Eurycheilichthys Reis [R. E.] & Schaefer [S. A.] 1993:894 Masc. Eurycheilus pantherinus Reis & Schaefer 1992. Type by being a replacement name. Replacement for Eurycheilus Reis & Schaefer 1992, preoccupied by Eurycheilus Septfontaine 1970 in fossil cephalopods. •Synonym of Hisonotus Eigenmann & Eigenmann 1889 -- (Roxo et al. 2019:161 [ref. 36538]). •Valid as Eurycheilichthys Reis & Schaefer 1993 -- (Burgess & Finley 1996:169 [ref. 22901], Schaefer 1997:41 [ref. 23213], Reis & Schaefer 1998:23 [ref. 23691], Schaefer 1998:377 [ref. 23692], Isbrücker 2002:15 [ref. 27178], Schaefer in Reis et al. 2003:322 [ref. 27061], Ferraris 2007:236 [ref. 29155], Carvalho et al. 2008:336 [ref. 29839], Reis et al. 2012:10 [ref. 31863], Azpelicueta & Koerber 2014:1210 [ref. 33620], Bertaco et al. 2016:417 [ref. 34561], Reis 2017:[4] [ref. 35226], Delapiewe et al. 2023:2 [ref. 40645]). Current status: Valid as Eurycheilichthys Reis & Schaefer 1993. Loricariidae: Hypoptopomatinae.