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Tyrannosaurus (/ t ɪ ˌ r æ n ə ˈ s ɔː r ə s, t aɪ-/) is a genus of large theropod dinosaur. The type species Tyrannosaurus rex (rex meaning "king" in Latin), often shortened to T. rex or colloquially T-Rex, is one of the best represented theropods.
- Tyrannasorus Rex
Tyrannasorus rex is an extinct species of hybosorid beetle...
- T. Rex (Disambiguation)
T. Rex (band), a 1970s glam rock band (previously...
- Tyrannosauridae
Tyrannosauridae (or tyrannosaurids, meaning " tyrant...
- Tyrannasorus Rex
- Size
- Skull
- First Discovery
- Jane
- Scotty
- In Popular Culture
- Related Pages
The estimated size of this dinosaur has changed many times. Packard and colleagues tested dinosaur mass calculations on elephants. They decided that dinosaur estimations are flawed and produce results which were too high. Thus, the weight of Tyrannosauruscould be much less than usually estimated. Although other theropods rivalled or exceeded Tyrann...
The largest known Tyrannosaurus rex skulls measure up to 5 feet (1.5 m) in length. Large openings ('fenestrae') in the skull reduced weight and gave places for muscle attachment, as in all carnivorous theropods. But in other respects Tyrannosaurus's skull was significantly different from those of large non-tyrannosaurid theropods. It was extremely ...
The earliest Tyrannosaurus skeletons were found in 1902 by Barnum Brown. Henry Fairfield Osborn, president of the American Museum of Natural History, named the species Tyrannosaurus rex (meaning "tyrant lizard king") in 1905. The most complete skeleton was found in 1990 in South Dakota and named "Sue" after its finder, Susan Hendrickson. Several ty...
Jane is a fossil specimen of a small tyrannosaurid. It is either Nanotyrannus or a juvenile Tyrannosaurus. The skeleton was found in the Hell Creek Formation in southern Montanain 2001. It took experts four years to make the partial skeleton ready for a museum. Jane went on display at Rockford, Illinois in the Burpee Museum of Natural History. Some...
In August 1991, Robert Gebhardt was a high school principal. He joined Royal Saskatchewan Museum palaeontologists on a prospecting expedition. They went to the exposed bedrock along the Frenchman River Valley in southwest Saskatchewan, Canada. Gebhardt discovered the base of a worn tooth, and a vertebra from the tail. Both looked like they belonged...
Tyrannosaurus rex appears in many works of fiction and literature. A T. rex is important in A Sound of Thunder by Ray Bradbury. A T. rex is a big part of the novel Jurassic Park by Michael Crichton, and Steven Spielberg's crew built a life-sized robot T. rex and a CGI T. rex for the movie version of Jurassic Park. Many other T. rexes have appeared ...
Tyrannosauridae (or tyrannosaurids, meaning " tyrant lizards") is a family of coelurosaurian theropod dinosaurs that comprises two subfamilies containing up to thirteen genera, including the eponymous Tyrannosaurus. The exact number of genera is controversial, with some experts recognizing as few as three.
Get facts about Tyrannosaurus rex, a large, meat-eating theropod dinosaur. T. rex lived in the Cretaceous Period. Find out more in our Dino Directory.
Learn about the "king of the tyrant lizards," a ferocious carnivore that dominated the Cretaceous period. Discover how T. rex lived, hunted, grew, and went extinct.
May 16, 2024 · Tyrannosaurus rex is the best-known and largest member of a group of theropod dinosaurs called tyrannosaurs; its scientific name is Latin for “king of the tyrant lizards.” Since 1902 paleontologists have recognized the T. rex as the only formal member of the genus Tyrannosaurus.
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Learn about tyrannosaurs, a group of predatory dinosaurs that lived from the late Jurassic to the end of the Cretaceous Period. Find out how they evolved, what they looked like, and how they hunted and fed.
