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Johnson's seagrass (Halophila johnsonii) is the lone ocean plant species...
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...
An invasive strain of the plant Phragmites australis dominates this Chesapeake Bay...