2.3" Cretaceous Sea Urchin (Holaster) Fossil - Texas

Cretaceous Sea Urchin (Holaster) Fossil - Texas #286464

This is a 2.3" wide fossil sea urchin of the species Holaster simplex, collected from the Fort Worth Formation of Denton County, Texas. It is in excellent condition, showing great three-dimensional preservation.

Sea urchins are a type of echinoderm that are still living relatively unchanged today. They live at the bottom of soft ocean floors and have long spines protruding from their central bodies. They move along the bottom of the ocean using many small feet while feeding on various plant and animal matter.

SPECIES

Holaster simplex

AGE

Lower Cretaceous (~110 Million Years)