The scientific term for fossilized vomit is regurgitalite. Surprisingly, the timeless throw up is far from the oldest out there — Dr. Milàn said that Germany, for example, has laid claim to an even more historic spot of spit up, dating back 150 million years.

A local fossil hunter found animal vomit at a Danish geological site that is believed to be 66 million years old.

In the Cretaceous period, a shark or another kind of fish found sea lilies less than digestible. What you might expect followed.