This image of a bivalve identified as  Camptonectes auritus  (Schlotheim). It was found in the Corallian Beds Malton Yorks. England. The ...

This image of an echinoid identified as  Hemicidaris intermedia  Fleming. It was found in the Corallian Beds Coral Rag Calne Wilts. Engla...

This image of two echinoid spines identified as  Paracidaris florigemma (Phillips). They were found in the Corallian Beds Coral Rag Calne...