bilobatum, Hypoptopoma Cope [E. D.] 1870:566, Figs. [Proceedings of the American Philosophical Society v. 11; ref. 914] Pebas, Peru. Syntypes: ANSP 8280-81 (2). Type catalog: Böhlke 1984:121 [ref. 13621], Ferraris 2007:250 [ref. 29155]. •Valid as Hypoptopoma bilobatum Cope 1870 -- (Isbrücker 1980:87 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:439 [ref. 12860], Montoya-Burgos et al. 1998:367 [ref. 23850], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Schaefer in Reis et al. 2003:323 [ref. 27061], Ferraris 2007:250 [ref. 29155], Chiachio et al. 2008:610 [ref. 30127], Barriga Salazar 2014:112 [ref. 35745]). •Synonym of Hypoptopoma thoracatum Günther 1868 -- (Aquino & Schaefer 2010:38 [ref. 30875]). Current status: Synonym of Hypoptopoma thoracatum Günther 1868. Loricariidae: Hypoptopomatinae. Distribution: Amazon River basin: Peru and Ecuador [if valid]. Habitat: freshwater.