| Description | Utahraptor (meaning Utah's predator) is a genus of large dromaeosaurid theropod dinosaur that lived in North America during the Early Cretaceous period. It was a heavy-built, ground-dwelling, bipedal carnivore. It contains a single species, Utahraptor ostrommaysi, which is the largest-known member of the family Dromaeosauridae.
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| Source Data | |
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| Rank | genus |
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| Taxonomy (GBIF) | Life : Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : Utahraptor |
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| Taxonomy (PBDB) | Life : Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Utahraptor |
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| Taxonomic Status (GBIF) | accepted |
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Classification
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| Scientific Name | Utahraptor Kirkland et al., 1993 |
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| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
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| Utahraptor | genus | belongs to Velociraptorinae | stated without evidence | Currie, 1995 | | Utahraptor | genus | belongs to Dromaeosauridae | stated without evidence | Britt and Stadtman, 1997 | | Utahraptor | genus | belongs to Velociraptorinae | stated without evidence | Currie, 2000 | | Utahraptor | genus | belongs to Dromaeosaurinae | stated without evidence | Barco and Ruiz-Omeñaca, 2001 | | Utahraptor | genus | belongs to Dromaeosauridae | stated without evidence | Rauhut, 2003 | | Utahraptor | genus | belongs to Dromaeosauridae | stated with evidence | Norell and Makovicky, 2004 | | Utahraptor | genus | belongs to Dromaeosauridae | stated without evidence | Kiernan and Schwimmer, 2004 | | Utahraptor | genus | belongs to Dromaeosaurinae | stated with evidence | Senter et al., 2004 | | Utahraptor | genus | belongs to Dromaeosaurinae | stated without evidence | Burnham et al., 2004 | | Utahraptor | genus | belongs to Dromaeosauridae | stated without evidence | Turner et al., 2007 | | Utahraptor | genus | belongs to Dromaeosaurinae | stated with evidence | Longrich and Currie, 2009 | | Utahraptor | genus | belongs to Dromaeosauridae | stated without evidence | Apesteguía et al., 2011 | | Utahraptor | genus | belongs to Dromaeosauridae | stated with evidence | Pei et al., 2014 | | Utahraptor | genus | belongs to Dromaeosaurinae | stated with evidence | Sues and Averianov, 2014 | | Utahraptor | genus | belongs to Dromaeosaurinae | stated without evidence | Williamson and Brusatte, 2014 |
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| Status (PBDB) | extinct |
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| Taxon Size (PBDB) | 2 |
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| First Recorded Appearance | 129 - 125 Ma
Early/Lower Cretaceous |
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| Last Recorded Appearance | 125 - 122 Ma
Early/Lower Cretaceous |
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| Environment | terrestrial (based on Dromaeosauridae) |
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| Motility | actively mobile (based on Theropoda) |
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| Diet | carnivore (based on Dromaeosauridae) |
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| Reproduction | oviparous (based on Dromaeosauridae) |
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| Ontogeny | accretion,modification of parts (based on Theropoda) |
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| Taphonomy | hydroxylapatite,compact or dense (based on Theropoda) |
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| Primary Reference (PBDB) | J. I. Kirkland, D. Burge, and R. Gaston. 1993. A large dromaeosaur (Theropoda) from the Lower Cretaceous of eastern Utah. Hunteria 2(10):1-16 |
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| Wikipedia | https://en.wikipedia.org/wiki/Utahraptor |
