pintoi, Oligosarcus Amaral Campos [A.] 1945:456, Fig. 9 [Arquivos de Zoologia (São Paulo) v. 4 (no. 11); ref. 13139] Rio Mogi Guaçu, São Paulo State, Brazil. Holotype: MZUSP [ex DZSASP] 3465. Paratypes: MZUSP [ex DZSASP] 3488, 4653. Type catalog: Oyakawa 1996:488 [ref. 23140]. Also appeared in Amaral Campos 1945:480, Fig. 8 [ref. 106]. Type information: Britski 1969:200, 202 [ref. 12401] with holotype as not found. •Valid as Oligosarcus pintoi Amaral Campos 1945 -- (Menezes & Géry 1983:588 [ref. 8307], Menezes 1987:20 [ref. 20060], Casatti et al. 2001:5 [ref. 25929], Menezes in Reis et al. 2003:152 [ref. 27061], Ribeiro et al. 2007:52 [ref. 29321], Almirón et al. 2015:589 [ref. 33673], Ribeiro & Menezes 2015:78 [ref. 33768], Menezes & Ribeiro 2015:545 [ref. 33973], Koerber et al. 2017:39 [ref. 35267], Almirón et al. 2019:45 [ref. 37087], Wendt et al. 2019:5 [ref. 36952], Mirande & Koerber 2020:2 [ref. 37594], Reis et al. 2020:460 [ref. 38364], Menezes & Camelier 2024:244 [ref. 40817]). Current status: Valid as Oligosarcus pintoi Amaral Campos 1945. Acestrorhamphidae: Acestrorhamphinae. Distribution: South America: upper and middle Paraná River basin (Brazil, Paraguay and Argentina). Habitat: freshwater.