Four-toothed Nerite

Gmelin, 1791

Nerita versicolor

Class:

Order:

Family:

Gastropoda

Cycloneritida

Neritidae

Neritidae

Image Voucher: 

ANSP 477013

Shell Information

Diameter (mm): 24-27

Dextral

Chirality:

This is a heavy globe shaped shell with a short spire if any. It has spiral ribs with a thin groove running between each rib. It can be distinguised from similar nerites by the four teeth situated on the innerlip of the aperture. This shell is white with black axial lines that are sometimes zigzagged or incomplete.

Description:

Ecological Information

Distribution:

Depth (m):

East Florida to Trinidad

1 to 0 meters

Diet:

Herbivore

Habitat:

Terrestrial; Rocky intertidal zone

Misc. Facts

This shell is also sometimes called the Variegated Nerite.

Citations

MolluscaBase eds. (2021). MolluscaBase. Nerita versicolor Gmelin, 1791. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=419506 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.