Lutra longicaudis (Olfers, 1818) . In Eschwege, Neue Bibl. Reisenb., 15(2):233.
TYPE LOCALITY: Brazil .
DISTRIBUTION: Mexico, Central America, W. South America south to Peru, E. South America south to Uruguay.
COMMENT: Includes annectens, enudris, incaruni, and platensis; see Van Zyll de Jong, 1972, Life Sei. Contrib. R. Ont. Mus., 80:1 -104; Genoways and Jones, 1975, Occas. Pap. Mus. Texas Tech Univ., 26:1 -22.
PROTECTED STATUS: CITES - Appendix I and U.S. ESA - Endangered as L. longicaudis . U.S. ESA - Endangered as L. platensis .
ISIS NUMBER: 5301412004023003001 as Lontra longicaudis .