Shark-Bitten Crocodile Poop Fossils Found (No, Really)
Quote Originally Posted by Wired Science
Paleontologists have stumbled across a scientific first that’s sure to inspire both fascination and disgust: coprolites, or fossilized fecal matter, bearing the distinct impressions of a creature’s teeth.
It ate sh*t, and it died.

(apologies for the sweary, my bad)