What did the archelon eat?

Archelon is an extinct genus of sea turtles that lived during the Late Cretaceous period. They were some of the largest turtles that have ever lived, with some species reaching lengths of over 15 feet (4.5 meters). Archelon had a wide, flat shell and a long neck, and its diet consisted primarily of jellyfish, squid, and other small marine animals. They were also known to feed on fish and other reptiles, and they may have even scavenged on dead animals.