Ancient sharks fed on giant reptile

[Owlscrying]

Some 85 million years ago in a shallow ocean, a handful of what amount to miniature great white sharks were pigging out on the carcass of a giant marine reptile called a plesiosaur, a new study suggests.

During this apparent feeding frenzy, some shark teeth got stuck in the plesiosaur's bones, which were subsequently buried and remained undiscovered until a high-school student in Japan found them in 1968. Other shark tooth fossils were found near the bones. Only recently did paleontologists examine and describe the fossils scientifically.

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