Proechimys guairae Thomas, 1901 . Proc. Biol. Soc. Washington, 14:27.

TYPE LOCALITY: Venezuela, Federal Dist., La Guaira .

DISTRIBUTION: NC Venezuela, E of Lake Maracaibo and the Merida Andes.

SYNONYMS: ochraceus.

COMMENTS: Subgenus Proechimys . Includes ochraceus; guairae and ochraceus were formerly included in cayennensis (= guyannensis) (Reig et al., 1980). These authors also mention a closely related, undescribed species ("Barina's") from south of the Merida Andes. The chromosome no. is 2n=44-50; FN=72-76.