Monday, 10 February 2014

'Steak-knife' teeth reveal ecology of oldest land predators

Date: February 7, 2014

Source: University of Toronto

Summary:
The first top predators to walk on land were not afraid to bite off more than they could chew, a study has found. Researchers suggest that Dimetrodon, a carnivore that walked on land between 298 million and 272 million years ago, was the first terrestrial vertebrate to develop serrated ziphodont teeth.


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