.8" Cretaceous Echinoid (Catopygus) Fossil - France
This is a detailed and inflated sea urchin fossil of the species Catopygus columbarius, collected from Calvados, France. It is Cretaceous - Cenomanian in age, or approximately 94 to 100 million years old.
Sea urchins are a type of echinoderm which are still living relatively unchanged today. They live at the bottom of soft ocean floors and have long spines protruding from their central body. They move along the bottom of the ocean using many small feet while feeding on various plant and animal matter.