Pteronura brasiliensis (Gmelin, 1788) . Linn. Syst. Nat., 1:93.

TYPE LOCALITY: Guyana (= British Guiana), Demerara .

DISTRIBUTION: Major river systems of South America east of the Andes as far south as N. Argentina.

COMMENT: Reviewed by Harris, 1968, Otters, Weidenfeld and Nicolson, London.

PROTECTED STATUS: CITES - Appendix I and U.S. ESA - Endangered.

ISIS NUMBER: 5301412004025001001.