Hermit crabs are decapod crustaceans of the superfamily Paguroidea. Adults are planktonic and the larvae parasitise decapod crustaceans, especially crabs. Axiidea is an infraorder of decapod crustaceans. Nephropoidea is a superfamily of decapod crustaceans. King crabs are a taxon of crab-like decapod crustaceans chiefly found in cold seas. Marbled crayfish are the only known decapod crustaceans to reproduce only by parthenogenesis. There are fourteen endemic species of decapod crustaceans in rivers and lakes. Among the better-known large decapod crustaceans, some crayfish reproduce by parthenogenesis. They also feed on chitons, limpets, snails, barnacles, echinoids, and even decapod crustacea. It is also widespread among decapod crustaceans, e.g., rock lobsters. The Astacidea are a group of decapod crustaceans including lobsters, crayfish, and their close relatives. Pleocyemata is a suborder of decapod crustaceans, erected by Martin Burkenroad in 1963. Anomura (sometimes Anomala) is a group of decapod crustaceans, including hermit crabs and others. "Stenopus hispidus" is a shrimp-like popcorn kernel decapod crustacean sometimes called the "barber pole shrimp". The Stenopodidea is a small group of decapod crustaceans.