Parent taxon: Tetrapoda according to O. Jaekel 1911
Sister taxa: Acanthostegidae, Aistopoda, Amphibia, Antlerpeton, Austrobrachyops, Austrobrachyops jenseni, Aytonerpeton, Baphetoidea, Brittagnathus, Caerorhachidae, Casineria, Characichnos, Chroniosuchia, Collettosaurus, Colosteidae, Crassigyrinidae, Crucipes, Diploradus, Dipodiscus, Doragnathus, Eldeceeon, Embolomeri, Erpetopus, Gaiasia, 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: Acanthostomi Plagiosterni Sclerocephali Trematocephali
Ecology: