Species
Valid Extinct

Triceratops horridus

(Marsh 1889)

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
41
Group
Dinosaures
Herbivore Ground dwelling Terrestrial
Classification
Dinosauria Unranked clade
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Ornithischia Unranked clade
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Neornithischia Unranked clade
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Pyrodontia Unranked clade
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Cerapoda Unranked clade
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Marginocephalia Unranked clade
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Ceratopsia Suborder
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Ceratopsidae Family
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Chasmosaurinae Subfamily
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Triceratopsini Unranked clade
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Triceratops Genus
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Triceratops horridus Species
Fossil sites 41 geolocated sites
Distribution
Top countries
🇺🇸 United States
38
🇨🇦 Canada
3
Geological formations
Lance
26
Scollard
2
Laramie
1
Evanston
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
40
Campanian (83.6–72.2 Ma)
1
Synonyms (9)
Nedoceratops hatcheri subjective synonym of Triceratops horridus
Triceratops albertensis subjective synonym of Triceratops horridus
Triceratops brevicornus subjective synonym of Triceratops horridus
Triceratops calicornis subjective synonym of Triceratops horridus
Triceratops elatus subjective synonym of Triceratops horridus
Triceratops eurycephalus subjective synonym of Triceratops horridus
Triceratops flabellatus subjective synonym of Triceratops horridus
Triceratops obtusus subjective synonym of Triceratops horridus
Triceratops serratus subjective synonym of Triceratops horridus
Bibliography
Original description
O. C. Marsh. 1889. Notice of gigantic horned Dinosauria from the Cretaceous. American Journal of Science 38:173-175 DOI ↗
Bibliography (20)
R. D. D'Anastasio, J. Cilli, and F. Bacchia, F. Fanti, G. Gobbo, L. Capasso. 2022. Histological and chemical diagnosis of a combat lesion in Triceratops. Scientific Reports 12(1):3941:1-8 DOI ↗
W. W. Stein. 2021. The paleontology, geology and taphonomy of the Tooth Draw Deposit; Hell Creek Formation (Maastrictian), Butte County, South Dakota. The Journal of Paleontological Sciences JPS.C.21:0001:1-108
W. W. Stein. 2019. Taking count: a census of dinosaur fossils recovered from the Hell Creek and Lance formations (Maastrichtian). The Journal of Paleontological Sciences JPS.C.2019:01:1-42
B. R. Erickson. 2017. History of the ceratopsian dinosaur Triceratops in the Science Museum of Minnesota, 1960–present. The Science Museum of Minnesota, Monograph (Paleontology) 12:1-37
M. H. Armitage and K. L. Anderson. 2013. Soft sheets of fibrillar bone from a fossil of the supraorbital horn of the dinosaur Triceratops horridus. Acta Histochemica 115:603-608 DOI ↗
K. Carpenter and D. B. Young. 2002. Late Cretaceous dinosaurs from the Denver Basin, Colorado. Rocky Mountain Geology 37(2):237-254 DOI ↗
D. A. Pearson, T. Schaefer, and K. R. Johnson, D. J. Nichols, J. P. Hunter. 2002. Vertebrate biostratigraphy of the Hell Creek Formation in southwestern North Dakota and northwestern South Dakota. The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous, Geological Society of America Special Paper 361:145-167 DOI ↗
M. J. Ryan and A. P. Russell. 2001. Dinosaurs of Alberta (exclusive of Aves). Mesozoic Vertebrate Life
D. R. Braman and D. A. Eberth. 1987. Paleontology and geology of the Edmonton Group (Late Cretaceous to Palaeocene), Red Deer River Valley, Alberta, Canada. Fourth Symposium on Mesozoic Terrestrial Ecosystems, Field Trip B" (August 14, 1987). Occasional Paper of the Tyrrell Museum of Palaeontology 28:1-27
J. H. Ostrom and P. Wellnhofer. 1986. The Munich specimen of Triceratops with a revision of the genus. Zitteliana 14:111-158
P. Schuyf. 1969. De kop van Triceratops cf. brevicornis HATCHER in het Mineralogisch-Geologisch Museum van de Technische Hogeschool te Delft [The head of Triceratops cf. brevicornis HATCHER in the Mineralogical-Geological Museum of the Technical University of Delft]. Grondboor en Hamer 1969(2):67-73
W. W. Rubey, S. S. Oriel, and J. I. Tracey, Jr. 1961. Age of the Evanston Formation, western Wyoming. Short Papers in the Geologic and Hydrologic Sciences, Artlcles 1–146. Geological Survey Research 1961. United States Geological Survey Professional Paper 424-B:B-153-B-154
C. M. Sternberg. 1949. The Edmonton fauna and description of a new Triceratops from the Upper Edmonton Member: phylogeny of the Ceratopsidae. National Museum of Canada Bulletin 113:33-46 DOI ↗
E. M. Schlaikjer. 1935. Contributions to the stratigraphy and palaeontology of the Goshen Hole area, Wyoming. II. The Torrington Member of the Lance Formation and a study of a new Triceratops. Bulletin of the Museum of Comparative Zoology 7(2):31-68
R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 DOI ↗
H. F. Osborn. 1933. Mounted skeleton of Triceratops elatus. American Museum Novitates 654:1-14
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 ↗
J. B. Hatcher, O. C. Marsh, and R. S. Lull. 1907. The Ceratopsia. Monographs of the United States Geological Survey 49:1-198 DOI ↗
J. B. Hatcher and R. S. Lull. 1905. Two new Ceratopsia from the Laramie of Converse County, Wyoming. The American Journal of Science, series 4 20(120):413-419 DOI ↗
O. C. Marsh. 1889. Notice of new American Dinosauria. The American Journal of Science and Arts, series 3 38:331-336 DOI ↗