bolivianus, Imparfinis Pearson [N. E.] 1924:12, Pl. 2 (fig. 3) [Indiana University Studies v. 11 (no. 64); ref. 3396] Huachi, Bolivia. Syntypes: CAS 63632 [ex IU 17269] (2). Type catalog: Ferraris 2007:188 [ref. 29155]. •Not in genus Imparfinis, is a Heptapterus -- (Mees & Cala 1989:382 [ref. 14277]). •Valid as Imparfinis bolivianus Pearson 1924 -- (Ortega & Vari 1986:14 [ref. 9708]). •Valid as Heptapterus bolivianus (Pearson 1924) -- (Burgess 1989:276 [ref. 12860]). •Valid as Phenacorhamdia boliviana (Pearson 1924) -- (Britski 1993:45 [ref. 21110], Burgess & Finley 1996:167 [ref. 22901], Zarske 1998:30 [ref. 23981], Bockmann & Guazzelli in Reis et al. 2003:416 [ref. 27061], Ferraris 2007:188 [ref. 29155], DoNascimiento & Milani 2008:164 [ref. 29737], Sarmiento et al. 2014:191 [ref. 35004], Silva 2020:281 [ref. 37978]). Current status: Valid as Phenacorhamdia boliviana (Pearson 1924). Heptapteridae: Heptapterinae. Distribution: Upper Mamoré and Purus River drainages, Madeira River basin, Bolivia and Brazil. Habitat: freshwater.