platyrhynchus, Hemiancistrus Fowler [H. W.] 1943:252, Figs. 36-39 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1443] Florencia, Río Orteguasa basin, Colombia. Holotype: ANSP 70512. Paratypes: ANSP 70513-15 (3). Type catalog: Böhlke 1984:124 [ref. 13621], Ferraris 2007:232 [ref. 29155]. Specific name to be treated as a noun in apposition -- Ballen et al. 2016:194 [ref. 34396]. •Valid as Peckoltia platyrhynchus (Fowler 1943) -- (Isbrücker 1980:56 [ref. 2303] as platyrhyncha, Burgess 1989:435 [ref. 12860] as platyrhyncha). •Valid as Cordylancistrus platyrhynchus (Fowler 1943) -- (see Burgess & Finley 1996:168 [ref. 22901] as platyrhyncha, Isbrücker 2001:26, 27 [ref. 25653], Isbrücker 2002:15 [ref. 27178], Cardoso & Lucinda 2003:74 [ref. 26858], Fisch-Muller in Reis et al. 2003:383 [ref. 27061], Provenzano & Milani 2006:34 [ref. 28579], Ferraris 2007:232 [ref. 29155]). •Valid as Chaetostoma platyrhyncha (Fowler 1943) -- (Tan & Armbruster 2012:52 [ref. 31842], Armbruster et al. 2015:99 [ref. 33670]). •Valid as Chaetostoma platyrhynchus (Fowler 1943) -- (Ballen 2011:388 [ref. 31653], Lujan et al. 2015:666 [ref. 33975], Ballen et al. 2016:194 [ref. 34396], Provenzano et al. 2017:263 [ref. 35613], DoNascimiento et al. 2017:80 [ref. 35633], Urbano-Bonilla & Ballen 2021:12 [ref. 38058]). Current status: Valid as Chaetostoma platyrhynchus (Fowler 1943). Loricariidae: Hypostominae. Distribution: Amazon and Orinoco River basins, Colombia. Habitat: freshwater.