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Lillegraven, Jason A.; Eberle, Jaelyn J. (July 1999). "Vertebrate faunal changes through Lancian and Puercan time in southern Wyoming". Journal of Paleontology. 73 (4). Cambridge University Press: 691–710. doi:10.1017/S0022336000032510. S2CID133072078.
Boyd, Clint A.; Brown, Caleb M.; Scheetz, Rodney D.; Clarke, Julia A. (2009). "Taxonomic revision of the basal neornithischian taxa Thescelosaurus and Bugenasaura". Journal of Vertebrate Paleontology. 29 (3): 758–770. doi:10.1671/039.029.0328. S2CID84273584.