Triceratops horridus

Triceratops horridus

Taxonavigation

Taxonavigation: Ceratopsoidea

Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Megaclassis: Osteichthyes Cladus: Sarcopterygii Cladus: Rhipidistia Cladus: Tetrapodomorpha Cladus: Eotetrapodiformes Cladus: Elpistostegalia Superclassis: Tetrapoda Cladus: Reptiliomorpha Cladus: Amniota Classis: Reptilia Cladus: Eureptilia Cladus: Romeriida Subclassis: Diapsida Cladus: Sauria Infraclassis: Archosauromorpha Cladus: Crurotarsi Cladus: Archosauria Cladus: Avemetatarsalia Cladus: Ornithodira Cladus: Dinosauromorpha Cladus: Dinosauriformes Cladus: Dracohors Cladus: Dinosauria Ordo: †Ornithischia Cladus: †Genasauria Cladus: †Neornithischia Cladus: †Cerapoda Cladus: †Marginocephalia Subordo: †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