Project 5124: H. C. Maddin, C. A. Sidor, R. R. Reisz. 2008. Cranial anatomy of Ennatosaurus tecton (Synapsida: Caseidae) from the Middle Permian of Russia and the evolutionary relationships of Caseidae. Journal of Vertebrate Paleontology. 28 (1):160-180.
This project has 5 specimens.