Its whole body was covered in scutes and bony armour, like a bullet-proof vest. [27], According to Carpenter, the shape of the nasal chambers of Ankylosaurus indicate that airflow was unidirectional (looping through the lungs during inhalation and exhalation), although it may also have been bidirectional in the posterior nasal chamber, with air directed past the olfactory lobes. [39][40][41] The regions where Ankylosaurus and other Late Cretaceous ankylosaurs have been found had a warm subtropical/temperate climate, which was monsoonal, had occasional rainfall, tropical storms, and forest fires. It had a wide, low skull, with two horns pointing backward from the back of the head, and two horns below these that pointed backward and down. Carpenter noted that Ankylosaurus has become the archetypal member of its group, and the best-known ankylosaur in popular culture, perhaps due to a life-sized reconstruction of the animal being featured at the 1964 World's Fair in New York City. The deo may not collect obsidian any more but this animal collects tons of it. Ankylosaurus was a large and cumbersome four-legged dinosaur with plates of armour from end to end (even on its eyelids) and a thunderous mace-like tail. This explains a 30-million-year gap in the fossil record of North American ankylosaurids between these ages. [42] Ankylosaurus shared its environment with other dinosaurs that included the ceratopsids Triceratops and Torosaurus, the hypsilophodont Thescelosaurus, the hadrosaurid Edmontosaurus, an indeterminate nodosaur, the pachycephalosaurian Pachycephalosaurus, and the theropods Struthiomimus, Ornithomimus, Pectinodon, and Tyrannosaurus. Assuming it was endothermic, Ankylosaurus would have eaten 60 kilograms (130 pounds) of ferns per day, similar to the amount of dry vegetation a large elephant would consume. [10] Like other ankylosaurs, Ankylosaurus had small, phylliform (leaf-shaped) teeth, which were compressed sideways. There may have been four longitudinal rows of osteoderms on the flanks. Although it lived alongside a nodosaurid ankylosaur, their ranges and ecological niches do not appear to have overlapped, and Ankylosaurus may have inhabited upland areas. Weight: 13,000 Pounds (6 .5 Tons) Location: North America (Montana & Canada) Time: Late Cretaceous Period. Named by Barnum Brown in 1908, the only species classified in the genus is A. magniventris. Number of Variants. [30] On the skull, the middle bone plates first ossified at the snout and the rear rim, with ossification gradually extending towards the middle regions. The Ankylosaurus is a species of armored dinosaur, living during the end of the Cretaceous Period in western North America. Diet: Herbivore; Height: 5 meters (16-17 feet) Length: 22-27 meters (75-90 feet) (Film canon) Weight: 20-36 tons (40,000-72,000 lbs) Baryonyx. Recently, paleontologists examining the growth history of Tyrannosaurus Rex, by examining various fossil specimens at various growth stages, concluded that this fierce predator grew much more quickly than was previously believed, putting on as many as two tons per year during its teenaged spurt. He believed the width of this armor belt was too wide to have fitted solely on the neck, and that it covered the base of the neck and continued onto the shoulder region. [10], The cervical vertebrae had broad neural spines that increased in height towards the body. Reconstructions of the inner ear suggest adaptation to hearing at low frequencies, such as the low-toned resonant sounds possibly produced by the nasal passages. The front part of the jaws was covered in a beak, with rows of small, leaf-shaped teeth farther behind it. Arbour and the Canadian paleontologist Philip J. Currie disagreed with Carpenter's interpretation in 2015 and pointed out that the cervical half-ring fragments of the holotype specimen did not fit together in the way proposed by Carpenter (though this could be due to breakage). Though other members of Ankylosauria are represented by more extensive fossil material, Ankylosaurus is often considered the archetypal member of its group, despite having some unusual features. MEANING - Fused Lizard. Some other fun facts: Size: 25-35 feet long and 4 feet tall Diet: Herbivore Weight: 3-4 tons 1 History 1.1 Dinosaur Expiditon Born Free 1.1.1 Trivia 2 Data TBA Despite being a herbivore, the Ankylosaurus in Born Free has sharp teeth. Description of Ankylosaurus Dinosaur. [10] In 1982 Carpenter ascribed to baby Ankylosaurus two very small teeth that originate from the Lance and Hell Creek Formations and measure 3.2 to 3.3 mm (1⁄8 to 17⁄128 in) in length, respectively. The same weight as a fully matured African bull elephant. [10], In 1969 Austrian paleontologist Georg Haas concluded that despite the large size of ankylosaur skulls, the associated musculature was relatively weak. Unlike other ankylosaurs, its nostrils faced sideways rather than towards the front. The only way to wound it was to flip it over because its underside was the only part of it that wasn't plated.
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