villasboasi, Sternarchorhynchus de Santana [C. D.] & Vari [R. P.] 2010:354, Fig. 77 [Zoological Journal of the Linnean Society v. 159 (no. 1); ref. 30785] Cochoeira de Kaituká, at Altamira (3°12'S, 52°12'W), Rio Xingu, Pará, Brazil. Holotype: INPA 28361. Paratypes: INPA 3934 (1), 32084 (1). Type catalog: Ferraris et al. 2017:[15] [ref. 35236]. •Valid as Sternarchorhynchus villasboasi de Santana & Vari 2010 -- (Ferraris et al. 2017:[15] [ref. 35236]). Current status: Valid as Sternarchorhynchus villasboasi de Santana & Vari 2010. Apteronotidae: Apteronotinae. Distribution: Xingu River, Brazil. Habitat: freshwater.