macrocephala, Nannorhamdia Miles [C.] 1943:25 [Publicaciones de la Secretaria de Agricultura y Fomento del Departamento, Cali 1943; ref. 13211] Valle del Cauca, Colombia. Holotype: ICNMHN (probably lost). Paratypes: MCZ 35876 (2), USNM 120157 (3). Type catalog: Ferraris & Vari 1992:34 [ref. 19771], Ferraris 2007:192 [ref. 29155]. •Valid as Imparfinis macrocephalus (Miles 1943) -- (Mees & Cala 1989:382 [ref. 14277], Burgess 1989:277 [ref. 12860]). •Valid as Pimelodella macrocephala (Miles 1943) -- (Bockmann & Guazzelli in Reis et al. 2003:419 [ref. 27061], Castaño et al. 2005:17 [ref. 28507], Ferraris 2007:192 [ref. 29155], Ortega-Lara et al. 2011:791 [ref. 31716], DoNascimiento et al. 2017:92 [ref. 35633], Conde-Saldaña et al. 2019:571 [ref. 36962]). Current status: Valid as Pimelodella macrocephala (Miles 1943). Heptapteridae: Rhamdiinae. Distribution: Cauca River basin, Colombia. Habitat: freshwater.