Proechimys poliopus Osgood, 1914 . Field Mus. Nat. Hist. Pubi., Zool. Ser., 10:135.

TYPE LOCALITY: Venezuela, Tâchira State, San Juan de Colón (797 m) on N slope of Sierra de Mérida. Listed in Honacki et al. (1982:590) as Venezuela, Zulia Prov., Rio Aurare, El Panorama, for unknown reasons .

DISTRIBUTION: NW Venezuela, between Lake Maracaibo and the Sierra de Perija and adjacent Colombia.

COMMENTS: Subgenus Proechimys . Formerly included in cayennensis (= guyannensis) (Reig et al., 1980). The chromosome no. is 2n=42; FN=76.