occidentalis, Hypopomus Regan [C. T.] 1914:32 [Annals and Magazine of Natural History (Series 8) v. 14 (no. 79); ref. 14172] Río Condoto, Pacific slope of Colombia. Syntypes: (6) BMNH 1914.5.18.94-98 and BMNH 2012.6.13.1 (1). Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Hypopomus occidentalis Regan 1914 -- (Bussing 1987:99 [ref. 22927], Hopkins 1991:155 [ref. 19506], Galvis et al. 1997:102 [ref. 23651], Bussing 1998:134 [ref. 24179]). •Valid as Brachyhypopomus occidentalis (Regan 1914) -- (Mago-Leccia 1994:48 [ref. 21320], Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Triques & Khamis 2003:63 [ref. 27465], de Santana et al. 2004:2 [ref. 27412], Loureiro & Silva 2006:671 [ref. 28920], Giora et al. 2008:159 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], Angulo et al. 2013:994 [ref. 33194], Sullivan et al. 2013:3 [ref. 32879], Barriga Salazar 2014:116 [ref. 35745], Jiménez-Prado et al. 2015:283 [ref. 34894], Crampton et al. 2016:56 [ref. 34832], Crampton et al. 2017:741 [ref. 35114], DoNascimiento et al. 2017:66 [ref. 35633], Ferraris et al. 2017:[23] [ref. 35236], Dutra et al. 2021:12 [ref. 38178]). Current status: Valid as Brachyhypopomus occidentalis (Regan 1914). Hypopomidae. Distribution: Ecuador, Colombia, Venezuela, Panama and Costa Rica. Habitat: freshwater.