Utahceratops
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Utahceratops Temporal range: Late Cretaceous, 76.4–75.5 Ma |
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| Selected craniofacial elements of Utahceratops gettyi | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Order: | †Ornithischia |
| Family: | †Ceratopsidae |
| Subfamily: | †Chasmosaurinae |
| Genus: |
†Utahceratops Sampson et al., 2010 |
| Species: | †U. gettyi |
| Binomial name | |
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Utahceratops gettyi Sampson et al., 2010 |
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Utahceratops (meaning "Utah (keras, "horn") and (ōps, "face"))") is an extinct genus of ceratopsian dinosaur that lived approximately 76.4~75.5 million years ago during the Late Cretaceous period in what is now Utah. Utahceratops was a large-sized, robustly-built, ground-dwelling, quadrupedal herbivore, that could grow up to an estimated 7 m (23 ft) long.
The genus name Utahceratops, means "horned face from Utah", and is derived from the state of Utah and Greek words "keras" (κέρας) meaning "horn" and "ops" (ὤψ) referring to the "face". The specific name gettyi, is derived from the name of Mike Getty, who discovered the holotype and has played a pivotal role in the recovery of fossils from the Grand Staircase-Escalante National Monument (GSENM). It was first named by Scott D. Sampson, Mark A. Loewen, Andrew A. Farke, Eric M. Roberts, Catherine A. Forster, Joshua A. Smith and Alan L. Titus in 2010, and the type species is Utahceratops gettyi.
The holotype specimen UMNH VP 16784, consists of only a partial skull. This genus is known from six specimens, including two partial skulls, which when taken together preserve about 96% of the skull and 70% of the postcranial skeleton. Utahceratops are estimated to have measured on average 2 metres (6.6 feet) in height, 6 to 7 meters (19.7 to 23 feet) in length, and between three and four metric tons in weight.
Utahceratops has been classified as a basal chasmosaurine ceratopsian. It has been found to be in a clade of basal chasmosaurines with Pentaceratops.
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