mormyrus, Sternarchus Steindachner [F.] 1868:176 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 5 (no. 20) (for 23 July 1868); ref. 20464] Maribitanos, Brazil. Syntypes: (several) NMW 65336 (1), 65345 (1). Type catalog: Ferraris et al. 2017:[14] [ref. 35236]. Species was later illustrated and described in more detail in Steindachner 1868:253, Pl. 1 (fig. 3) [ref. 14082]. •Valid as Sternarchorhynchus mormyrus (Steindachner 1868) -- (Mago-Leccia 1994:37 [ref. 21320], Campos-da-Paz 2000:528 [ref. 24452], Albert 2001:112 [ref. 25614], Albert in Reis et al. 2003:501 [ref. 27061], de Santana & Crampton 2006:58 [ref. 28619], de Santana & Nogueira 2006:85 [ref. 28638], de Santana & Vari 2010:326 [ref. 30785], Barriga Salazar 2014:116 [ref. 35745], DoNascimiento et al. 2017:68 [ref. 35633], Ferraris et al. 2017:[14] [ref. 35236], Bernt et al. 2018:475 [ref. 35797], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn & Lasso in Lasso & Morales-Betancourt 2022:84 [ref. 40783], Torgersen et al. 2023:777 [ref. 40692]). Current status: Valid as Sternarchorhynchus mormyrus (Steindachner 1868). Apteronotidae: Apteronotinae. Distribution: South America: Amazon and Orinoco river basins (Brazil, Peru, Ecuador, Colombia and Venezuela). Habitat: freshwater.