3 Sea Urchin Fossils, Cretaceous Era Hardouinia Mortonis Sea Biscuit, 65 million years old

$35.00

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These fossils date back to the Late Cretaceous period, making them approximately 66 to 70 million years old. They roamed the ancient seafloors as detritivores at the very end of the age of the dinosaurs.

They originate from the underwater layers of the Peedee Formation.

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