macarenensis, Phenacorhamdia Dahl [G.] 1961:504, Fig. [Novedades Colombianas v. 1 (no. 6); ref. 1027] Caño Lozada, upper Guaviare River basin, Colombia. Holotype (unique): Probablay lost. Type catalog: Ferraris 2007:189 [ref. 29155]. •Valid as Phenacorhamdia macarenensis Dahl 1961 -- (Britski 1993:44 [ref. 21110], Burgess & Finley 1996:167 [ref. 22901], Zarske 1998:30 [ref. 23981], Bockmann & Guazzelli in Reis et al. 2003:416 [ref. 27061], Ferraris 2007:189 [ref. 29155], DoNascimiento & Milani 2008:164 [ref. 29737], DoNascimiento et al. 2017:91 [ref. 35633]). Current status: Valid as Phenacorhamdia macarenensis Dahl 1961. Heptapteridae: Heptapterinae. Distribution: Guaviare River basin, Colombia. Habitat: freshwater.