This Specimen has been sold.
.41" Oligocene Echinoid (Fibularia) Fossil - Australia
This is a small but detailed echinoid (sea urchin) of the species Fibularia gregata, collected from the Port Willunga Formation of Southern Australia. Comes with an acrylic display case.
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.