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Model of a dinosaur egg. Dinosaur reproduction shows correlation with archosaur physiology, with newborns hatching from eggs that were laid in nests. [1] [2] Dinosaurs did not nurture their offspring as mammals typically do, and because dinosaurs did not nurse, it is likely that most dinosaurs were capable of surviving on their own after hatching. [3]
So much is still unknown about dinosaurs, but a fossilized Tyrannosaurus rex bone found in Montana could provide new insights. Skip to main content. 24/7 Help. For premium support please call: ...
Tyrannosaurus rex. Late Cretaceous. Hell Creek Formation. Named after the brother of school teacher Robert Curry, who discovered the fossil [210] Thomas the T. rex: Titus [211] Tyrannosaurus rex: Tristan-Otto Natural History Museum, Berlin. Tyrannosaurus rex. Late Cretaceous. Named after Tristan and Otto, the sons of a Danish-born investment ...
The smallest known Tyrannosaurus rex individual (LACM 28471, the "Jordan theropod") is estimated to have weighed only 29.9 kilograms (66 lb) at only 2 years old, while the largest, such as FMNH PR2081 ("Sue"), most likely weighed about 5,654 kg (12,465 lb), estimated to have been 28 years old, an age which may have been close to the maximum for ...
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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.
Montana's T. rex (also known as "Peck's rex", "Peckrex", "Rigby's rex" and Tyrannosaurus "imperator") is the nickname given to a fossil specimen found in Montana in 1997. [54] The discovery was made by Louis E. Tremblay on 4 July 1997 working under the supervision of J. Keith Rigby Jr. who led the excavation and bone preparation.
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.