![]() "These were not small turtles by any stretch," says Darla Zelenitsky, an author of the new study and a paleontologist at the University of Calgary in Alberta, Canada.ĭiscovering fossil embryos from any creature is not common. The turtle that laid the fossil egg-which is among the largest known from this time-was exceptionally big and likely sported a shell about as long as an average person is tall, the team estimates. ![]() ![]() This group grew to momentous sizes and walked the Earth alongside the dinosaurs during the Cretaceous, a period that spanned from 145 to 66 million years ago. The newfound fossil belongs to an extinct group of land-dwelling turtles known as the nanhsiungchelyids, according to a new study published in Proceedings of the Royal Society B.
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