Full reference: O. Abel. 1919. Die Stämme der Wirbeltiere. Walter de Gruyter, Berlin, Leipzig 914 p.
Parent taxon: Stereospondyli according to R. R. Schoch 2013
See also Carroll 1988, Kuhn 1971 and Yates and Warren 2000
Sister taxa: Arachana, Boreosaurus, Boreosaurus thorslundi, Brachyopoidea, Brachyopomorpha, Capulomala, Chinlestegophis, Cryobatrachus, Cryobatrachus kitchingi, Diadetognathus, Diadetognathus varvicensis, Kryostega, Labyrinthodon panchetensis, Laccocephalus, Laccocephalus insperatus, Mastodonsaurus andriani, Mastodonsaurus fuerstenberganus, Mastodonsaurus indicus, Mastodonsaurus meyeri, Ninumbeehan, Pachygonia, Pachygonia incurvata, Peltobatrachus, Rhinesuchidae, Rhytidostea, Superstes
Subtaxa: none
Type: Plagiosaurus
Ecology: amphibious carnivore
Distribution: found only at Chulabhorn Dam (Triassic of Thailand)