1" Cretaceous Echinoid (Phymosoma) Fossil with Spines - Texas

This is a fossil echinoid (sea urchin) of the species Phymosoma texanum from the Cretaceous Comanche Peak Formation in Coryell County, Texas. This echinoid is in excellent condition, measures 1" wide and still has disarticulated spines preserved in the leftover rock.

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.
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DETAILS
SPECIES
Phymosoma texanum
LOCATION
Coryell County, Texas
FORMATION
Comanche Peak Formation
SIZE
1" wide
CATEGORY
SUB CATEGORY
ITEM
#156350
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