^Michael J. Benton, Mikhail A. Shishkin, David M. Unwin, and Evgenii N. Kurochkin (2003): The Age of Dinosaurs in Russia and Mongolia, Cambridge University Press ISBN978-0-521-54582-2
^Ivakhnenko, M.F. (2011). "Permian and Triassic Therocephals (Eutherapsida) of Eastern Europe". Paleontological Journal. 45: 981–1144.