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Brachiosaurus (/ ˌ b r æ k i ə ˈ s ɔː r ə s /) is a genus of sauropod dinosaur that lived in North America during the Late Jurassic, about 154 to 150 million years ago. [1] It was first described by American paleontologist Elmer S. Riggs in 1903 from fossils found in the Colorado River valley in western Colorado, United States.
Giraffatitan (name meaning "titanic giraffe ") is a genus of sauropod dinosaur that lived during the late Jurassic Period (Kimmeridgian – Tithonian stages) in what is now Lindi Region, Tanzania. Only one species is known, G. brancai, named in honor of German paleontologist Wilhelm von Branca, who was a driving force behind the expedition that ...
Sauropod neck posture is a subject occasionally debated among scientists, with some favoring postures closer to horizontal whilst others a more upright posture. Research has looked at various avenues of evidence and analysis including: attempting to reconstruct the neutral posture of their necks and estimating range of motion by studying the ...
Classification of dinosaurs. Dinosaur classification began in 1842 when Sir Richard Owen placed Iguanodon, Megalosaurus, and Hylaeosaurus in "a distinct tribe or suborder of Saurian Reptiles, for which I would propose the name of Dinosauria." [1] In 1887 and 1888 Harry Seeley divided dinosaurs into the two orders Saurischia and Ornithischia ...
Instead, the submerged lizard crouches on a river rock, a small air bubble atop its head expanding like a balloon and then shrinking. Like a scuba diver, the reptile is breathing a reservoir of ...
Cultural depictions of dinosaurs. Models recreating a fight between Triceratops and Tyrannosaurus rex. Epic battles that might have occurred are a popular theme. A big model of Brachiosaurus in Rishon LeZion 's Cinema City, Israel. Cultural depictions of dinosaurs have been numerous since the word dinosaur was coined in 1842.
Lusotitan was a large sauropod, reaching 21 m (69 ft) in length and 30 tonnes (33 short tons) in body mass. [6] It had long forearms with the humerus and femur measuring 2.05 m (6.7 ft) and 2 m (6.6 ft) in length, respectively. [7]
Science fair. A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science ...