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This is

This is Scientific American's 60 Second Science. I'm Christopher Intagata.

Hundreds of millions of years ago,

reptilian predators called ichthyosaurs swam the seas.

Their fossils look fearsome. But paleobiology Riosuke Motani of UC Davis says they may have looked

more like friendly dolphins.

Yeah, maybe in life, exos might have been cute,

but at least the smaller ones.

Motani's team studied one such specimen found in southwest China.

It was 240 million years old, 15 feet long, but it seemed to have

some extra bones in it, which Matani's team determined to be the remains of a 13-foot long

Thalatosaur, or sea the ichthyaur had swallowed.

And spoiler alert, the only reason they were able to see this animal in the belly of the ichthyosaur

is that this gigantic meal never got digested. The Ickyosaur died soon after

...