Huttenlocker, A. (2009). An investigation into the cladistic relationships and monophyly of therocephalian therapsids (Amniota: Synapsida). Zoological Journal of the Linnean Society. 157 (4): 865—891. doi:10.1111/j.1096-3642.2009.00538.x.
Abdala, F.; Rubidge, B. S.; Heever, J. A. van den (2008). The oldest therocephalians (Therapsida, Eutheriodontia) and the early diversification of Therapsida. Palaeontology. 51 (4): 1011—1024. doi:10.1111/j.1475-4983.2008.00784.x.