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Estimated size compared to a human. Zhuchengtyrannus was a large carnivorous theropod, and the holotype has been estimated to have been "similar in size and gross morphology to Tarbosaurus", [1] which is about 11 metres (36 ft) in body length and 5 metric tons (5.5 short tons) in body mass.
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. It lived throughout what is now western North America, on what was then an island continent known as Laramidia. Tyrannosaurus had a much wider range than other tyrannosaurids.
A Tyrannosaurus Rex named Rex is the main character and narrator. Other dinosaurs included in the book are a Triceratops, a Saurolophus, an Apatosaurus, a Stegosaurus, and a Dryosaurus, with the only exception being the Pteranodon, a pterosaur. A sequel book was later published, Going Hollywood!
Tyrannosauroidea (meaning 'tyrant lizard forms') is a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives.
This clade was defined by Sereno (1999) as "Tyrannosaurus rex, Passer domesticus (the house sparrow), their last common ancestor, and all of its descendants". [18] As tyrannosauroids are considered to be the most basal large group within Coelurosauria, this means that the common ancestor of tyrannosauroids and birds was an even more basal ...
Initially, Nanuqsaurus was estimated to have been about 5–6 meters (16–20 ft) long, a metric based on the holotype specimen, putting the animal at about half the length of Tyrannosaurus rex. [5] [6] [7] The length of the same specimen's reconstructed skull, based on the proportions of related animals, was 60–70 cm (24–28 in). [3]
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 ...
Titus is an obsidian black skeleton of a Tyrannosaurus rex discovered in the Hell Creek Formation, Montana, United States in 2014 and excavated in 2018. [ 1 ] Titus was on display as the centrepiece of an exhibition at the Nottingham Natural History Museum , England, from July 2021 to August 2022. [ 2 ]
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