Species that contain: Hypoptopoma and thoracatum [ 3 ] records

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.

steindachneri, Hypoptopoma Boulenger [G. A.] 1895:526 [Proceedings of the Zoological Society of London 1895 (pt 3); ref. 14576] Amazon River near outlet of Rio Negro, Brazil. Holotype (unique): NMW 46272. Type information: Schaefer 1996:1032 [ref. 22569]. Type catalog: Ferraris 2007:250 [ref. 29155]. Based on Hypoptompoma thoracatum of Steindachner 1879:47, Pl. 6 (fig. 1) [ref. 4228]. •Valid as Hypoptopoma steindachneri Boulenger 1895 -- (Isbrücker 1980:88 [ref. 2303], Burgess 1989:439 [ref. 12860], Chang & Ortega 1995:4 [ref. 24302], Isbrücker 2001:28 [ref. 25653], Aquino & Schaefer 2002:386 [ref. 26022], Isbrücker 2002:18 [ref. 27178], Schaefer in Reis et al. 2003:323 [ref. 27061], Ferraris 2007:250 [ref. 29155], Aquino & Schaefer 2010:76 [ref. 30875], Barriga Salazar 2014:112 [ref. 35745], DoNascimiento et al. 2017:76 [ref. 35633], Delapieve et al. 2018:22 [ref. 35713], Meza-Vargas et al. 2021:25 [ref. 39298]). Current status: Valid as Hypoptopoma steindachneri Boulenger 1895. Loricariidae: Hypoptopomatinae. Distribution: South America: upper Amazon River basin (Brazil, Ecuador, Colombia and Peru). Habitat: freshwater.

thoracatum, Hypoptopoma Günther [A.] 1868:477 [Annals and Magazine of Natural History (Series 4) v. 1 (no. 6) (art. 56); ref. 1992] Xeberos, upper Amazon River, Peru. Holotype (unique): BMNH 1867.6.13.38. Type catalog: Ferraris 2007:250 [ref. 29155]. Also published in Günther (Sept.) 1868:234, Fig. 2 [ref. 5756]. •Valid as Hypoptopoma thoracatum Günther 1868 -- (Isbrücker 1980:88 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:439 [ref. 12860], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Schaefer in Reis et al. 2003:323 [ref. 27061], Ferraris 2007:250 [ref. 29155], Aquino & Schaefer 2010:38 [ref. 30875], Barriga Salazar 2014:112 [ref. 35745], Sarmiento et al. 2014:162, 191 [ref. 35004], DoNascimiento et al. 2017:76 [ref. 35633], Delapieve et al. 2018:22 [ref. 35713], Meza-Vargas et al. 2021:25 [ref. 39298]). Current status: Valid as Hypoptopoma thoracatum Günther 1868. Loricariidae: Hypoptopomatinae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Colombia, Ecuador and Peru). Habitat: freshwater.