Parent taxon: Temnospondyli according to M. A. Shishkin et al. 2000
See also Gubin 1997 and Yates and Warren 2000
Sister taxa: Almasauroidea, Anthichnium, Archegosauriformes, Arkanserpeton, Arkanserpeton arcuatum, Baropezia, Capetus, Colosteoidea, Edopoidea, Edopsoidea, Episcopopus, Eurycervix, Euskelia, Eutemnospondyli, Hemiprichisaurus, Hesperoherpeton, Hylopus, Ichthyostegalia, Labyrinthodon laniarius, Labyrinthodon pachygnathus, Labyrinthodon ventricosus, Limnarchia, Lissamphibia, Lysipterygiidae, Megapezia, Miobatrachus, Nanopus, Orthosauriscus, Otuminisaurus, Otuminisaurus limensis, Palaeosauropus, Palatinerpeton, Petrophryne major, Phrynosuchus, Phrynosuchus whaitsi, Pleuronoura, Porierpeton, Ptychosphenodon, Ptychosphenodon browni, Rhinesuchoidea, Rileymillerus, Saharastega, Saurischiocomes, Saurischiocomes keuperinus, Syphonodon, Syphonodon thecomastodon, Temnocorpichnus, Zatrachys conchigerus
Subtaxa: Archegosauridae Melosauridae
Ecology: amphibious carnivore
Distribution:
• Tatarian of the Russian Federation (2 collections)
• Permian of Brazil (2), India (2), the Russian Federation (23)
Total: 29 collections including 38 occurrences