mbya, Heptapterus Azpelicueta [M. de las M.], Aguilera [G.] & Mirande [J. M.] 2011:320, Figs. 13 [Revue Suisse de Zoologie v. 118 (no. 2); ref. 31489] Arroyo Moreno at Ruta Provincial 202, 26°54'24"S, 54°54'50"W, río Paraná basin, Misiones Province, Argentina. Holotype: CI-FML 4008. Paratypes: AL 247 (4, 1 c&s), 269 (2); CI-FML 4009 (2), 4010 (2); MHNG 2722.092 (4). The name mbya is a noun; based on aborigines. •Valid as Heptapterus mbya Azpelicueta, Aguilera & Mirande 2011 -- (Koerber 2014:6 [ref. 33621], Mirande & Koerber 2015:34 [ref. 35117], Aguilera et al. 2017:579 [ref. 35499], Deprá et al. 2022:330 [ref. 39580]). Current status: Valid as Heptapterus mbya Azpelicueta, Aguilera & Mirande 2011. Heptapteridae: Heptapterinae. Distribution: Paraná River basin, Misiones Province, Argentina. Habitat: freshwater.