Daily Archives: November 28, 2014

Wooster’s Fossils of the Week: Large Miocene barnacles with bioimmurations from Maryland

These two beautiful barnacles are from the Calvert Formation (Middle Miocene) exposed near Parker Creek in Maryland. They are likely of the genus Chesaconcavus. Barnacles are most unlikely crustacean arthropods, cousins of shrimp, crabs and lobsters. Most, like these above, … Continue reading

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