lithoides, Lithoxus Eigenmann [C. H.] 1912:242, Pl. 29 (figs. 1-4) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Amatuk, Guyana. Holotype: FMNH 53557 [ex CM 1527]. Paratypes: (181) AMNH 7119 (5); ANSP 39121 (1); BMNH 1911.10.31.109-112 (4); CAS 77332 [ex IU 11951] (10); FMNH 7415 (3), 53094 (50, 3 c&s), 53095-98 (10, 2, 3, 1), 53558 (1), 69707 (6), 69711 (46), 69803 (3); MCZ 30057 (2); CAS-SU 21928 (3); UMMZ 185334 [ex IU 11952] (3); USNM 66223 [ex CM 1528] (3); ZMA 110632 (3). Type catalog: Henn 1928:84 [ref. 12305], Nijssen et al. 1982:57 [ref. 19236], Böhlke 1984:123 [ref. 13621], Ibarra & Stewart 1987:53 [ref. 12367], Ferraris & Vari 1992:28 [ref. 19771], Ferraris 2007:267 [ref. 29155]. Appeared first as name only in Eigenmann 1910:412 [ref. 1224]. •Valid as Lithoxus lithoides Eigenmann 1912 -- (Isbrücker 1980:77-78 [ref. 2303], Boeseman 1982:46 [ref. 492], Burgess 1989:438 [ref. 12860], Nijssen & Isbrücker 1990:332 [ref. 16655], Muller & Isbrücker 1993:75 [ref. 20657], Isbrücker 2001:29 [ref. 25653], Isbrücker 2002:21 [ref. 27178], Fisch-Muller in Reis et al. 2003:389 [ref. 27061], Ferraris 2007:267 [ref. 29155], Lujan 2008:416 [ref. 29847], Silva et al. 2017:151 [ref. 35668], Lujan et al. 2018:[15] [ref. 36081]). Current status: Valid as Lithoxus lithoides Eigenmann 1912. Loricariidae: Hypostominae. Distribution: Essequibo and upper Correntyne River basin: Guyana and Suriname. Habitat: freshwater.