Dyson's Keyhole Limpet

(Reeve, 1850)

Diodora dysoni

Class:

Order:

Family:

Gastropoda

Lepetellida

Fissurellidae

Fissurellidae

Image Voucher: 

ANSP 351408

Shell Information

Length (mm): 12-22

Dextral

Chirality:

This is a moderately elevated oval shaped shell. The slit-like opening located just behind the apex of the shell which is relatively central on the shell. The shell has alternating large and small radial beaded ribs. It is white with radial black lines.

Description:

Ecological Information

Distribution:

Depth (m):

East Florida to Brazil

0 to 40 meters

Diet:

Herbivore; They graze on algae.

Habitat:

Marine; Hard substrate

Misc. Facts

Citations

MolluscaBase eds. (2021). MolluscaBase. Diodora dysoni (Reeve, 1850). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=419339 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.