elachylepis, Astyanax Bertaco [V. A.] & Lucinda [P. H. F.] 2005:390, Figs. 2-3 [Neotropical Ichthyology v. 3 (no. 3); ref. 28387] Ribeirão Arara, about 500 meters from mouth of rio Maranhão at Rosariana, Niquelândia, Goiás, Brazil, about 14°02'S, 48°26'W. Holotype: MCP 37568. Paratypes: MCP 15862 (2), 15922 (1), 16054 (15, 2 C&S); MZUSP 30258 (17), 40533 (112), 58093 (16); UNT 740 (1), 1891 (10), 2033 (36), 2036 (1), 2037 (3), 2157 (1), 2158 (2). Plus non-type material. •Valid as Astyanax elachylepis Bertaco & Lucinda 2005 -- (Protogino et al. 2006:12 [ref. 28780], Vari & Castro 2007:158 [ref. 29039], Garutti & Venere 2009:377 [ref. 30493], da Graça et al. 2017:12 [ref. 35556], Lucena et al. 2017:6 [ref. 35607]). Current status: Valid as Astyanax elachylepis Bertaco & Lucinda 2005. Characidae: Stethaprioninae. Distribution: Tocantins River drainage, Brazil. Habitat: freshwater.