Asymmetron Directory References Discover Who Was the Woman Behind the Statue of Liberty? New Seven Wonders of the World Holi: Festival of Colors U.S. Death Toll During Major Events Causes of the Great Depression Why Doesn’t Arizona Observe Daylight Saving Time? 7 Accidents and Disasters in Spaceflight History Contents Asymmetron invertebrate genus Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Epigonichthyes Learn about this topic in these articles:classification In amphioxus…Amphioxus) and Epigonichthyes (also called Asymmetron)—with about two dozen species. The chordate features—the notochord (or stiffening rod), gill slits, and dorsal nerve cord—appear in the larvae and persist into adulthood.Read More