This bat occurs in the northern Amazon Basin (Koopman, 1982). It is known only from Brazil, Venezuela, Guyana, and Surinam (Eger, 1977; Koopman, 1994; Reid et al., 2000; Sanchez et al. 1992). It is present at an elevation below 500 m (Sanchez et al. 1992; Reid et al. 2000).