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With a length of 12.1-12.2 meters, AMNH 5027 was discovered and excavated in 1908 by Barnum Brown in Montana, and described by Osborn in 1912 and 1916. At the time of discovery, a complete cervical (neck vertebrae) series for Tyrannosaurus was not previously known, so it was this specimen that brought the short, stocky tyrannosaur neck to light.
Tyrannosaurus: AMNH 5027: American Museum of Natural History: New York: New York: USA: Skeleton, mounted (copy) Tyrannosaurus: AMNH 5027 (copy) Denver Museum of Nature and Science: Denver: Colorado: USA: Skeleton, mounted (copy) Tyrannosaurus: AMNH 5027 (copy) Academy of Natural Sciences of Drexel University: Philadelphia: Pennsylvania: USA ...
The inferred sclerotic ring for the Stan specimen is ~7 cm (2.8 in) in diameter with an internal aperture diameter of ~3.5 cm (1.4 in). Based on eye proportions in living reptiles, this implies a pupil diameter of about 2.5 cm (0.98 in), an iris diameter about that of the sclerotic ring, and an eyeball diameter of 11–12 cm (4.3–4.7 in).
With the possible exception of Raptorex, [17] it is widely assumed that the Asian specimens are early growth stages of Tarbosaurus, [18] [19] [20] whereas the North American specimens are those of Tyrannosaurus. [21] [22] Skeletal diagrams showing holotype remains of Lythronax (A) and a Teratophoneus specimen (B). N–P show selected bones of ...
Tyrannosaurus: Jane: BMRP 2002.4.1 Burpee Museum of Natural History: Tyrannosaurus rex: Late Cretaceous: Judith River: 11-year old skeleton of a tyrannosaurid, named after Burpee Museum benefactor Jane Solem. Jane the T. rex: Jordan Theropod LACM 28471 Natural History Museum of Los Angeles County. Tyrannosaurus rex [189] Late Cretaceous. Hell ...
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Skeletal mount of the Tyrannosaurus holotype.. This timeline of tyrannosaur research is a chronological listing of events in the history of paleontology focused on the tyrannosaurs, a group of predatory theropod dinosaurs that began as small, long-armed bird-like creatures with elaborate cranial ornamentation but achieved apex predator status during the Late Cretaceous as their arms shrank and ...
The largest species was Tyrannosaurus rex, the most massive known terrestrial predator, which measured over 13 metres (43 ft) in length [2] and according to most modern estimates up to 8.87 metric tons (9.78 short tons) in weight. [3] [4] Tyrannosaurids were bipedal carnivores with massive skulls filled with large teeth. Despite their large ...