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Triceratops horridus

Triceratops horridus

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: †Triceratops
Species: Triceratops horridus

Triceratops horridus (Marsh, 1889a)

Type locality: Lance Formation, Wyoming, USA.
Holotype: YPM 1820

Ceratops horridus Marsh, 1889a


Sterrholophus flabellatus Marsh, 1889
Triceratops calicornis Marsh, 1898
Triceratops elatus Marsh, 1891
Triceratops obtusus Marsh, 1898
Triceratops serratus Marsh, 1890

Other combination

Triceratops horridus: Marsh, 1889b


Marsh, O.C. 1889a: Notice of new American Dinosauria. The American Journal of Science and Arts, series 3 38: 331–336.
Marsh, O.C. 1889b: Notice of gigantic horned Dinosauria from the Cretaceous. American Journal of Science 38: 173–175.
Forster, C.A. 1996: Species resolution in Triceratops: cladistic and morphometric approaches. Journal of Vertebrate Paleontology 16 (2): 259–270.
Scannella, J.B. & Fowler, D.W. 2009: Anagenesis in Triceratops: evidence from a newly resolved stratigraphic framework for the Hell Creek Formation. Pp. 148–149 in 9th North American Paleontological Convention Abstracts. Cincinnati Museum Center Scientific Contributions 3.
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


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