Getty, M.A.; Loewen, M.A.; Roberts, E.M.; Titus, A.L.; Sampson, S.D. Taphonomy of horned dinosaurs (Ornithischia: Ceratopsidae) from the late Campanian Kaiparowits Formation, Grand Staircase–Escalante National Monument, Utah. Ryan, M.J.; Chinnery-Allgeier, B.J.; Eberth, D.A. (编). New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Bloomington: Indiana University Press. 2010: 478–494. ISBN 978-0-253-35358-0.
Carr, T.D.; Williamson, T.E.; Britt, B.B.; Stadtman, K. 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. 2011, 98 (3): 241–246. Bibcode:2011NW.....98..241C. PMID 21253683. doi:10.1007/s00114-011-0762-7.
Voris, J.T.; Therrien, F.; Zelenitsky, D.K.; Brown, C.M. A new tyrannosaurine (Theropoda: Tyrannosauridae) from the Campanian Foremost Formation of Alberta, Canada, provides insight into the evolution and biogeography of tyrannosaurids. Cretaceous Research. 2020, X: 104388. doi:10.1016/j.cretres.2020.104388.
Gates, T.A.; Horner, J.R.; Hanna, R.R.; Nelson, C.R. New unadorned hadrosaurine hadrosaurid (Dinosauria, Ornithopoda) from the Campanian of North America. Journal of Vertebrate Paleontology. 2011, 31 (4): 798. doi:10.1080/02724634.2011.577854.
Carr, T.D.; Williamson, T.E.; Britt, B.B.; Stadtman, K. 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. 2011, 98 (3): 241–246. Bibcode:2011NW.....98..241C. PMID 21253683. doi:10.1007/s00114-011-0762-7.
Carr, T.D.; Williamson, T.E.; Britt, B.B.; Stadtman, K. 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. 2011, 98 (3): 241–246. Bibcode:2011NW.....98..241C. PMID 21253683. doi:10.1007/s00114-011-0762-7.