Sea Urchin Spine

Sea urchin spine
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Taxon: Phylum Echinodermata, Class Echinoidea
Locality: Pacific Beach, San Diego County, CA
Age: Pliocene
Rock unit: San Diego Formation
Collector: W. Itano

This is an isolated spine of a sea urchin (echinoid). I am unable to classify it more specifically. It is 2.3 cm long.


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Last modified: August 22, 1998. Send comments to webmaster@itano.net