Tritylodontidae Directory References Images Discover Which Religion Is the Oldest? 7 of the World’s Deadliest Shipwrecks Timeline of the American Civil Rights Movement Will Light-Speed Space Travel Ever Be Possible? How Deadly Is Quicksand? 6 Wars of Independence Timeline of the Titanic’s Final Hours Contents Tritylodontidae fossil tetrapod family Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:characteristics of cynodonts In cynodont…known forms—members of the family Tritylodontidae (which were closely related to mammals and their closest extinct relatives)—died out about 125 million years ago.Read More