Utahraptor Fossil range: Early Cretaceous
Life restoration of Utahraptor ostrommaysi.
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Superorder: Dinosauria Order: Saurischia Suborder: Theropoda Family: Dromaeosauridae Genus: Utahraptor Kirkland, Gaston & Burge, 1993
Species
U. ostrommaysi Kirkland, Gaston & Burge, 1993 (type) The Early Cretaceous (timestratigraphic name) or the Lower Cretaceous (logstratigraphic name), is the earlier of the two major divisions of the Cretaceous period. ... Image File history File links No higher resolution available. ... Scientific classification redirects here. ... For other uses, see Animal (disambiguation). ... Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... Reptilia redirects here. ... Orders & Suborders Saurischia Sauropodomorpha Theropoda Ornithischia Thyreophora Ornithopoda Marginocephalia Dinosaurs were vertebrate animals that dominated the terrestrial ecosystem for over 160 million years, first appearing approximately 230 million years ago. ... Groups Sauropodomorpha    Saturnalia    Prosauropoda    Sauropoda Theropoda    Eoraptor    Herrerasauridae    Ceratosauria    Tetanurae       Aves(extant) Saurischians (from the Greek Saurischia meaning lizard hip) are one of the two orders/branches of dinosaurs. ... Subdivisions ?Eoraptor Herrerasauria Coelophysoidea Ceratosauria Cryolophosaurus Spinosauridae Carnosauria Coelurosauria Theropods (beast foot) are a group of bipedal saurischian dinosaurs. ... Genera See text. ... For other uses, see Species (disambiguation). ... In zoological nomenclature, a type is a specimen or a taxon. ...

Utahraptor (meaning "Utah's predator"^[1]) is the largest known member of the theropod dinosaur family Dromaeosauridae, and dates from the upper Barremian stage of the Early Cretaceous period (132-119 million years ago).^[1] This article is about the U.S. state. ... Families See text Theropods (beast foot) are a group of bipedal, primarily carnivorous dinosaurs, belonging to the saurischian (lizard-hip) family. ... Orders & Suborders Saurischia Sauropodomorpha Theropoda Ornithischia Thyreophora Ornithopoda Marginocephalia Dinosaurs were vertebrate animals that dominated the terrestrial ecosystem for over 160 million years, first appearing approximately 230 million years ago. ... Genera See text. ... The Barremian faunal stage was a period of geological time between 117 and 113 million years ago. ... Faunal stages are a subdivision of geologic time used primarily by paleontologists who study fossils rather than by geologists who study rock formations. ... // The Cretaceous Period (pronounced ) is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic Period (i. ...

Utahraptor ostrommaysi, to scale with a human.

James Kirkland, Rob Gaston, and Don Burge discovered Utahraptor in 1993 in Grand County, Utah, within the Cedar Mountain Formation.^[1] The type specimen is currently housed at the College of Eastern Utah, although Brigham Young University currently houses the largest collection of Utahraptor fossils. Image File history File links Size of this preview: 800 × 361 pixelsFull resolution (1026 × 463 pixel, file size: 57 KB, MIME type: image/png) File historyClick on a date/time to view the file as it appeared at that time. ... Image File history File links Size of this preview: 800 × 361 pixelsFull resolution (1026 × 463 pixel, file size: 57 KB, MIME type: image/png) File historyClick on a date/time to view the file as it appeared at that time. ... Grand County is a county located in the U.S. state of Utah. ... This article is about the U.S. state. ... The Cedar Mountain Formation is the name given to distinctive sedimentary rocks in eastern Utah that occur between the underlying Morrison Formation and overlying Naturita Formation (sometimes incorrectly called the Dakota Formation). ... Type specimens When a new species is discovered, more important than creating a new and unique name for the species is developing a reasonably detailed description. ... CEU Prehistoric Museum (©2001 SW Clyde, courtesy of byways. ... , Brigham Young University (BYU), located in Provo, Utah, is a private coeducational school completely owned by The Church of Jesus Christ of Latter-day Saints (LDS or Mormon Church) and run under the auspices of its Church Educational System. ...

