Rhytidosteidae is a family of Temnospondyli that lived in the Permian and Triassic.
Phylogeny Below is a cladogram from Dias-da-Silva and Marsicano (2011):
References
Yates, AM (2000), A new tiny rhytidosteid (Temnospondyli: Stereospondyi) from the Early Triassic of Australia and the possibility of hidden temnospondyl diversity. J. Vert Paleontol. 20:484-489.
External links Rhytidosteidae at Palaeos.