Triceratops prorsus

uperregnum: 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: †Triceratops
Species: Triceratops prorsus
Name

Triceratops prorsus Marsh, 1890
Type locality: Laramie Formation, Wyoming, USA.
Holotype: YPM 1822

Synonymy

Triceratops brevicornus Hatcher & Lull, 1905

References

Marsh, O.C. 1890: Description of new dinosaurian reptiles. The American Journal of Science, series 3 39: 81–86.
Forster, C.A. 1996: Species resolution in Triceratops: cladistic and morphometric approaches. Journal of Vertebrate Paleontology 16 (2): 259–270.
Scannella, J. & Horner, J.R. 2010: Torosaurus Marsh, 1891, is Triceratops Marsh, 1889 (Ceratopsidae: Chasmosaurinae): synonymy through ontogeny. Journal of Vertebrate Paleontology 30 (4): 1157 - 1168. DOI: 10.1080/02724634.2010.483632