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A Squalodontid Success
On a beach in Piña, Panama the tide is rolling out. Faint outlines of skeletal...
Wed, 06/22/2011 - 17:47
About 100 million years ago, during the heyday of the dinosaurs, reefs were built...
Fri, 12/04/2009 - 14:25
How long have jellyfish lived in the ocean? This jellyfish fossil is from 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...
Microscopic, single-celled organisms called foraminifera have a fossil record that...
Thu, 03/25/2010 - 16:23