| | Salamandridae, family Salamandridae; Ambystomatidae, family Ambystomatidae; Cryptobranchidae, family Cryptobranchidae; Dicamptodontidae, family Dicamptodontidae; Plethodontidae, family Plethodontidae; Amphiumidae, family Amphiumidae; Sirenidae, family Sirenidae; Ranidae, family Ranidae; Leptodactylidae, family Leptodactylidae; Polypedatidae, family Polypedatidae; Ascaphidae, family Ascaphidae; Leiopelmatidae, family Leiopelmatidae, Liopelmidae, family Liopelmidae; Bufonidae, family Bufonidae; Discoglossidae, family Discoglossidae; Pelobatidae, family Pelobatidae; Hylidae, family Hylidae; Microhylidae, family Microhylidae, Brevicipitidae, family Brevicipitidae; Pipidae, family Pipidae; Xenopodidae, family Xenopodidae; Caeciliidae, family Caeciliidae, Caeciliadae, family Caeciliadae |