Lyme Regis Gryphaea Oyster Fossil

On a recent visit to Lyme Regis, I was able to purchase the fossil oyster that appears to be a Gryphaea arcuata. It was found in the Blue Lias of Lyme Regis Dorset County England. The creature existed in the Lower Jurassic Period.

Learn more at:
https://www.flickr.com/photos/jsjgeology/15043130357