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Lenticulina secans -- this foram lives on the seafloor. This specimen was collected...
Hantkenina mexicana -- a foram with elongated shell chambers that lived between...
These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...
Where ocean currents were strong, ancient rudist “recliners” lay unattached on...
Rudist clams are mollusks that went extinct about 65 million years ago. They were...