heterura, Compsura Eigenmann [C. H.] 1915:61, Fig. 19; Pl. 10 (fig. 1) [Memoirs of the Carnegie Museum v. 7 (no. 1); ref. 1231] Rio Itapicurú at Queimadas, Brazil. Holotype: FMNH 57825 [ex CM 6808]. Paratypes: (13) FMNH 57826 (10), UMMZ [ex FMNH 57826] (1), CAS-SU 17513 [ex FMNH 57826, ex CM 6809] (1). Type catalog: Henn 1928:58 [ref. 12305], Böhlke 1953:23 [ref. 12291], Ibarra & Stewart 1987:27 [ref. 12367]. •Valid as Compsura heterura Eigenmann 1915 -- (Malabarba & Weitzman 1999:416 [ref. 24417], Malabarba & Weitzman 2000:280 [ref. 24413], Malabarba in Reis et al. 2003:217 [ref. 27061], Ramos et al. 2014:4 [ref. 35321], Costa et al. 2017:44 [ref. 35684], Silva et al. 2020:5 [ref. 37809], Koerber et al. 2022:41 [ref. 39235], Jerep et al. 2024:132 [ref. 40817], Vieira-Guimarães et al. 2024:36 [ref. 41258]). Current status: Valid as Compsura heterura Eigenmann 1915. Characidae: Cheirodontinae. Distribution: South America: São Francisco and Parnaíba River basins and Atlantic versant rivers (Brazil). Habitat: freshwater.