The Puerto Rican flower bat (Phyllonycteris major) is an extinct species of bat from the family Phyllostomidae (leaf-nosed bats). It was native to Puerto Rico and is known only from subfossil skeletal material.
References
Sources UNEP-WCMC Species Database Bucknell University - Wilson & Reeder's: Mammal Species of the World (Third edition) ZipCodeZoo.com