Alternative spellings: Proteidea, Proteoidea
Parent taxon: Caudata according to M. A. Shishkin 2000
See also Carroll 1988, Cope 1875, Estes 1981, Naylor 1978 and Naylor 1979
Sister taxa: Amphiumoidea, Apricosiren, Batrachosauroididae, Bishara, Comonecturoides, Comonecturoides marshi, Egoria, Galverpeton, Heteroclitotriton, Hylaeobatrachus, Karauridae, Karauroidea, Kulgeriherpeton, Marmorerpeton, Noterpetontidae, Pancryptobrancha, Plethodontoidea, Prosirenoidea, Ramonellus, Triassuridae, Urodela, Urupia
Subtaxa: Batrachosauroididae
Ecology: amphibious carnivore
Distribution:
• Miocene of Ukraine (1 collection), United States (7: California, Delaware, Florida, Louisiana, Texas)
• Oligocene of United States (1: Wyoming)
• Eocene of Germany (1), United States (1: North Dakota)
• Paleocene of Canada (5: Alberta, Saskatchewan), France (3), United States (19: Colorado, Montana, North Dakota, Texas, Wyoming)
• Cretaceous of Canada (62: Alberta, Saskatchewan), France (1), the United Kingdom (3), United States (65: Colorado, Montana, New Jersey, New Mexico, North Dakota, South Dakota, Utah, Wyoming)
Total: 169 collections including 199 occurrences