Veggie croc

日期:2019-03-06 12:20:14 作者:仰思 阅读:

CROCODILES haven’t always been fearsome predators. A fossil found in Madagascar shows that the island was once home to a pug-nosed vegetarian croc. “It’s the weirdest crocodile ever found,” says Greg Buckley of Roosevelt University in Chicago. Unlike modern crocs, which have flat skulls and long snouts filled with sharp teeth, the 1.2-metre fossil has a blunt snout, leaf-shaped teeth and a tall, rounded skull like a bulldog. Named Simosuchus, or pug-nosed crocodile, it lived 70 million years ago and was probably terrestrial, using its head to dig burrows (Nature (vol 405,