Dino with a “perfect and unique” hole also had the oldest navel known to science

Paleontologists have discovered the oldest navel known to science – and the first dinosaur ever discovered on a neptic bird – on 125 million years of fossils of a two-legged parrot with a beak in China.

The weak navel scar belongs to a reptile of the genus Psittacosaurus, who lived during the Cretaceous period (145 million to 66 million years ago). Scientists noticed a long, thin trail of umbilical cord scar when they exposed the fossils to a concentrated beam of laser light. The scar is a slight discrepancy in the pattern of the skin and scales above of the dinosaur abdomen and is the equivalent of a reptile to the navel of a mammal.

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