scabripinnis, Tetragonopterus Jenyns [L.] 1842:125, Pl. 23 (figs. 3, 3a) [The zoology of the voyage of H. M. S. Beagle; ref. 2344] Rio de Janeiro, Brazil. Holotype (unique): BMNH 1917.7.14.15. •Mention in conjunction with Astyanax scabripinnis laticeps (Malabarba 1989:129 [ref. 14217]). •Valid as Astyanax scabripinnis (Jenyns 1842) -- (Castro & Casatti 1997:342 [ref. 23333], Miquelarena et al. 1997:67 [ref. 23469], Gómez & Chebez 1996:50 [ref. 23791], Garutti & Britski 2000:85 [ref. 24769], Bertaco & Malabarba 2001:231 [ref. 25645], López et al. 2003:24 [ref. 27366], Castro & Vari 2004:332 [ref. 27972], Menni 2004:77 [ref. 28131], Miquelarena & Menni 2005:669 [ref. 28391], Bertaco & Lucena 2006:57 [ref. 28628], Abilhoa & Duboc 2007:45 [ref. 29285], Garutti & Venere 2009:378 [ref. 30493], Bertaco & Lucena 2010:18 [ref. 30750], Bertaco et al. 2010:266 [ref. 30864], Tagliacollo et al. 2011:41 [ref. 31138], Oliveira et al. 2013:292 [ref. 32756], Lucena et al. 2013:540 [ref. 32914], Ingenito & Duboc 2014:282 [ref. 33374], Mirande & Koerber 2015:2 [ref. 33698] not Argentina, Zanata et al. 2018:486 [ref. 35984]). Current status: Valid as Astyanax scabripinnis (Jenyns 1842). Characidae: Stethaprioninae. Distribution: Brazil [possible restricted to Rio de Janeiro State and possible extinct]. Habitat: freshwater.