English: Size comparison of several members of Ceratopsidae . The taxa included are listed here (from left to right): Left side: Nasutoceratops titusi , Styracosaurus albertensis , Centrosaurus apertus , and Pachyrhinosaurus canadensis . Right side: Triceratops prorsus , Pentaceratops sternbergii , Chasmosaurus belli , and Anchiceratops ornatus . The human silhouette is from File:Silhouette of man standing and facing forward.svg (CC0).

• Nasutoceratops
  • Sampson, S.D.; Lund, E.K.; Loewen, M.A.; Farke, A.A.; Clayton, K.E. (2013). " A remarkable short-snouted horned dinosaur from the Late Cretaceous (late Campanian) of southern Laramidia ". Proceedings of the Royal Society B: Biological Sciences 280 (1766): 20131186.
• Styracosaurus : see File:Styracosaurus Scale.svg for details
• Centrosaurus : see File:Centrosaurus Scale.svg for details
• Pachyrhinosaurus : see File:Pachyrhinosaurus Scale 2.svg for details
• Triceratops
  • See File:Triceratops Scale V1.svg for details, note that postcranium is based on T. horridus
  • Skull size matches that given in:
    • Scannella, J.B.; Horner, J.R. (2010). " Torosaurus Marsh, 1891, is Triceratops Marsh, 1889 (Ceratopsidae: Chasmosaurinae): Synonymy through ontogeny". Journal of Vertebrate Paleontology 30 (4): 1157-1168.
  • Horn shape based on:
    • Witton, M.P. (2018) The Palaeoartist's Handbook , The Crowood Press
• Pentaceratops : see File:Pentaceratops Size.svg for details
• Chasmosaurus
  • Skeletal diagram by Scott Hartman
  • Godfrey, S.J.; Holmes, R. (1995). "Cranial morphology and systematics of Chasmosaurus (Dinosauria: Ceratopsidae) from the Upper Cretaceous of western Canada". Journal of Vertebrate Paleontology 15 (4): 726-742.
• Anchiceratops : see File:Anchiceratops Size.svg for details