Furipterus horrens (Cuvier, 1828), the only species in the family Furipteridae known to occur in the Brazilian territory, is reported for the first time in the state of Rio de Janeiro. The single specimen obtained was found alone in its diurnal roost in a cavity formed among large granite blocks in a well-preserved Atlantic Forest area. Morphometric data obtained from this specimen are within the known range documented for the species.
Distribution; Furipterus horrens; southeastern Brazil