retropinnis, Bunocephalus Eigenmann [C. H.] in Eigenmann & Allen 1942:85, Pl. 2 (fig. 3) [Fishes of western South America; ref. 1246] Cacequi, Rio Grande do Sul, Brazil. Holotype: CAS 35246 [ex IU 15332, not 14332]. Paratypes: CAS 35247 [ex IU 15332] (1). Type catalog: Ferraris 2007:59 [ref. 29155]. Holotype established in Pl. 2. •Valid as Bunocephalus retropinnis Eigenmann 1942 -- (Burgess 1989:303 [ref. 12860]). •Synonym of Dysichthys doriae (Boulenger 1902) -- (Mees 1988:90 [ref. 6401], Mees 1989:226 [ref. 13383], Burgess & Finley 1996:167 [ref. 22901]). •Synonym of Bunocephalus doriae Boulenger 1902 -- (Friel in Reis et al. 2003:263 [ref. 27061], Ferraris 2007:59 [ref. 29155], Cardoso 2010:611 [ref. 30972], Litz & Koerber 2014:21 [ref. 33622], Mirande & Koerber 2015:35 [ref. 35117], Koerber et al. 2017:53 [ref. 35267]). Current status: Synonym of Bunocephalus doriae Boulenger 1902. Aspredinidae: Aspredininae. Habitat: freshwater.