1.6" Cretaceous Sea Urchin (Hemiaster) Fossil - Texas

This is a fossil sea urchin of the species Hemiaster calvani, collected from the Grayson Formation of Grayson County, Texas.

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.



FOR SALE
$12
DETAILS
SPECIES
Hemiaster calvani
LOCATION
Grayson County, Texas
FORMATION
Grayson Formation
SIZE
1.6" long
CATEGORY
SUB CATEGORY
ITEM
#156389
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