Flexicalymene Directory References Discover How Deadly Is Quicksand? What Is the Emoluments Clause? Is Cinco de Mayo Mexico's Independence Day? 7 Drugs that Changed the World 10 Great Sports Rivalries 6 Animals That Eat Their Mates Falling Stars: 10 of the Most Famous Endangered Species Contents Flexicalymene trilobite genus Ask Our Chatbot a Question Ask Our Chatbot a Question Learn about this topic in these articles:description In CalymeneCalymene and its close relative Flexicalymene are frequently preserved as tightly rolled fossils. The rolling may be either a death position or a defensive one that the animal assumed to protect its soft, vulnerable underside.Read More