hasemani, Sternarchus Ellis [M. M.] 1913:147, Pl. 23 (fig. 1) [Memoirs of the Carnegie Museum v. 6 (no. 3); ref. 1271] Santarém, Pará, Brazil. Holotype: FMNH 54562 [ex CM 3191]. Paratypes: CAS 62555 [ex IU 13413, CM 3192] (4); FMNH 15199-200 (1, 1), 92070 (13). Type catalog: Henn 1928:71 [ref. 12305], Ibarra & Stewart 1987:81 [ref. 12367], Ferraris et al. 2017:[9] [ref. 35236]. •Valid as Apteronotus hasemani (Ellis 1913) -- (Ortega & Vari 1986:12 [ref. 9708], Mago-Leccia 1994:29 [ref. 21320], Cox Fernandes 1998:730 [ref. 23422], Albert & Campos-da-Paz 1998:430 [ref. 23853] but genus uncertain, Cox Fernandes et al. 2002:57 [ref. 25889]). •Synonym of Parapteronotus bonapartii (Castelnau 1855) -- (Triques 2007:85 [ref. 29060]). •Valid as Parapteronotus hasemani (Ellis 1913) -- (Albert 2001:73, 110 [ref. 25614], Albert in Reis et al. 2003:499 [ref. 27061], Ivanyisky & Albert 2014:579 [ref. 35449], Ferraris et al. 2017:[9] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633], Bernt et al. 2018:473 [ref. 35797], Ochoa et al. 2020:63 [ref. 37781], Meza-Vargas et al. 2021:21 [ref. 39298], Torgersen et al. 2023:773 [ref. 40692]). Current status: Valid as Parapteronotus hasemani (Ellis 1913). Apteronotidae: Apteronotinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.