Blastocerus dichotomus (Illiger, 1815) . Abh. Phys. Klasse K.-Preuss. Akad. Wiss., 1804- 1811: 117 [1815].

TYPE LOCALITY: Paraguay, Lake Ypoa, south of Asuncion .

DISTRIBUTION: C Brazil to Paraguay and N Argentina.

STATUS: CITES - Appendix I; U.S. ESA - Endangered; IUCN - Vulnerable.

SYNONYMS: furcata, paludosus, palustris .

COMMENTS: Reviewed by Pinder and Grosse (1991, Mammalian Species, 380).