oligistos, Roeboides Lucena [C. A. S. de] 2000:157, Fig. 2 [Biociências, Porto Alegre v. 8 (no. 2); ref. 25162] Braço morto do rio Tapajós, bairro de Piracuna, Itaituba, Pará, Brazil. Holotype: MCP 25254. Paratypes: MCP 15177 (6); MZUSP 20183 (25), 34711 (58), 34715 (2), 56556 (4), 58951 (4). Plus non-type material. •Valid as Roeboides oligistos Lucena 2000 -- (Lucena & Menezes in Reis et al. 2003:206 [ref. 27061], Lucena 2007:132 [ref. 29256]). Current status: Valid as Roeboides oligistos Lucena 2000. Characidae: Characinae. Distribution: Amazon, Negro, Branco, Tapajós and Trombetas River basins, Brazil. Habitat: freshwater.