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Thyreophora ("shield bearers", often known simply as "armored dinosaurs") is a group of armored ornithischian dinosaurs that lived from the Early Jurassic until the end of the Cretaceous. Thyreophorans are characterized by the presence of body armor lined up in longitudinal rows along the body.
Like all sauropods, Nigersaurus was a quadruped with a small head, thick hind legs, and a prominent tail. Among that clade, Nigersaurus was fairly small, with a body length of only 9 m (30 ft) and a femur reaching only 1 m (3 ft 3 in); it may have weighed around 1.9–4 t (2.1–4.4 short tons), comparable to a modern elephant.
Saurischia (/ s ɔː ˈ r ɪ s k i ə / saw-RIS-kee-ə, meaning "reptile-hipped" from the Greek sauros (σαῦρος) meaning 'lizard' and ischion (ἴσχιον) meaning 'hip joint') [3] is one of the two basic divisions of dinosaurs (the other being Ornithischia), classified by their hip structure.
Prehistoric Planet is a British–American nature documentary television series about dinosaurs, that premiered on Apple TV+ beginning May 23, 2022. It is produced by the BBC Studios Natural History Unit, with Jon Favreau as showrunner, visual effects by The Moving Picture Company, and narration by natural historian Sir David Attenborough. [1]
Walking with Cavemen follows the previous series Walking with Dinosaurs (1999) and Walking with Beasts (2001) in showcasing prehistoric life in a nature documentary style. . Beginning in Ethiopia 3.2 million years ago, Walking with Cavemen follows the story of human evolution through exploring key developments on the path from Australopithecus afarensis to modern hu
While the dinosaurs' modern-day surviving avian lineage (birds) are generally small due to the constraints of flight, many prehistoric dinosaurs (non-avian and avian) were large-bodied—the largest sauropod dinosaurs are estimated to have reached lengths of 39.7 meters (130 feet) and heights of 18 m (59 ft) and were the largest land animals of ...
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The physiology of dinosaurs has historically been a controversial subject, particularly their thermoregulation.Recently, many new lines of evidence have been brought to bear on dinosaur physiology generally, including not only metabolic systems and thermoregulation, but on respiratory and cardiovascular systems as well.