paysanduanus, Auchenipterus Devincenzi [G. J.] 1933:2 [Anales del Museo Nacional de Historia Natural de Montevideo (Serie 2) v. 4 (no. 3); ref. 16419] Río Uruguay at Paysandú, Uruguay. Holotype: MHNM 4889 [ex CI 318]. Paratypes: (3) MACN 4886 (1). Type catalog: Olazarri et al. 1970:3 [ref. 23527], Braga & Piacentino 1994:104 [ref. 23697], Ferraris 2007:72 [ref. 29155], Loureiro et al. 2016:412 [ref. 35150]. •Valid as Auchenipterus paysanduanus Devincenzi 1933 -- (Burgess 1989:241 [ref. 12860], Gómez & Chebez 1996:58 [ref. 23791]). •Synonym of Auchenipterus nigripinnis (Boulenger 1895) -- (Ferraris & Vari 1999:429 [ref. 23953], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:72 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117], Koerber et al. 2017:46 [ref. 35267]). Current status: Synonym of Auchenipterus nigripinnis (Boulenger 1895). Auchenipteridae: Auchenipterinae. Habitat: freshwater.