Reticulated Cowry Helmet

(Linnaeus, 1758)

Cypraecassis testiculus

Class:

Order:

Family:

Gastropoda

Littorinimorpha

Cassidae

Cassidae

Image Voucher: 

ANSP 193069

Shell Information

Length (mm): 50-85

Dextral

Chirality:

This shell has about 5 whorls with a short pointed aperture and an enlarged body whorl. The aperture is elongated with folds on both sides of the inner aperture. This shell is sculptured by grid of spiral ribs and axial grooves. A "shield" will develop on the bottom of the body whorl extending from the aperture. It is mottled with different patches of white, orange and brown.

Description:

Ecological Information

Distribution:

Depth (m):

North Carolina to Brazil

0 to 60 meters

Diet:

Carnivore; They eat a variety of sea urchins.

Habitat:

Marine; Soft substrates

Misc. Facts

This shell is also sometimes called the Baby Bonnet.

Citations

MolluscaBase eds. (2021). MolluscaBase. Cypraecassis testiculus (Linnaeus, 1758). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=224277 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.

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/