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Chamosaurus belli skull


Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: †Ornithischia
Cladus: †Genasauria
Cladus: †Neornithischia
Cladus: †Cerapoda
Cladus: †Marginocephalia
Cladus: †Ceratopsia
Cladus: †Neoceratopsia
Superfamilia: †Ceratopsoidea
Familia: †Ceratopsidae
Subfamillia: †Chasmosaurinae
Genus: †Chasmosaurus
Species: C. belli – C. russelli


  • Chasmosaurus Lambe, 1914b

Type species: Monoclonius belli Lambe, 1902



  • Lambe, L.M. 1902: On vertebrata of the Mid-Cretaceous of the Northwest Territory, Pt. 2. New genera and species from the Belly River Series (Mid-Cretaceous). Canada Geological Survey, Contributions to Canadian Paleontology 3: 25–81.
  • Lambe, L.M. 1914a: On the fore-limb of a carnivorous dinosaur from the Belly River Formation of Alberta, and a new genus of Ceratopsia from the same horizon, with remarks on the integument of some Cretaceous herbivorous dinosaurs. Ottawa naturalist, 27: 129–135, plates XIII-XVII. Internet Archive Biodiversity Heritage Library
  • Lambe, L.M. 1914b: On Gryposaurus notabilis, a new genus and species of trachodont dinosaur from the Belly River Formation of Alberta, with a description of the skull of Chasmosaurus belli. Ottawa naturalist, 27: 145–155, plates XVIII-XX. Internet Archive Biodiversity Heritage Library
  • Lambe, L.M. 1915: On Eoceratops canadensis, gen. nov., with remarks on other genera of Cretaceous horned dinosaurs. Canada Geological Survey, Museum Bulletin 12: 1–49.
  • Lucas, S.G.; Sullivan, R.M. & Hunt, A.P. 2006. Re-evaluation of Pentaceratops and Chasmosaurus (Ornithischia: Ceratopsidae) in the Upper Cretaceous of the Western Interior. In S. G. Lucas and R. M. Sullivan (eds.), Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35: 367–370.
  • Maidment, S.C.R.; Barrett, P.M. 2011: A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs. Zootaxa, 2963: 1–47. Preview

Vernacular names[edit]

日本語: カスモサウルス