Malacology is the study of mollusks. This includes animals like octopus, snails, slugs, and clams. It is the second largest phylum of animals, making them one of the most successful groups on the planet. There are over 80,000 described species of mollusks with many more left to be discovered. Mullusca is composed of 8 recognized classes including Cephalopoda, Gastropoda, Polyplacophora, Scaphapoda, Monoplacophorans, the Aplacophorans, Caudofoveata and Solenogastres, and Bivalvia.
Lister's Keyhole Limpet
Length (mm): 38-45
This is an oval shaped shell that is highly elevated. The slit-like opening is located at the apex of the shell which is the slightly towards the front in the center. The shell has distinct concentric ribs intersected by radial folds. It is white with black splotches arranged in irregular radial lines.
East Florida to Brazil
0 to 10 meters
Herbivore; They graze on algae.
Marine; Rocky intertidal and other hard substrates areas
MolluscaBase eds. (2021). MolluscaBase. Diodora listeri (d'Orbigny, 1847). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=419343 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.