melanura, Hasemania Ellis [M. D.] 1911:149, Pl. 1 (fig. 2) [Annals of the Carnegie Museum v. 8 (no. 1, art. 2); ref. 1269] Rio Iguaçu at Porto União, Brazil. Holotype: FMNH 54384 [ex CM 3002]. Paratypes: (49) CAS 44315 [ex IU 13292, CM 3003] (8), FMNH 54385 (39). Type catalog: Henn 1928:64 [ref. 12305], Ibarra & Stewart 1987:43 [ref. 12367]. •Valid as Hasemania melanura Ellis 1911 -- (Zarske & Géry 1999:95 [ref. 23982], López et al. 2002:59 [ref. 26808], Pavanelli in Reis et al. 2003:129 [ref. 27061], Bertaco & Malabarba 2007:350 [ref. 29142], Zanata & Serra 2010:21 [ref. 30751], Serra & Langeani 2015:485 [ref. 33944], Reis et al. 2020:459 [ref. 38364]). Current status: Valid as Hasemania melanura Ellis 1911. Acestrorhamphidae: Stichonodontinae. Distribution: South America: Iguaçu River basin (Brazil). Habitat: freshwater.