britskii, Sternarchorhynchus Campos-da-Paz [R.] 2000:528, Fig. 9 [Copeia 2000 (no. 2); ref. 24452] Rio Paramá at Ilha Solteira dam (right margin), about 20°30'S, 51°00'W, Mato Grosso do Sul, Brazil. Holotype: MZUSP 52923. Paratypes: MCP 12123 (1); MNRJ 17590 (1); MZUSP 24464 (6), 43277 (3, c&s). Plus non-type material. Type catalog: Ferraris et al. 2017:[12] [ref. 35236]. •Valid as Sternarchorhynchus britskii Campos-da-Paz 2000 -- (Albert 2001:112 [ref. 25614], Albert in Reis et al. 2003:500 [ref. 27061], de Santana & Crampton 2006:58 [ref. 28619], de Santana & Nogueira 2006:85 [ref. 28638], de Santana & Vari 2010:281 [ref. 30785], Triques 2011:304 [ref. 31671], Ferraris et al. 2017:[12] [ref. 35236], Reis et al. 2020:463 [ref. 38364]). Current status: Valid as Sternarchorhynchus britskii Campos-da-Paz 2000. Apteronotidae: Apteronotinae. Distribution: South America: upper Paraná River basin (Brazil). Habitat: freshwater.