Length (mm): 200-352
This is a large heavy shell with a relatively short spire. The shell whorls have knobs that increase in size on later whorls. The body whorl of adults has a thick flared lip. The shell has a yellowish-white coloration with a white to pink interior.
South Carolina to Barbados
0.3 to 25 meters
Marine; Seagrass and soft substrates
MolluscaBase eds. (2021). MolluscaBase. Aliger gigas (Linnaeus, 1758). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1429769 on 2021-06-23
Rosenberg, G., F. Moretzsohn, and E. F. Garc�a. 29. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579�699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico�Origins, Waters, and Biota. Biodiversity. Texas A&M University Press, College Station, Texas.
Morris, P. A. (1987). A field guide to shells: Atlantic and Gulf coasts and the West Indies (3rd ed.). Houghton Mifflin.