Mammals collected during biological investigations of Venezuela's Cerro de la Neblina National Park include several taxa that were previously unknown form the Guayana Highlands. The more noteworthy of these are Lasiurus cinereus, Histiotus sp., and Nyctimomops macrotis. Rhinophylla fischerae and N. macrotis represent the first records of these species from Venezuela. Two taxa are described as
... [Show full abstract] new: Marmosops impavidus ssp. and Rhipidomys sp. The former is known elsewhere in Venezuela from the Táchira Andes; the latter is a Guayana Highland endemic previously reported in Venezuela as Rhipidomys fulviventer. The biogeographical affinities of these species is primarily with the Andean fauna.