Bursa asperrima is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells.
References
Beu A.G. 2010 Neogene tonnoidean gastropods of tropical and South America: contributions to the Dominican Republic and Panama Paleontology Projects and uplift of the Central American Isthmus. Bulletins of American Paleontology 377-378: 550 pp, 79 pls.
External links Dunker, W. (1862). Species nonnullae Bursarum vel Ranellarum collectionis Cumingianae. Proceedings of the Zoological Society of London. 1862: 238-240