intermedius, Astyanax scabripinnis Eigenmann [C. H.] 1908:98 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Rio Paraíba and Rio Santa Clara, Brazil. Lectotype: MCZ 20684. Paralectotypes: (many) CAS 42485 [ex MCZ 20939 & IU 15253] (1), CAS 42486 [MCZ 20684 & IU 15254] (4); MCZ 20635 (2), MCZ 20684 (6, now 5), 20919 (38), 20930 (2), 95545 (1). Lectotype selected by de Melo 2001:17 [ref. 27458]. •Synonym of Astyanax scabripinnis (Jenyns 1842), but a valid subspecies -- (Triques et al. 2003:149 [ref. 27248], Oliveira et al. 2017:180 [ref. 35587]). •Valid as Astyanax intermedius Eigenmann 1908 -- (de Melo 2001:17 [ref. 27458], Buckup in Reis et al. 2003:110 [ref. 27061], Bertaco & Lucena 2006:58 [ref. 28628], Vari & Castro 2007:159 [ref. 29039], Zanata & Camelier 2009:175 [ref. 30252], Bertaco et al. 2010:267 [ref. 30864], Tagliacollo et al. 2011:41 [ref. 31138], Ingenito & Duboc 2014:282 [ref. 33374], Marinho et al. 2015:576 [ref. 33708], Zanata et al. 2017:508 [ref. 35145], da Graça et al. 2017:13 [ref. 35556], Zanata et al. 2018:486 [ref. 35984]). •Valid as Deuterodon intermedius (Eigenmann 1908) -- (Terán et al. 2020:7 [ref. 37440], Vieira-Guimarães et al. 2024:38 [ref. 41258]). Current status: Valid as Deuterodon intermedius (Eigenmann 1908). Acestrorhamphidae: Stygichthyinae. Distribution: South America. Paraíba do Sul River basin and coastal rivers of Rio de Janeiro State (Brazil). Habitat: freshwater.