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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 ...
A new study suggests Tyrannosaurus rex had giant, full gums and lips that covered much of their teeth — far different from the gnashing jaws we saw in Jurassic Park.
Tyrannosaurus (/ t ɪ ˌ r æ n ə ˈ s ɔː r ə s, t aɪ-/) [a] 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.
The premaxillary teeth at the front of the upper jaw are shaped differently from the rest of the teeth, smaller in size and with a D-shaped cross section. In the lower jaw , a prominent ridge on the surangular bone extends sideways from just below the jaw joint, except in the basal Guanlong .
Victoria is a specimen of the species Tyrannosaurus rex recognized for its well-preserved and nearly complete skeleton, making it the second most complete T. rex finds in recent history. Victoria got her name in the lab in Victoria, British Columbia , where it was studied and restored.
Deinodon (Greek for "terrible tooth") is a dubious tyrannosaurid dinosaur genus containing a single species, Deinodon horridus. D. horridus is known only from a set of teeth found in the Late Cretaceous Judith River Formation of Montana and named by paleontologist Joseph Leidy in 1856. [1]
Tyrannosaurus rex (Tyrant Lizard King) was a 40 ft. long carnivore weighing 10 tons and ruled the Cretaceous period with strong jaws and sharp teeth to tear up to 500 pounds of flesh and bone in a single bite.
The debate about whether Tyrannosaurus was an active predator or a pure scavenger, however, is as old as the debate about its locomotion.Lambe (1917) described a good skeleton of Tyrannosaurus ' s close relative Gorgosaurus and concluded that it and therefore also Tyrannosaurus was a pure scavenger, because the Gorgosaurus teeth showed hardly any wear. [14]