Species
Valid Extinct

Triceratops prorsus

(Marsh 1890)

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
17
Group
Dinosaures
Herbivore Ground dwelling Terrestrial
Classification
Dinosauria Unranked clade
Ornithischia Unranked clade
Neornithischia Unranked clade
Pyrodontia Unranked clade
Cerapoda Unranked clade
Marginocephalia Unranked clade
Ceratopsia Suborder
Ceratopsidae Family
Chasmosaurinae Subfamily
Triceratopsini Unranked clade
Triceratops Genus
Triceratops prorsus Species
Fossil sites 17 geolocated sites
Distribution
Top countries
🇺🇸 United States
9
🇨🇦 Canada
8
Geological formations
Lance
5
Temporal distribution
Maastrichtian (72.2–66 Ma)
17
Bibliography
Original description
O. C. Marsh. 1890. Description of new dinosaurian reptiles. The American Journal of Science, series 3 39:81-86 DOI ↗
Bibliography (11)
M. J. Roloson. 2022. Evolutionary Tempo and Mode of Triceratops from the Uppermost Maastrichtian Frenchman Formation of Southern Saskatchewan DOI ↗
F. D. Holland, Jr. 1997. A North Dakota Triceratops skull. Contributions to Geology, University of Wyoming 32(1):37-50
J. H. Ostrom and P. Wellnhofer. 1986. The Munich specimen of Triceratops with a revision of the genus. Zitteliana 14:111-158
T. T. Tokaryk. 1986. Ceratopsian dinosaurs from the Frenchman Formation (Upper Cretaceous) of Saskatchewan. Canadian Field-Naturalist 100(2):192-196 DOI ↗
C. Lupton, D. Gabriel, and R. M. West. 1980. Paleobiology and depositional setting of a Late Cretaceous vertebrate locality, Hell Creek Formation, McCone County, Montana. Contributions to Geology, University of Wyoming 18(2):117-126
B. R. Erickson. 1966. Mounted skeleton of Triceratops prorsus in the Science Museum. Scientific Publications of the Science Museum of Minnesota, New Series 1(1):1-16
Anonymous. 1958. Triceratops at Birmingham Museum. Museum Journal 58(1):16-17
C. M. Sternberg. 1924. Report on a collection of vertebrates from Wood Mountain, southern Saskatchewan, collected by C. M. Sternberg, 1921. Canada Department of Mines Geological Survey Bulletin (Geological Series) 38(43):27-28
R. S. Lull. 1915. The mammals and horned dinosaurs of the Lance Formation of Niobrara County, Wyoming. The American Journal of Science, series 4 40(238):319-348 DOI ↗
Anonymous. 1911. [A fine skull of the horned Dinosaur, Triceratops prorsus]. Nature 87(2183):301
J. B. Hatcher, O. C. Marsh, and R. S. Lull. 1907. The Ceratopsia. Monographs of the United States Geological Survey 49:1-198 DOI ↗