Inia geoffrensis (de Blainville, 1817) . Nouv. Diet. Hist. Nat., Nouv. ed., 9:151.

TYPE LOCALITY: "sur la côte du Brésil.", probably upper Amazon River .

DISTRIBUTION: Peru, Ecuador, Brazil, Bolivia, Venezuela, Columbia: Amazon, Negro, Mamore (Bolivia), and Orinoco River systems.

STATUS: CITES - Appendix II; IUCN - Vulnerable.

SYNONYMS: boliviensis .

COMMENTS: Reviewed by Best and da Silva (1989). Includes boliviensis, see Casinos and Ocana (1979); but also see Pilleri and Gihr (1977), who considered it a distinct species.