The fossil of a huge great white shark relative that lived among the dinosaurs has been discovered in Mexico.The discovery was made in a limestone quarry to the country's northeast by an international team of archeologists and paleontologists. Their find is detailed in a Proceedings of the Royal Society B: Biological Sciences study.The bones of the creature, which lived during the Cretaceous period, were extremely well preserved, making this a rare find.
The creature was of the genus Ptychodus, an extinct genus of durophagous sharks known for having particularly large teeth that had a vicious bite.Scientists believe this shark, which would have hunted hard-shelled prey such as sea turtles, went extinct about 76 million years ago. They believe that its choice of prey may have been a big factor in the extinction as other animals had evolved that hunted the same animals, presenting competition.
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