amazonensis, Parotocinclus Garavello [J. C.] 1977:7, Figs. 21-22 [Arquivos de Zoologia (São Paulo) v. 28 (no. 4); ref. 7249] Ilha Sorubim, Rio Solimões, Amazonas, Brazil. Holotype (unique): MZUSP 10145. Type catalog: Ferraris 2007:281 [ref. 29155]. •Valid as Parotocinclus amazonensis Garavello 1977 -- (Isbrücker 1980:79 [ref. 2303], Garavello 1988:124 [ref. 6853], Burgess 1989:438 [ref. 12860], Lacerda & Evers 1996:88 [ref. 22351], Isbrücker 2001:30 [ref. 25653], Ribeiro et al. 2002:223 [ref. 26534], Isbrücker 2002:25 [ref. 27178], Schaefer in Reis et al. 2003:326 [ref. 27061], Ferraris 2007:281 [ref. 29155], Lehmann A. et al. 2014:32 [ref. 33225], Lehmann A. et al. 2015:48 [ref. 33723], Roxo et al. 2016:131 [ref. 34921], Roxo et al. 2017:267 [ref. 35139], Roxo et al. 2019:354 [ref. 36855], Lehmann A. & Reis 2021:452 [ref. 38354]). •Synonym of Rhinotocinclus britskii (Boeseman 1974) -- (Reis & Lehmann A. 2022:19 [ref. 39390]). Current status: Synonym of Rhinotocinclus britskii (Boeseman 1974). Loricariidae: Hypoptopomatinae. Habitat: freshwater.