Oxyropsis Eigenmann [C. H.] & Eigenmann [R. S.] 1889:39 Fem. Oxyropsis wrightiana Eigenmann & Eigenmann 1889. Type by original designation (also monotypic). •Synonym of Hypoptopoma Günther 1868 -- (Isbrücker 1980:86 [ref. 2303]). •Valid as Oxyropsis Eigenmann & Eigenmann 1889 -- (Schaefer 1991:2 [ref. 18926], Burgess & Finley 1996:169 [ref. 22901], Schaefer 1997:41 [ref. 23213], Schaefer & Provenzano 1998:225 [ref. 23317], Schaefer 1998:377 [ref. 23692], de Pinna 1998:305 [ref. 23847], Aquino & Schaefer 2002:375 [ref. 26022], Isbrücker 2002:24 [ref. 27178], Schaefer in Reis et al. 2003:325 [ref. 27061], Ferraris 2007:276 [ref. 29155], Aquino & Sabaj Pérez 2016:129 [ref. 34526], Delapieve et al. 2018:23 [ref. 35713]). Current status: Valid as Oxyropsis Eigenmann & Eigenmann 1889. Loricariidae: Hypoptopomatinae.