Caudata

order of amphibians Caudata (Caudata) is an order comprising closely related families of organisms. It contains 7 families with 347 known species. Key family groups include Ambystomatidae, Cryptobranchidae, Hynobiidae, Plethodontidae, Proteidae, and Salamandridae. Among its members, 232 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Amphibians (Amphibia).