The type species (and only known species of Utahraptor), Utahraptor ostrommaysi, was named for the American paleontologist John Ostrom, from Yale University's Peabody Museum of Natural History, and Chris Mays, of Dinamation International. Sculptor Raymond Persinger was included in James Kirkland's original abstract referencing Mr. Persinger's concepts regarding the claw structure. In biology, a type is that which fixes a name to a taxon. ... A paleontologist carefully chips rock from a column of dinosaur vertebrae. ... John Ostrom John H. Ostrom (February 18, 1928 – July 16, 2005) was an American paleontologist who revolutionized modern understanding of dinosaurs in the 1960s, when he demonstrated that dinosaurs are more like big non-flying birds than they are like lizards (or saurians), an idea first proposed by Thomas Henry... The Peabody Museum of Natural History at Yale University was founded by the philanthropist George Peabody in 1866 at the behest of his nephew Othniel Charles Marsh, the early paleontologist. ... Dinamation International Corporation was a robotics effects company based in San Juan Capistrano, Santa Ana, and Tustin, California, USA. It was founded in 1986 by former airline pilot Chris Mays and some neighbors and collapsed in disarray the late 1990s. ... Artist Raymond Persinger (1959) has created sculptures for many public and private collections including the City of Brea, California, Chapman University and the National Geographic Museum. ...

Model of a Utahraptor foot, showing specialised claw.

Like other dromaeosaurids, Utahraptor had a huge curved claw on the second toe that could grow to 23 centimetres (9.1 in) long. The animal may have grasped its prey with its forelimbs while kicking with its hindlimbs. Recent tests on reconstructions of the smaller Velociraptor suggest that claws of this type were used for stabbing or suffocating its prey, not slashing into their hide.^[2] Up to 6.5 m (21 ft) long, 2 m (6.6 ft) tall, and 700 kg (1,500 lb) in weight, Utahraptor would have been a formidable predator.^[1] Image File history File links Size of this preview: 443 × 600 pixelsFull resolution (1314 × 1779 pixel, file size: 1. ... Image File history File links Size of this preview: 443 × 600 pixelsFull resolution (1314 × 1779 pixel, file size: 1. ... A centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundredth of a metre, the current SI base unit of length. ... An inch (plural: inches; symbol or abbreviation: in or, sometimes, ″ - a double prime) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customary units. ... Species V. mongoliensis Osborn, 1924 (type) Velociraptor (IPA: ; meaning swift thief) is a genus of dromaeosaurid theropod dinosaur that existed approximately 83 to 70 Ma (million years ago) during the later part of the Cretaceous Period. ... Kg redirects here. ... Look up pound in Wiktionary, the free dictionary. ...

It is thought that Utahraptor may be closely related to the much smaller Dromaeosaurus and the giant Mongolian dromaeosaurid Achillobator.^[1] Species (type) Dromaeosaurus (pronounced ) was a genus of theropod dinosaur which lived during the Late Cretaceous period (Campanian), about 76 - 72 million years ago, in Alberta, Canada. ... Binomial name Achillobator giganticus , Achillobator giganticus was a carnivorous dinosaur. ...

In popular culture

The novel Raptor Red, by Bob Bakker, told the story of a pack of Utahraptor. Another speculative reconstruction of Utahraptor lifestyle and behavior was presented in the BBC television series Walking with Dinosaurs. The novel Raptor, by Paul Zindel, gave Utahraptor fictional characteristics including poison-secreting claws. For other uses, see Novel (disambiguation). ... Robert T. Bakker (Bob Bakker), born in Bergen, New Jersey, 1945, is a famous American paleontologist who has helped re-shape modern theories about dinosaurs, particularly by adding support to the theory that some dinosaurs were homeothermic (warm-blooded). ... Robert T. Bakker (Bob Bakker), born in Bergen, New Jersey, 1945, is a famous American paleontologist who has helped re_shape modern theories about dinosaurs, particularly by adding support to the theory that some dinosaurs were homeothermic (warm-blooded). ... For other uses, see BBC (disambiguation). ... Walking with Dinosaurs was a six-part television series produced by the BBC, narrated by Kenneth Branagh, and first aired in the UK in 1999. ... Paul Zindel Paul Zindel (b. ...

Gallery

References

External links

Wikimedia Commons has media related to:

Utahraptor

• Utahraptor in The Dinosaur Encyclopaedia at Dino Russ's Lair

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