Full reference: J. S. Anderson, R. R. Reisz, D. Scott, N. B. Fröbisch, and S. S. Sumida. 2008. A stem batrachian from the Early Permian of Texas and the origin of frogs and salamanders. Nature 453:515-518
Sister taxa: none
Type specimen: USNM 489135, a partial skeleton (stylopods, zeugopods, and ventral portions of the skull and pectoral girdle are missing). Its type locality is USNM Locality 40971, which is in a Kungurian terrestrial siltstone in the Arroyo or Vale Formation of Texas.
Ecology: amphibious carnivore