12 Feb '12, 4pm

Most ancient crocodile discovered, Aegisuchus witmeri via @earthtimes

Most ancient crocodile discovered, Aegisuchus witmeri via @earthtimes

Artist's Rendering of Shieldcroc (Aegisuchus witmeri); Credit: Orginal artwork by Henry P. Tsai, University of Missouri Crocodiles and their relatives the crocodyliforms, go back a long way and were as diverse as imagination itself. From land to sea, herbivorous species to giant predators, they can be held as one of the true great marvels of animal evolution. Their current representatives are smaller, but no less mean and successful, just as they have outlasted almost every other tetrapod group. The Tethys Sea between northern Laurasia and Gondwanaland seems to be the real origin of the ancient crocodiles, instead of the Laurasian origin which was once thought likely. This map shows several species, all thought to be an early offshoot of the real crocodilian (and alligator) line. A. More recent land forms (Europe and Africa) are shown in white - Early Late Cretaceous Mollw...

Full article: http://www.earthtimes.org/nature/shieldcroc-ancient-croco...

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