Full reference: C. Linnaeus. 1758. Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Editio Decima 1:1-824
Parent taxon: Tetrapoda according to J. A. Gauthier et al. 1989
See also Benton 1985, Gadow 1898, Gardiner 1982, Gauthier et al. 1988, Huxley 1880, Jaekel 1911, Laurin et al. 2000, Meyer and Zardoya 2003, Owen 1859, Sepkoski 2002, Shoshani et al. 1989 and Thurmond and Jones 1981
Sister taxa: Acanthostegidae, Aistopoda, Antlerpeton, Austrobrachyops, Austrobrachyops jenseni, Aytonerpeton, Baphetoidea, Brittagnathus, Caerorhachidae, Casineria, Characichnos, Chroniosuchia, Collettosaurus, Colosteidae, Crassigyrinidae, Crucipes, Diploradus, Dipodiscus, Doragnathus, Eldeceeon, Embolomeri, Erpetopus, Gaiasia, Hemispondyla, Janusichnus, Janusichnus bifrons, Kirktonecta, Koilops, Laoporus, Limnosceloides, Limnosceloides brachycoles, Limnosceloides dunkardensis, Lunaepes, Merifontichnus, Mesanerpeton, Microsauropus, Miosauria, Namuncurania malarguense, Nasopus grimmi, Nothosaurops occiduus, Ossirarus, Paleosauropus, Parmastega, Perittodus, Plesiosaurus vaccinsulensis, Polyptychodon mackesoni, Reniformichnus, Reptiliomorpha, Romeriscus, Romeriscus periallus, Saurichnium parallelum, Sigournea, Silvanerpeton, Solenodonsaurus, Solidopus, Solidopus perissodactylus, Tambachichnium, Tantallognathus, Tetrapodium, Thecodontichnus, Theriodesmus, Typopus, Wangwusaurus, Wangwusaurus tayuensis, Westlothiana, Whatcheeriidae
Subtaxa: Amphibiopodiscus Amphisauropus Anthracopus Anthracosauromorpha Apsidospondyli Batrachichnus Batrachopodiscus Campsichrotes Euamphibia Lehahichnus Lepospondyli Limnopus Matthewichnus Phractamphibia Quadropedia Ruecklinichnium Sterrichrotes Strepsichrotes Temnospondyli Urodelomorpha