Earth once hosted more than 10,000 species of these ancient marine predators. Find out how they ... separated by thin walls called septa. The animals constantly grew new shell material as they ...

Two underwater sea lilies were eaten and regurgitated around 66 million years ago. They were preserved as fossilized vomit.

A 66-million-year-old fossilized vomit discovery in Denmark offers a rare glimpse into the prehistoric Cretaceous food chain.