Carr, T.D.; Williamson, T.E.; Britt, B.B.; Stadtman, K. (2011). «Evidence for high taxonomic and morphologic tyrannosauroid diversity in the Late Cretaceous (Late Campanian) of the American Southwest and a new short-skulled tyrannosaurid from the Kaiparowits formation of Utah». Naturwissenschaften (em inglês). 98 (3): 241–246. Bibcode:2011NW.....98..241C. PMID21253683. doi:10.1007/s00114-011-0762-7
Voris, J.T.; Therrien, F.; Zelenitsky, D.K.; Brown, C.M. (2020). «A new tyrannosaurine (Theropoda: Tyrannosauridae) from the Campanian Foremost Formation of Alberta, Canada, provides insight into the evolution and biogeography of tyrannosaurids». Cretaceous Research. X. 104388 páginas. doi:10.1016/j.cretres.2020.104388
Carr, T.D.; Williamson, T.E.; Britt, B.B.; Stadtman, K. (2011). «Evidence for high taxonomic and morphologic tyrannosauroid diversity in the Late Cretaceous (Late Campanian) of the American Southwest and a new short-skulled tyrannosaurid from the Kaiparowits formation of Utah». Naturwissenschaften (em inglês). 98 (3): 241–246. Bibcode:2011NW.....98..241C. PMID21253683. doi:10.1007/s00114-011-0762-7
Carr, T.D.; Williamson, T.E.; Britt, B.B.; Stadtman, K. (2011). «Evidence for high taxonomic and morphologic tyrannosauroid diversity in the Late Cretaceous (Late Campanian) of the American Southwest and a new short-skulled tyrannosaurid from the Kaiparowits formation of Utah». Naturwissenschaften (em inglês). 98 (3): 241–246. Bibcode:2011NW.....98..241C. PMID21253683. doi:10.1007/s00114-011-0762-7