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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
Name

Triceratops horridus (Marsh, 1889a)

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

Ceratops horridus Marsh, 1889a

Synonyms

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

References

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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