Friday, August 27, 2010

Stereocidaris hemigranosus

Stereocidaris hemigranosus sea urchin fossil on display at the Smithsonian National Museum of Natural History in Washington, DC.  The fossil is from Texas and existed in the Cretaceous Period.
Posted by Michael Popp at 5:12 AM
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1 comment:

Anonymous said...

What are these fossils worth

October 25, 2012 at 12:43 PM

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