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Sharks have young in three different ways. After internal fertilization, some...
This aptly named fish (Anoplogaster cornuta) has long, menacing fangs, but the...
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...