spinicauda, Elipesurus Jardine [W.] in Schomburgk 1843:184, Pl. 23 [The natural history of fishes of Guiana.--Part II; ref. 3948] Fort San Joaquim, Branco River, Guiana. No types known. Type catalog: Paepke & Schmidt 1988:180-181 [ref. 21041]. •Valid as Elipesurus spinicauda Jardine 1843 -- (Castex 1964:33 [ref. 20924] with author as Schomburgk, Bailey 1969:133 [ref. 14234] with author as Schomburgk). •Status uncertain -- (Carvalho et al. in Reis et al. 2003:26 [ref. 27061]). Current status: Uncertain as Elipesurus spinicauda Jardine 1843. Potamotrygonidae: Potamotrygoninae. Habitat: freshwater.