Zelenitsky, Darla K.; Hills, L. V. (1996). "An egg clutch of Prismatoolithus levis oosp. nov. from the Oldman Formation (Upper Cretaceous), Devil's Coulee, southern Alberta". Canadian Journal of Earth Sciences.33 (8): 1127–1131. doi: 10.1139/e96-085
Michael J. Ryan, Logan Micucci, Hanika Rizo, Corwin Sullivan, Yuong-Nam Lee, and David C. Evans (2023). New Late Cretaceous leptoceratopsid (Dinosauria: Ceratopsia) from the Oldman Formation (Campanian) of Alberta, Canada
in: Yuong-Nam Lee, editor (2023). WINDOWS INTO SAUROPSID AND SYNAPSID EVOLUTION: Essays in honor of Prof. Louis L. Jacobs: 151-165.