filamentosa, Cetopsorhamdia Fowler [H. W.] 1945:4, Figs. 5-6 [Notulae Naturae (Philadelphia) No. 159; ref. 13141] San Ramón, Vallé de Chanchamayo, Peru, elevation 800 meters. Holotype (unique): ANSP 71637. Type catalog: Böhlke 1984:141 [ref. 13621], Ferraris 2007:182 [ref. 29155] •Valid as Cetopsorhamdia filamentosa Fowler 1945 -- (Bockmann & Guazzelli in Reis et al. 2003:411 [ref. 27061], Ferraris 2007:182 [ref. 29155], Benitez et al. 2017:114 [ref. 35711], Faustino-Fuster & Souza 2021:13 [ref. 38725]). •Not in Cetopsorhamdia -- (Bockmann & Reis 2021:27 [ref. 38369]). Current status: Valid as Cetopsorhamdia filamentosa Fowler 1945. Heptapteridae: Heptapterinae. Distribution: South America: Tulumayo River drainage, upper Ucayali River basin, Peru. Habitat: freshwater.