Species that contain: Oligosarcus and argenteus [ 2 ] records

argenteus, Oligosarcus Günther [A.] 1864:353 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Brazil. Syntypes: BMNH 1967.1.24.1-2 (2). •Valid as Oligosarcus argenteus Günther 1864 -- (Menezes & Géry 1983:589 [ref. 8307], Menezes 1987:22 [ref. 20060], Menezes in Reis et al. 2003:151 [ref. 27061], Ribeiro et al. 2007:52 [ref. 29321], Ribeiro & Menezes 2015:77 [ref. 33768], Azevedo-Santos et al. 2019:5 [ref. 36506], Wendt et al. 2019:5 [ref. 36952]). Current status: Valid as Oligosarcus argenteus Günther 1864. Characidae: Stethaprioninae. Distribution: South America: Doce, Das Velhas and upper Paraná river basins, Brazil. Habitat: freshwater.

meadi, Oligosarcus Menezes [N. A.] 1969:31, 117, Fig. 21 [Arquivos de Zoologia (São Paulo) v. 18 (nos 1-2); ref. 7834] União de Caeté, Minas Gerais, Río das Velhas basin, Uruguay. Holotype: DZSASP 4618. Paratypes: DZSASP 4614-15 (3), 4718-19 (2); MCZ 45859 [ex DZSASP] (2). Type catalog: Oyakawa 1996:486-487 [ref. 23140]. •Valid as Oligosarcus meadi Menezes 1969 -- (Menezes & Géry 1983:589 [ref. 8307]). •Synonym of Oligosarcus argenteus Günther 1864 -- (Menezes 1987:22 [ref. 20060], Menezes in Reis et al. 2003:151 [ref. 27061]). Current status: Synonym of Oligosarcus argenteus Günther 1864. Characidae: Stethaprioninae. Habitat: freshwater.