During the Triassic period the continents were one supercontinent called Pangea. The Smell of Prey Walking with Dinosaurs in HQ BBC. google_ad_height = 90; The skull and brain were very small for such a large animal . In the 1880s a well-preserved Stegosaurus braincase allowed Othniel Charles Marsh to get a cast of the brain cavity, which gave an idea of the brain size. Stegosaurus typically weighed between 11,700-15,400 lb … Stegosaurus was the largest stegosaur, reaching up to 12 m (39.4 ft) in length and weighing up to 5,000 kg (5.5 short tons). Stegosaurus had a body length of 30’ (9.1 m), a height of 14’ | 4.3 m, and a width of 6' (1.8 m). /* sci images 160 */ A comprehensive reference database of dimensioned drawings documenting the standard measurements and sizes of the everyday objects and spaces that make up our world. The Mesozoic Era is divided into 3 time periods: Triassic (252 to 201 million years ago), Jurassic (201 to 145 million years ago), and Cretaceous (145 to 66 million years ago). Period: Late Jurassic (155-150 million years ago), Drawings include:Stegosaurus side elevation, front, back, plan. Join our monthly newsletter! Triceratops lived in the Late Cretaceous period, around 68 to 65.5 million years ago. Heavily built with short limbs, a small head, and large body, Stegosaurus was a defensive dinosaur that likely foraged for twigs and low hanging fruits. Updated daily. Use our Size Comparison calculator to compare the dimensional properties of Stegosaurus with other related elements from our database. //-->, Science Kids ©  |  Home  |  About  |  Topics  |  Experiments  |  Games  |  Facts  |  Quizzes  |  Projects  |  Lessons  |  Images  |  Videos  |  Privacy  |  Sitemap  |  Updated: Apr 11, 2020. Hi guys. Photo dimensions: 700 x 248 Size based on: S. ungulatus (YPM 1853) - Holtz, Thomas R. Jr. (2012) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages, Winter 2011 Appendix.. S. stenops (USNM 4934) - Galton, Peter. T. Rex lived during the upper Cretaceous Period, around 67 to 65.5 million years ago. The T. Rexwas one of the last species of dinosaurs to exist before mass extinction. They were two of the last species of dinosaurs to exist before mass extinction. google_ad_slot = "6074504248"; A Stegosaurus warding off an Allosaurus attack (Alain Beneteau). ,