Russell, Anthony P.Ryan, Michael Joseph2005-08-082005-08-082003Ryan, M. J. (2003). Taxonomy, systematics and evolution of centrosaurine ceratopsids of the Campanian western interior basin of North America (Doctoral thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/179080612870782http://hdl.handle.net/1880/39714Bibliography: p. 424-460xviii, 578 leaves : ill. ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.doctoral thesishttp://dx.doi.org/10.11575/PRISM/17908AC1 .T484 2003 R935A