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Species Page:

Eastern White Slipper Snail

Say, 1822

Crepidula plana

Class:

Gastropoda

Order:

Littorinimorpha

Family:

Calyptraeidae

Calyptraeidae

Image Voucher: 

ANSP 410529

Shell Information

Length (mm): 30-43

Dextral

Chirality:

This shell is a very flat shell that can sometimes be concave depending on the surface that the shell grew on. The internal platform typically takes up a little less than half the length of the shell. It is usually a white shell.

Description:

Ecological Information

Distribution:

Depth (m):

Nova Scotia to Florida

0 to 0 meters

Diet:

Suspension feeder

Habitat:

Marine; Shallow water; often associated with hermit crabs and horse shoe crabs

Misc. Facts

These shell can typically be found on the inside of dead shells especially those hosted by hermit crabs and on the shells of horseshoe crabs. They feed on the excess food scraps and waste of these crabs.

Citations

MolluscaBase eds. (2021). MolluscaBase. Crepidula plana Say, 1822. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=160230 on 2021-06-10

Morris, P. A. (1987). A field guide to shells: Atlantic and Gulf coasts and the West Indies (3rd ed.). Houghton Mifflin.

Rosenberg, G. 2009. Malacolog 4.1.1: A Database of Western Atlantic Marine Mollusca. [WWW database (version 4.1.1)] URL http://www.malacolog.org/

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