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| Kirkland J. I., Burge D., et al (1993) A large dromaeosaur (Theropoda) from the Lower Cretaceous of eastern Utah, Hunteria 2 10, 1-16 |
| Currie P. J. (1995) New information on the anatomy and relationships of Dromaeosaurus albertensis (Dinosauria: Theropoda), Journal of Vertebrate Paleontology 15 3, 576-591 |
| Smith D. K. (1997) Museum of Earth Science, Brigham Young University, Encyclopedia of Dinosaurs, 457-458 |
| Le Loeuff J., Buffetaut E. (1998) A new dromaeosaurid theropod from the Upper Cretaceous of southern France, Oryctos 1, 105-112 |
| Currie P. J. (2000) Theropods from the Cretaceous of Mongolia, The Age of Dinosaurs in Russia and Mongolia, 434-455 |
| Barco J. L., Ruiz-Omeñaca J. I. (2001) Primeros dientes de terópodo (Dinosauria, Saurischia) en la Formación Villar del Arzobispo (Tithónico-Berriasiense): yacimientos Cuesta Lonsal y Las Cerradicas 2 (Galve, Teruel) [First teeth of a theropod (Dinosauria, Saurischia) in the Villar del Arzobispo Formation (Tithonian–Berriasian): Cuesta Lonsal and Las Cerradicas 2 localities (Galve, Teruel)], XVII Jornadas de la Sociedad Española de Paleontología. Los Fósiles y la Paleogeografía. Ayuntamiento de Albarracín y Fundación Conjunto Paleontólogico de Teruel, Albarracin, Spain 5.1, 239-246 |
| Rauhut O. W. M. (2003) The interrelationships and evolution of basal theropod dinosaurs, Special Papers in Palaeontology 69, 1-213 |
| Ruiz-Omeñaca J. I., Canudo J. I. (2003) Dinosaurios (Saurischia, Ornithischia) en el Barremiense (Cretácico Inferior) de la península Ibérica [Dinosaurs (Saurischia, Ornithischia) in the Barremian (Lower Cretaceous) of the Iberian peninsula], Dinosaurios y Otros Reptiles Mesozóicos de España, 269-312 |
| Kiernan K., Schwimmer D. R. (2004) First record of a celociraptorine theropod (Tetanurae, Dromaeosauridae) from the eastern Gulf Coastal United States, The Mosasaur 7, 89-93 |
| Senter P., Barsbold R., et al (2004) Systematics and evolution of Dromaeosauridae (Dinosauria, Theropoda), Bulletin of the Gunma Museum of Natural History 8, 1-20 |
| Turner A. H., Hwang S. H., et al (2007) A small derived theropod from Öösh, Early Cretaceous, Baykhangor Mongolia, American Museum Novitates 3557, 1-27 |
| Godefroit P., Currie P. J., et al (2008) A new species of Velociraptor (Dinosauria: Dromaeosauridae) from the Upper Cretaceous of northern China, Journal of Vertebrate Paleontology 28 2, 432-438 |
| Britt B. B., Eberth D. A., et al (2009) Taphonomy of debris-flow hosted dinosaur bonebeds at Dalton Wells, Utah (Lower Cretaceous, Cedar Mountain Formation, USA), Palaeogeography, Palaeoclimatology, Palaeoecology 280, 1-22 doi:10.1016/j.palaeo.2009.06.004 |
| Longrich N. R., Currie P. J. (2009) A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America, Proceedings of the National Academy of Sciences doi:10.1073/pnas.0811664106 |
| Apesteguía S., de Valais S., et al (2011) New ichnological record from the late Campanian Toro Toro Formation at Toro Toro, Potosí (Bolivia): first probably dromaeosaurid tracks from South America, Ameghiniana 48 4, 662-667 |
| Senter P., Kirkland J. I., et al (2012) Martharaptor greenriverensis, a new theropod dinosaur from the Lower Cretaceous of Utah, PLoS ONE 7 8, e43911:1-12 doi:10.1371/journal.pone.0043911 |
| Pei R., Li Q., et al (2014) A New Specimen of Microraptor (Theropoda: Dromaeosauridae) from the Lower Cretaceous of Western Liaoning, China, American Museum Novitates 3821, 1-28 doi:http://dx.doi.org/10.1206/3821.1 |
| Sues H.-D., Averianov A. (2014) Dromaeosauridae (Dinosauria: Theropoda) from the Bissekty Formation (Upper Cretaceous: Turonian) of Uzbekistan and the phylogenetic position of Itemirus medullaris Kurzanov, 1976, Cretaceous Research 51, 225-240 |
| Williamson T. E., Brusatte S. L. (2014) Small theropod teeth from the Late Cretaceous of the San Juan Basin, northwestern New Mexico and their implications for understanding latest Cretaceous dinosaur evolution, PLoS ONE 9 4, e93190:1-23 doi:10.1371/journal.pone.0093190 |
Utahraptor ✝
Utahraptor ostrommaysi ✝
