Beaded Periwinkle

(Linnaeus, 1758)

Cenchritis muricatus

Class:

Order:

Family:

Gastropoda

Littorinimorpha

Littorinidae

Littorinidae

Image Voucher: 

ANSP 454493

Shell Information

Length (mm): 15-25

Dextral

Chirality:

The Beaded Periwinkle has about 7 shell whorls leading to a relatively sharp apex. The shell is sculpted by 4-5 spiral rows of small knobs. It is white to yellow-gray in color.

Description:

Ecological Information

Distribution:

Depth (m):

Florida to the Caribbean Sea

9 to 0 meters

Diet:

Herbivore

Habitat:

Marine, Terrestrial; Rocky intertidal zone

Misc. Facts

Also sometimes called the knobby periwinkle.

Citations

MolluscaBase eds. (2021). MolluscaBase. Cenchritis muricatus (Linnaeus, 1758). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=419557 on 2021-06-23

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

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.