bovallii, Ancistrus Regan [C. T.] 1906:96 [Annals and Magazine of Natural History (Series 7) v. 17 (no. 97); ref. 3627] Kaat River, tributary of Treng River [= Ireng], upper Potaro, Guyana. Lectotype: BMNH 1905.11.1.43. Paralectotypes: BMNH 1905.11.1.44-48 (6). Type catalog: Ferraris 2007:267 [ref. 29155]. Lectotype selected by Nijssen & Isbrücker 1990:332 [ref. 16655]. •Valid as Ancistrus bovallii Regan 1906 -- (Boeseman 1982:49 [ref. 492], Nijssen & Isbrücker 1990:332 [ref. 16655]). •Valid as Lithoxus bovallii (Regan 1906) -- (Isbrücker 1980:77 [ref. 2303], Burgess 1989:438 [ref. 12860], Muller & Isbrücker 1993:75 [ref. 20657], Schindler 1996:223 [ref. 34080], Le Bail et al. 2000:246 [ref. 24549], Isbrücker 2001:25, 29 [ref. 25653], Isbrücker 2002:21 [ref. 27178], Fisch-Muller in Reis et al. 2003:389 [ref. 27061], Ferraris 2007:267 [ref. 29155], Silva et al. 2017:167 [ref. 35668]). •Valid as Paralithoxus bovallii (Regan 1906) -- (Lujan et al. 2018:[12] [ref. 36081], Rapp-Py-Daniel et al. 2019:[9] [ref. 37169], Taphorn et al. 2022:52 [ref. 41297]). Current status: Valid as Paralithoxus bovallii (Regan 1906). Loricariidae: Hypostominae. Distribution: South America: upper Ireng River (border between Guyana and Brazil). Habitat: freshwater.