Dasyprocta prymnolopha Wagler, 1831 . Isis, 24:619.

TYPE LOCALITY: Brazil, Parâ. Original designation of Guyana was probably an error (Cabrera, 1961:588) .

DISTRIBUTION: NE Brazil.

SYNONYMS: nigriclunis.

COMMENTS: Ojasti (1972: 164) considered the status of this form uncertain.