piavussu, Leporinus Britski [H. A.], Birindelli [J. L. O.] & Garavello [J. C.] 2012:462, Fig. 12-13 [Papéis Avulsos de Zoologia, Museu de Zoologia da Universidade de São Paulo v. 52 (no. 37); ref. 32317] Rio Mogi Gauçu, at Cachoeira de Emas (21°55'35"S, 47°21'59"W), Pirassununga, São Paulo, Brazil. Holotype: MZUSP 109999. Paratypes: many at ANSP, MCP, MNRJ, MZUSP. Plus non-type material. •Valid as Megaleporinus piavussu (Britski, Birindelli & Garavello 2012) -- (Ramirez et al. 2017:313 [ref. 34945], Benitez & Aichino 2020:2 [ref. 38006], Birindelli et al. 2020:8 [ref. 37400], Mirande & Koerber 2020:2 [ref. 37594], Reis et al. 2020:457 [ref. 38364]). Current status: Valid as Megaleporinus piavussu (Britski, Birindelli & Garavello 2012). Anostomidae. Distribution: South America: upper Paraná River basin (Brazil and Argentina). Habitat: freshwater.