Brachiosaurus

Brachiosaurus is a genus of sauropod dinosaur known from the Late Jurassic of North America. Its forelimbs were longer than its hind limbs, giving its body a distinctive upward-sloping profile.

Sauropoda: Sauropoda is the dinosaur group of long-necked, long-tailed, usually quadrupedal herbivores. Brachiosaurus belongs to this group of giant, long-necked dinosaurs.
Brachiosaurus altithorax: Brachiosaurus altithorax is the type species of Brachiosaurus, known from Late Jurassic fossils in western North America. It is the species represented by the genus’s defining fossils.
Apatosaurus: Apatosaurus is a large Late Jurassic sauropod genus from western North America, with a heavier build and shorter neck than Brachiosaurus. Its proportions contrast with Brachiosaurus’s longer forelimbs and elevated shoulders.
Elmer S. Riggs: Elmer S. Riggs was an American paleontologist who named Brachiosaurus in 1903. Riggs described the genus from fossils collected in Colorado.
Brachiosauridae: Brachiosauridae is a family of sauropod dinosaurs with distinctive limb and skull proportions. Brachiosaurus is the family’s namesake genus.
Brachiosaurus holotype: The Brachiosaurus holotype is the partial skeleton catalogued as FMNH P 25107, discovered in Colorado. This specimen anchors the name and anatomical diagnosis of Brachiosaurus.
Diplodocus: Diplodocus is a Late Jurassic sauropod genus known for its exceptionally long, slender body and whip-like tail. Its low-slung body contrasts with Brachiosaurus’s high-shouldered profile.
Field Museum expedition: The Field Museum expedition of 1900 collected dinosaur fossils in the western United States. Its Colorado work recovered the Brachiosaurus type specimen.
Giraffatitan: Giraffatitan is a Late Jurassic sauropod genus from Tanzania, once classified as Brachiosaurus brancai. Its former classification as a Brachiosaurus species shaped comparisons between the genera.
Morrison Formation: The Morrison Formation is a sequence of Late Jurassic rocks in the western United States rich in dinosaur fossils. Brachiosaurus fossils occur in this formation’s deposits.

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