Location: North Yorkshire Coast (found on beach)

Class: Bivalve

Sub Class: Gryphaea

Age: Early Jurassic

Shape: Planoconvex

Mode: Nektonic, free swimming

 

Fossil shown is actually 3 inch wide, and found in boulder clay (size of complete specimen).

Identification can be obtained in part via the style of ribbing on the shell, and helped greatly by knowing the age of area found. Species can be used for zoning, to help identify a specific location and specific time.

Once cleaned this will make a very nice display piece, but large and heavy