This ichthyosaur died after devouring a creature nearly as long as itself

The feat surprised scientists who expected the marine reptile to gulp prey like fish and squid

ichthyosaur fossil

An ancient, dolphinlike reptile called an ichthyosaur may have died from overeating. A bulge in the belly of this fossilized creature (pictured) contains the remains of a reptile called a thalattosaur, which was nearly as long as the ichthyosaur itself.

Ryosuke Motani

For its last meal, an ancient marine reptile called an ichthyosaur may have bitten off more than it could chew.