robustus, Astyanax Meek [S. E.] 1912:69 [Field Museum of Natural History, Publications, Zoölogical Series v. 10 (no. 7); ref. 2960] Virginia River, Costa Rica. Holotype: FMNH 7682. Possible paratypes: (116) FMNH 7862-63 (18, 9), 7865 (32), 96020 (2), 101062-64 (7, 23, 25). Type catalog: Ibarra & Stewart 1987:14 [ref. 12367]. •Valid as Astyanax robustus Meek 1912 -- (Buckup in Reis et al. 2003:112 [ref. 27061], Zanata & Bertaco 2024:107 [ref. 40817]). •Synonym of Bryconamericus scleroparius (Regan 1908) -- (Schmitter-Soto 2017:1416 [ref. 35414]). •Synonym of Eretmobrycon scleroparius (Regan 1908). Current status: Uncertain as Eretmobrycon scleroparius (Regan 1908). Characidae: Characids incertae sedis. Habitat: freshwater.