Bradypus tridactylus Linnaeus, 1758 . Syst. Nat., 10th ed., 1:34.

TYPE LOCALITY: Surinam .

DISTRIBUTION: Bolivar and T.F. Amazonas (S. Venezuela); forests of Guianas, south to the Amazon and the Rio Negro rivers.

COMMENT: Type locality restricted by Thomas, 1911, Proc. ZooL Soc. Lond., 1911: 132. Reviewed by Wetzel and Kock, 1973, Proc. Biol. Soc. Wash., 86:29-30.

ISIS NUMBER: 5301407002001004001.