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The autopodium itself is subdivided into three segments: the carpalia (forelimb) or tarsalia (hind limb) form the basipodium; the metacarpalia (forelimb) or metatarsalia (hind limb) the metapodium; and the phalanges of the digits the acropodium. [70]: 18 An aberrant terminology was proposed by Günter Wagner and Chi-Hua Chiu in 2001.
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.
Skull drawing of the lectotype: Scolosaurus cutleri: NHMUK R.5161 [132] Natural History Museum, London: Campanian: Lower Dinosaur Park Formation, Alberta [132] Mostly complete skeleton missing two limbs and the end of the tail with preserved skin impressions [174] Type species of Scolosaurus [174] The holotype shown from above: Scolosaurus ...
Charles Robert Knight (October 21, 1874 – April 15, 1953) was an American wildlife and paleoartist best known for his detailed paintings of dinosaurs and other prehistoric animals.
The forearms of Tyrannosaurus were not well documented and the hands were unknown, so for the sake of the display, the forearms of AMNH 5027 were given three fingers, based on the forelimbs of Allosaurus (the more allosaur-like arms were replaced several years later when better fossils of tyrannosaurid arms were found).
Tyrannosaurus: Previously known as the Mud Butte Tyrannosaur Chomper MOR 6625 Museum of the Rockies: Tyrannosaurus: Juvenile skull, named for initial find of small lower jaw fragment. Cast of Chomper in Berkeley Square: C-rex MOR 1126 Museum of the Rockies: Tyrannosaurus rex: Cupcake Tyrannosaurus: Custer MOR-008 Museum of the Rockies ...
The debate about whether Tyrannosaurus was a predator or a pure scavenger 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 ' s teeth showed hardly any wear. [126]
Dinosaurs stand with their hind limbs erect in a manner similar to most modern mammals, but distinct from most other reptiles, whose limbs sprawl out to either side. [35] This posture is due to the development of a laterally facing recess in the pelvis (usually an open socket) and a corresponding inwardly facing distinct head on the femur. [36]