macrostomus, Sternarchus Fowler [H. W.] 1943:263, Fig. 63 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1443] Villavicencio, Río Meta basin, Colombia. Holotype (unique): ANSP 70528. Type catalog: Böhlke 1984:22 [ref. 13621], Ferraris et al. 2017:[8] [ref. 35236]. Apparently preoccupied by Sternarchus macrostoma [us] Günther 1870, name apparently should be replaced. •Treated as valid -- (Mago-Leccia 1994:30 [ref. 21320]). •See Albert & Campos-da-Paz 1998:431 [ref. 23853]. •Valid as Parapteronotus macrostomus (Fowler 1943) -- (Triques 2005:144 [ref. 28939], Triques 2007:85 [ref. 29060], Barriga Salazar 2014:116 [ref. 35745]). •Valid as Apteronotus macrostomus (Fowler 1943) -- (Albert 2001:110 [ref. 25614], Albert in Reis et al. 2003:499 [ref. 27061], de Santana & Crampton 2006:115 [ref. 28765], de Santana et al. 2007:117 [ref. 29198], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:584 [ref. 32777], DoNascimiento 2016:540 [ref. 34727], Ferraris et al. 2017:[8] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633]). Current status: Valid as Apteronotus macrostomus (Fowler 1943). Apteronotidae: Apteronotinae. Distribution: Meta River basin, Orinoco River system: Colombia, Ecuador and ?Venezuela. Habitat: freshwater.