Compiled and Edited by:
Nancy B. Simmons and Andrea L. Cirranello
American Museum of Natural History

Your search for Leptonycteris resulted in 3 species-level matches:

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

Ischnoglossa nivalis Saussure, 1860

Leptonycteris curasoae Miller, 1900.
Proc. Biol. Soc. Wash. 13: 126.
Curaçaoan Long-nosed Bat

Leptonycteris nivalis (Saussure, 1860).
Rev. Mag. Zool. Paris, ser. 2 12: 492.
Mexican Long-nosed Bat

Leptonycteris yerbabuenae Martínez & Villa-R, 1940.
Anal. Inst. Biol. Univ. Nac. Auto. Mexico 11: 313.
Lesser Long-nosed Bat