Length (mm): 100-231
A large heavy shell with a pronounced spire. Adults will develop an expanded body whorl with a developed lip. The body whorl of adults will also have a row of knobs. This shell is typically yellow and white with an all white underside.
North Carolina to Brazil
2 to 55 meters
Marine; Seagrass and soft substrates
Also sometimes called the Ribbed Stromb,
MolluscaBase eds. (2021). MolluscaBase. Macrostrombus costatus (Gmelin, 1791). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=1429775 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.