH 1930:12:27:66. [N.O., p. 92]

culveri, Trichodrilus Cook, 1975; Trans. Amer. Micros. Soc. 94(1): 26; USNM 59867–8. [N.O., p. 92]

cuneatus, Amynthas Y. Hong et James, 2001; Rev. Suisse Zool. 108(1): 78; KIBIO – holotypus et 2 paratypi
designati sed innumerati.

cuneatus, Vesiculodrilus Blakemore, 2000; Tasmanian Earthworms, p. 90; QVMA 14: 3255, 3256, 0156.

cuneus, Aktedrilus Erséus, 1984; Micro. Mar. 1: 193; ZMUH OL.13432-3. [N.O.S.S., p. 15]

cunningtoni, Ilyodrilus Beddard, 1906; Ocnerodrilus; Proc. Zool. Soc. Lond., 1906, p. 212;
BMNH 1904:10:20:1220. [N.O., p. 92]

cupreae, Pheretima Y. Chen, 1946; J. W. China Border Res. Soc. 16: 117; typus perditus (species
incertae sedis). [N.O.S.P., p. 20]

cupulifera, Allolobophora Tétry, 1937; Bull. Soc. Sci. Nancy, 1937, p. 119; typus in auctoris collectione.
[N.O., p. 92]

cupulifera, Perichaeta Fedard, 1898; Amynthas, Pheretima; Proc. Zool. Soc. Lond., 1898, p. 445.
[N.O., p. 92]

curgensis, Dichogaster Michaelsen, 1921; Mitt. Mus. Hamb. 38: 54; ZMUH 9152–3. [N.O., p. 92]

curgensis, Megascolex Michaelsen, 1926; Mitt. Mus. Hamb. 42: 64; ZMUH 9148. [N.O., p. 92]

curiosa, Allolobophora Ribacourt, 1896; Rev. Suisse Zool. 4: 46. [N.O., p. 92]

curiosa, Henlea Friend, 1912; J. Roy. Micros. Soc., 1912, p. 588. [N.O., p. 92]

curiosa, Tritogenia Plisko, 1997; Ann. Natal Mus. 38: 253; NMSA Olig.02326, Olig.00338, Olig.00718.

curta, Benhamia Michaelsen, 1896; D.-O. Afr. 4: 33; MNHU 2451. [N.O., p. 92]

curta, Grania De Wit et Erséus, 2007; Zootaxa 1426: 38; NHRS [as SMNH] type coll. 6583, 6584–88.

curtisi, Spenceriella Jamieson et Wampler, 1979; Aust. J. Zool. 27(4): 644; QMBA 8897–8,
BMNH 1979.1.J14.15, AMSS 6639–42. [N.O.S.P., p. 20]

curtocaudatus var. Lumbricus rubellus Friend, 1892; J. Linn. Soc. Land. 24: 312. [N.O., p. 92]

curtosus, Rhinodrilus Righi, Ayres et Bittencourt, 1976; Acta Amaz. 6(3): 356; INPA 38. [N.O.S.P., p. 20]

curtus, Lumbricillus Coates, 1981; Can. J. Zool. 59(7): 1305; NMNS 1980.238. [N.O.S.S., p. 15]

curtus, Megascolex Stephenson, 1913; Spol. Zeyl. 8: 267; ZSIC 5082. [N.O., p. 92]

curtus, Olavius Erséus, 2003; Meiofauna Marina 12: 72; NHRS [as SMNH] Type Coll. 5433 [no paratypes].

curtus, Rhinodrilus Stephenson, 1931; Proc. Zool. Soc. Lond., 1931, p. 81; BMNH 1930:2:7:2. [N.O., p. 92]

curvipenis, Aktedrilus Erséus, 1980; Zool. Scripta 9(2): 101; MNHN AS5, AS6–12. [N.O.S.P., p. 20]

curvisetifera, Dichogaster Csuzdi et Zicsi, 1994; Mitt. Hamb. Zool. Mus. Inst. 89(2): 50; TIUB 299.

