Cat-like crocodile roamed earth with the dinosaurs

Photo: PA

The discovery of the bizarre, lanky creature had mammal-like teeth and skinny legs shows that bony plated reptiles were once far more diverse than they are today.

It enjoyed land-based lifestyle on the African floodplains far removed from its aquatic descendants, preying on dragon flies and other insects and small animals. The new species' fossilised remains were dug up from 105 million year old rock by palaeontologists scouring a river bank in Tanzania.

They were then able to create detailed digital images of its unusual teeth accurate to millionths of a meter using state of the art medical scanners.

Professor Patrick O'Connor, of Ohio University, said: At first glance, this croc is trying very hard to be a mammal. Its head would fit in the palm of your hand.

If you only looked at the teeth, you wouldn't think this was a crocodile. You would wonder what kind of strange mammal or mammal-like reptile it is.

This gives us a number of interesting evolutionary-developmental research questions to begin addressing using living crocodiles as models.

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