[ page update: 2019-IX-03; 2022-I-14, II-21; 2023-II-19,20, III-18; XII-01; mjw ]
U
Udeina Michaelsen, 1910; Ergeb. D. Zent.-Afr.-Exped. (1907-8) (Zool.) 3(1): 4; Typ: Yangansia kinbergi Michaelsen, 1899. (Acanthodrilidae) [N.O., p. 62]
Umbadrilus Timm, 1978; Hydrobiol. Res. VII, Acad. Sci. Estonian SSR, p. 87; Typ: U. saamicus Timm, 1978. (Tubificidae) [N.O.S.P., p. 18]
Uncinais Levinsen, 1884; Vid. Meddel. Nat. Foren., 1883, p. 218; Typ: Nais uncinata Ørsted, 1842. (Naididae) [N.O., p. 62]
Uniporodrilus Erséus, 1979; Trans. Amer. Micros. Soc. 98(3): 414; Typ: U. granulothecus Erséus, 1979. (Tubificidae) [N.O.S.P., p. 18]
Unyoria Michaelsen, 1896; D.-O. Afr. 4: 11; Typ: U. papillata Michaelsen, 1896. (Eudrilidae) [N.O., p. 62]
Urobenus Benham, 1886. Quart. J. Micros. Sci. (n.s.) 27: 77; Typ: U. brasiliensis Benham, 1886.
(Glossoscolecidae) [N.O., p. 62]
Urochaeta Perrier, 1872; N. Arch. Mus. Paris 8: 142; Typ: U. hystrix Perrier, 1872. (Glossoscolecidae)
[N.O., p. 62]
Urocheta Perrier, 874; Arch. Zool. Exp. Gen. 3: 334; pro: Urochaeta Perrier, 1872. [N.O., p. 62]
Uronais Gervais, 1838; Bull. Acad. Belg. 5: 18; Typ: Nais barbata Müller, 1774. (Naididae) [N.O., p. 62]
Uktena Fend, Rodriguez et Lenat, 2015; Zootaxa 3994(3): 412; Typ: U. riparia Fend, Rodriguez et
Lenat, 2015 (Lumbriculidae).
V
Vadicola Baker, 1982; Can. J. Zool. 60(11): 3232; Typ: V. aprostatus Baker, 1982. (Tubificidae)
[N.O.S.S., p. 9]
Varichaeta Brinkhurst, 1981; Proc. Biol. Soc.Wash. 94(4): 1051; Typ: V. pacifica Brinkhurst, 1981.
(Tubificidae) [N.O.S.S., p. 9] ^
Varichaetadrilus Brinkhurst et Kathman, 1983; Proc. Biol. Soc. Wash. 96(2): 301; Typ: Varichaeta pacifica
Brinkhurst, 1981. (Tubificidae) (nom. novo pro: Varichaeta Brinkhurst, 1981, non Speiser, 1903 (Diptera
[N.O.S.S., p. 9]
Vazimbascolex Hong, Razafindrakoto et Csuzdi, 2019; Acta Zool. Hung. 65(3): 225; Typ: Vazimbascolex
alaotranus Hong, Razafindrakoto et Csuzdi, 2019 (Acanthodrilidae). ^
Vejdovskyella Michaelsen, 1903; Geog. Ver. Oligo., p. 184; pro: Bohemilla Vejdovský, 1883 et Bohemillula
Strand, 1928. (Naididae) [N.O., p. 62]
Vermiculus Goodrich, 1892; Zool. Anz. 15: 474; Typ: V. pilosus Goodrich, 1892. (Tubificidae) [ N.O., p. 62]
Vesiculodrilus Jamieson, 1973; Rec.Aust. Mus. 28(11): 215; Typ: Cryptodrilus frenchi Spencer, 1892.
(Megascolecidae) [N.O., p. 62]
Veterovermis Imhof, 1888; Zool. Anz. 11: 48; Typ: V. hyalinus Imhof, 1888. (Naididae) [N.O., p. 62]
Vignysa Bouché, 1970; Pedobiologia 10: 249; Typ: V. popi Bouché, 1970. (Hormogastridae) [N.O., p. 62]
Villiersia Omodeo, 1987; Hydrobiologia 155: 1; Typ: V. guanivora Omodeo, 1987. (Haplotaxidae (=Haplolumbriculus Omodeo, 1958; nom. nud., [vide N.O., p. 53; N.O.S.S., p. 9]
Vindoboscolex Márchan, 2021; J. Zool. Syst. Evol. Res. 2021 00: 9; Typ: Eophila hrabei Cernosvitov, 1935. (Lumbricidae)^
Vomia Segun, 1976; Proc. Biol. Soc. Wash. 88(36): 384; Typ: V. prima Segun, 1976. (Eudrilidae) [N.O.S.P., p. 18]
Vosgesia Martínez Navarro et Marchán, [2022(sic)] 2023; J. Zool. System. Evol. Res. 2023, article ID 5479917, p. 10 of 14; Typ: Allolobophora zicsii (Bouché, 1972). (Lumbricidae).^