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.