2.3" Cretaceous Sea Urchin (Holaster) Fossil - Texas

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 and very little crushing.

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.


FOR SALE
$19
DETAILS
SPECIES
Holaster simplex
LOCATION
Denton County, Texas
FORMATION
Fort Worth Formation
SIZE
Echinoid: 2.3" wide
CATEGORY
SUB CATEGORY
ITEM
#286460
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