Arynchobatidae Directory References Discover Who Invented the Internet? Why Do Some Cicadas Appear Only Every 17 Years? 7 of History's Most Notorious Serial Killers 7 Deadliest Weapons in History Ten Days That Vanished: The Switch to the Gregorian Calendar Why Is a Baker’s Dozen 13? 7 of the World’s Deadliest Shipwrecks Contents Ask Our Chatbot a Question Arynchobatidae fish Ask Our Chatbot a Question Learn about this topic in these articles:family of skates In skate…25 genera across three families—Rajidae, Arynchobatidae, and Anacanthobatidae—while others place all skates into family Rajidae.Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.