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PENTACERATOPS

a plant-eating chasmosaurine ceratopsid dinosaur from the Late Cretaceous of North America.
pentaceratops
Pronunciation: PEN-ta-SEH-ruh-tops
Meaning: Five horn face
Author/s: Osborn (1923)
Synonyms: See below
First Discovery: New Mexico, USA
Chart Position: 102

Pentaceratops sternbergi

(Sternberg's five horn face) Etymology
Pentaceratops is derived from the Greek "Pente" (five), "ceras" (horn) and "ops" (face), alluding to its five-horned face. Pentaceratops only had three "proper" horns—two on its brow and one on its snout, the other two, as in all ceratopsids and some other ceratopsians, were merely bony projections, one on each cheek. Henry Fairfield Osborn gave Pentaceratops the species epithet sternbergii—after its discoverer Charles Hazelius Sternberg—in 1923.
Synonyms
Pentaceratops fenestratus (Wiman, 1930)
Discovery
The first fossils of Pentaceratops were recovered from the Fruitland Formation, San Juan Basin, New Mexico by Charles Hazelius Sternberg in 1922. By the way, despite its history as part of the "New Spain"—conveniently "forgetting" that Native Americans tribes were there centuries earlier—the extreme northeast of New Mexico was originally ruled by France, and was sold to the United States as part of the Louisiana Purchase in 1803. The holotype (AMNH 6325) is an incomplete skull.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Campanian
Age range: 80-73 mya
Stats:
Est. max. length: 8 meters
Est. max. hip height: 2.4 meters
Est. max. weight: 4 tons
Diet: Herbivore
References
• Osborn, H.F. (1923) "A new genus and species of Ceratopsia from New Mexico".
• Lehman, T.M. (1998) "A gigantic skull and skeleton of the horned dinosaur Pentaceratops sternbergi from New Mexico".
• P. Dodson (1996) "The Horned Dinosaurs: a Natural History".
• Michael J. Ryan, B. J. Chinnery-Allgeier, D. A. Eberth (2010) "New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium".
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To cite this page:
Atkinson, L. "PENTACERATOPS :: from DinoChecker's dinosaur archive".
›. Web access: 26th Mar 2017.
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