crenatus, Stethaprion Eigenmann [C. H.] 1916:80, Figs. 2-3; Pl. 16 [Annals of the Carnegie Museum v. 10 (nos 1-2) (art. 6); ref. 1233] San Joaquín, Bolivia. Holotype: FMNH 56413 [ex CM 5228a]. Paratypes: FMNH 56414 [not 56415] (2), 56941 (1). Type catalog: Henn 1928:68 [ref. 12305], Ibarra & Stewart 1987:82 [ref. 12367]. •Valid as Stethaprion crenatum Eigenmann 1916 -- (Reis 1989:55 [ref. 14219], Reis in Reis et al. 2003:210 [ref. 27061], Sarmiento et al. 2014:185 [ref. 35004], Garcia-Ayala et al. 2017:572 [ref. 35695]). Current status: Valid as Stethaprion crenatum Eigenmann 1916. Acestrorhamphidae: Stethaprioninae. Distribution: South America: upper Purus, Madeira, and lower Amazon River basins, Bolivia and Brazil. Habitat: freshwater.