curvisetosa, Dichaeta Friend, 1896; Haplotaxis; Essex Nat. 9: 110. [N.O., p. 92]

curvisetosus, Psammoryctides Brinkhurst et Cook, 1966; Peloscolex, Isochaetides; Proc. Acad. Nat. Sci.
Phila. 118(1): 14; USNM 329889, 32988. [N.O., p. 92 – lapsus calami: 32988-9.]

curvithecus, Stylodrilus Callado, Martínez-Ansemil et Giani, 1993; Ann. Limnol. 29(2): 130;
MNCN 16.30-3010, 16.30-3011, 16.30-3012, 16.30-3013.

cusanica, Fridericia Schmelz, 2003; Abhandl. Naturwiss. Ver. Hamburg (NF) 38: 170;
ZMUH [as ZIM] OL 14261, OL 14262.

cusanicaformis, Fridericia Dózsa-Farkas, Feldföldi et Y. Hong, 2015; Zootaxa 4006(1): 181;
NIBR NIBRIV0000320521 (slide No. 1080), NIBRIV0000320522 (slide No. 1082);
TIUB P.104.1–2 (slide No. 1079, 1081). ZooBank. ^

cusiani, Righiodrilus Celis, Feijoo et Rangel-Ch., 2018; Zootaxa 4496(1): 441; Holotype: CICN (LVCelis
Collection series) LVCelis192; paratypes (n=9) CICN (LVCelis Collection series) LVCelis191; ZooBank. ^

cuspis, Phallodrilus Erséus et Dumnicka, 1988; Stygologia 4(2): 117; NHRS [as SMNH] 3942–3
[N.O.S.T., p. 14]; Abyssidrilus [see Erséus, 1992: Zool. Scripta 21(1): 18]; Aberrantidrilus
[see Martin et al. 2015: Zoosystema 37(4): 556]. ^

cuspisetosus, Tubificoides Baker, 1983; Can. J. Zool. 61(6): 1276; USNM 79839–43, NMNS 1982.1133–34.
[N.O.S.S., p. 16]

cuticulatus, Monopylephorus Baker et Brinkhurst, 1981; Can. J. Zool. 59(6): 950; USNM 61971–75,
NMNS 1980.1502a. [N.O.S.S., p. 16]

cyanea, Eophila Briones et Cosín, 1993; Graellsia 49: 74; ZDUS Eoy 001.

cyaneum, Enterion Savigny, 1826; Lumbricus, Allolobophora, Octolasium, Octolasion; Mém. Acad. Sci.
Inst. Fr. 5: 181; MNHN. [N.O., p. 92]

cyaneus ss. Lumbricus communis Hoffmeister, 1845; Regenwürmer, p. 24; typus amissus. [N.O., p. 92]

cyclops, Pheretima Cognetti, 1911; Amynthas; Boll. Mus. Torino 26(641): 1; ZMUA. [N.O., p. 92]

cyclops var. Chaetogaster diaphanus Hayden, 1922; Trans. Amer. Micros. Soc. 41: 168. [N.O., p. 92]

cygni var. Pontodrilus albanyensis Jackson, 1931; J. Roy. Soc. W. Aust. 17: 94. [N.O., p. 92]

cygnus, Vesiculodrilus Blakemore, 2000; Tasmanian Earthworms, p. 92; QVMA 14: 0532, 1721, 3690–95.

cylindrica, Fridericia Springett, 1971; J. Roy. Soc. W. Aust. 54: 1: WAMP 7-69 (10230), 8-69 (10231).
[N.O., p. 92]

cyrnea, Allolobophora Michaelsen, 1926; Eophila; Mitt. Mus. Hamb. 12: 225; MNHU 6424. [N.O., p. 92]

cyrtochaeta, Dichogaster Cognetti, 1908; Ann. Mus. Genova (3), 4: 91; MZUT 57. [N.O., p. 92]

———————————————————

¹ For taxon accounts listed above that are followed by the superscripted term, Typus amissus¹;
VIDE information associated with MLFD as listed on the Index Museorum page.

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