Genus
Valid Extinct

Prenoceratops

Chinnery 2004
Etymology Tête cornue penchée

Prenoceratops, is a genus of herbivorous ceratopsian dinosaur from the Late Cretaceous Period. It was a relatively small dinosaur, reaching 1.3 m (4.3 ft) in length and 20 kg (44 lb) in body mass. Its fossils have been found in the upper Two Medicine Formation in the present-day U.S. state of Montana, in Campanian age rock layers that have been dated to 74.3 million years ago. Fossils were also found in the Oldman Formation in the modern day Canadian province of Alberta, dating to around 77 million years ago.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Herbivore Ground dwelling Terrestrial
Prenoceratops
click to enlarge
A Prenoceratops from Pondera Co., Montana now in the permanent collection of The Children’s Museum of Indianapolis. CC BY-SA 3.0 · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Ornithischia Unranked clade
›
Neornithischia Unranked clade
›
Pyrodontia Unranked clade
›
Cerapoda Unranked clade
›
Marginocephalia Unranked clade
›
Ceratopsia Suborder
›
Neoceratopsia Infraorder
›
Leptoceratopsidae Family
›
Prenoceratops Genus
Fossil sites 2 geolocated sites
Distribution
Top countries
🇨🇦 Canada
1
🇺🇸 United States
1
Geological formations
Oldman
1
Two Medicine
1
Temporal distribution
Campanian (83.6–72.2 Ma)
2
Species (1)
Prenoceratops pieganensis 84 Ma
Images 2
Bibliography
Original description
B. J. Chinnery. 2004. Description of Prenoceratops pieganensis gen. et sp. nov. (Dinosauria: Neoceratopsia) from the Two Medicine Formation of Montana. Journal of Vertebrate Paleontology 24(3):572-590 DOI ↗
Bibliography (2)
T. Miyashita, P. J. Currie, and B. J. Chinnery-Allgeier. 2010. First basal neoceratopsian from the Oldman Formation (Belly River Group), southern Alberta. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington
B. J. Chinnery. 2004. Description of Prenoceratops pieganensis gen. et sp. nov. (Dinosauria: Neoceratopsia) from the Two Medicine Formation of Montana. Journal of Vertebrate Paleontology 24(3):572-590 DOI ↗