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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 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
Hemiaster calvani
AGE
LOCATION
Grayson County, Texas
FORMATION
Grayson Formation
SIZE
1.6" long
CATEGORY
SUB CATEGORY
ITEM
#156389
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