Field investigations of living bivalves of the order Arcoida led to the rediscovery of a contradiction to the longstanding three-fold, three-function concept of bivalve mantle edges. In contrast to ...
Scientists devised a mathematic model that helps explains how Nipponites, some of the wonkiest ammonites, built their shells. By Sabrina Imbler If you’ve seen one ammonite, you may think you’ve seen ...
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