5.6" Multiple Fossil Sea Urchin (Hemiaster) Plate - Texas

This is a plate containing five fossil sea urchins of the species Hemiaster texanus, collected from the Goodland Formation of Tarrant County, Texas. There is an additional unidentified bivalve that has been exposed from the rock as well. The largest urchin measures 1.28" long and the rock is 5.6 x 3.6". There is a repaired crack through the rock and one of the urchins has been remounted.

It comes with an acrylic display stand.

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.


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DETAILS
SPECIES
Hemiaster texanus
LOCATION
Tarrant County, Texas
FORMATION
Goodland Formation
SIZE
Largest urchin 1.28" on 5.6 x 3.6" rock
CATEGORY
SUB CATEGORY
ITEM
#136966
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