axelrodi, Sternarchorhynchus de Santana [C. D.] & Vari [R. P.] 2010:275, Figs. 26-27 [Zoological Journal of the Linnean Society v. 159 (no. 1); ref. 30785] Rio Tocantins, at future site of Usina Hidroeléctrica Serra da Mesa (ca, 13°44'S, 48°08'W), Município de Minaçu/Cavalcante, Goiás, Brazil. Holotype: MNRJ 31279. Paratypes: MNRJ 12168 (8), USNM 391570 (1). Plus non-type specimens. Type catalog: Ferraris et al. 2017:[12] [ref. 35236]. •Valid as Sternarchorhynchus axelrodi de Santana & Vari 2010 -- (Ferraris et al. 2017:[12] [ref. 35236]). Current status: Valid as Sternarchorhynchus axelrodi de Santana & Vari 2010. Apteronotidae: Apteronotinae. Distribution: Tocantins River, Brazil. Habitat: freshwater.