180-million-year-old fossil tells tale of an ancient shark eating a squid that’s eating a crustacean Updated May 11, 2021; Posted May 11, 2021 A fossil from the Jurassic period tells the tale of a shark who ate a squid as the squid was eating a crustacean. (photo by Kris D'souza via Unsplash) Facebook Share Researchers have discovered a fossil depicting an ancient crustacean getting eaten by an ancient squid who, in turn, was partially eaten by an ancient shark. Estimated to be approximately 180 million years old, the fossil was discovered in a quarry in Germany and is currently be used to find out more about earlier species.