2.15" Fossil Sea Urchin (Eupatagus) - Florida
This is a 38 million year fossil sea urchin of the species Eupatagus antillarum from the Ocala Limestone in Florida.
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.