(Lamarck, 1822)
Diodora cayenensis
Cayenne Keyhole Limpet
Phylum:
Mollusca
Taxonomy
Class:
Gastropoda
Order:
Lepetellida
Family:
Fissurellidae

ANSP 423767
Shell Information
Length (mm): 25-51
Chirality:
Dextral
Description:
This is a highly elevated oval shaped shell. The slit-like opening is located near the shell apex which is slightly forward and central. It has distinct radial ribs that form bead like structures when crossed by smaller concentric ridges. This shell is white to gray and sometimes pinkish with a white interior.
Ecological Information
Distribution:
New Jersey to Brazil
Depth (m):
0 to 100 meters
Diet:
Herbivore; They graze on algae.
Habitat:
Coral reefs and intertidal areas among other hard substrates
Works Cited
MolluscaBase eds. (2021). MolluscaBase. Diodora cayenensis (Lamarck, 1822). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=160265 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.
Andrews, J. (1971). Seashells of the Texas Coast. University of Texas Press.