Leptonycteris Lydekker, 1891 . In Flower and Lydekker, Intro. Mamm. Living Extinct, p. 674.

TYPE SPECIES: Ischnoglossa nivalis Saussure, 1860 .

COMMENTS: Revised by Arita and Humphrey (1988). A key for the genus was presented by Hensley and Wilkins (1988).