PaleoDB taxon number: 252444
Full reference: A. S. Romer. 1936. Studies on American Permo-Carboniferous reptiles. Problems of Paleontology 1:85-93
Sister taxa: none
Type specimen: MCZ 215, a partial skull. Its type locality is Padgett, Young County (Archer City Formation), which is in a Gzhelian/Wolfcamp terrestrial horizon in the Archer City Formation of Texas.
Ecology: amphibious carnivore