chico, Astyanax Casciotta [J. R.] & Almirón [A. E.] 2004:12, Figs. 1-3 [Zoologische Abhandlungen; Staatliches Museum für Tierkunde in Dresden v. 54; ref. 27985] Río de Zora in route 34, río San Francisco basin, Jujuy Province, Argentina. Holotype: MACN-Ict 8673. Paratypes: AI 168 (9, 2 c&s), 169 (2); MHNG 2644.100 (2); MTD F 28331-32 (2). Type catalog: Nadalin & López 2015:1 [ref. 34112]. •Valid as Astyanax chico Casciotta & Almirón 2004 -- (Protogino et al. 2006:11 [ref. 28780], Mirande et al. 2006:58 [ref. 28784], Vari & Castro 2007:158 [ref. 29039], Abilhoa & Duboc 2007:45 [ref. 29285], Mirande et al. 2007:38 [ref. 29333], Almirón et al. 2010:67 [ref. 30813], Mirande 2010:516 [ref. 31006], Soneira et al. 2010:785 [ref. 31078], Koerber 2011:3 [ref. 31122], Koerber 2014:4 [ref. 33621], Sarmiento et al. 2014:183 [ref. 35004], Bertaco & Vigo 2015:269 [ref. 33857], Mirande & Koerber 2015:23 [ref. 35117], Terán et al. 2017:7 [ref. 35358]). •Valid as Psalidodon chico (Casciotta & Almirón 2004) -- (Mirande & Koerber 2020:2 [ref. 37594], Terán et al. 2020:10 [ref. 37440]). Current status: Valid as Psalidodon chico (Casciotta & Almirón 2004). Characidae: Stethaprioninae. Distribution: South America: San Francisco River basin (Argentina and Bolivia). Habitat: freshwater.