Size of CMN 8547, a nearly complete chasmosaurine skeleton missing the majority of the skull. It probably belongs to either Anchiceratops or Arrhinoceratops. Here, the skull of Anchiceratops was used to restore the unknown head. The human silhouette is from File:Silhouette of man standing and facing forward.svg (CC0).
References
Mallon, Jordan C.; Holmes, Robert (2010)       Description of a complete and fully articulated chasmosaurine postcranium previously assigned to Anchiceratops (Dinosauria: Ceratopsia), Bloomington:  Indiana University Press, pp. 189−202  
Carpenter, Kenneth (2010). "Species concept in North American stegosaurs". Swiss Journal of Geosciences 103 (2): 155-162.
Own work
User:Slate Weasel