leopoldi, Potamotrygon Castex [M. N.] & Castello [H. P.] 1970:2, Fig. 5; Pls. [Acta Scientifica del Departamento de Zoología, Instituto Latinoamericano de Fisiología y Reproducción, Universidad del Salvador No. 10; ref. 7722] Little creek on the right shore of Upper Rio Xingu, Mato Grosso state, Brazil. Holotype (unique): IRSNB 475. Type catalog: Walschaerts 1987:6 [ref. 20755]. •Valid as Potamotrygon leopoldi Castex & Castello 1970 -- (Compagno 1999:495 [ref. 25589], Carvalho et al. in Reis et al. 2003:24 [ref. 27061], Rosa et al. 2008:8 [ref. 29564], Carvalho et al. 2011:26 [ref. 31264], Fontenelle et al. 2014:341 [ref. 33180], Weigmann 2016:155 [ref. 34211], Carvalho 2016:561 [ref. 34666], Carvalho 2016:6 [ref. 34730], Carvalho 2016:637 [ref. 34997]). Current status: Valid as Potamotrygon leopoldi Castex & Castello 1970. Potamotrygonidae: Potamotrygoninae. Distribution: Xingu River basin, Brazil. Habitat: freshwater.