Apatosaurus

Apatosaurus is a genus of large sauropod dinosaurs from Late Jurassic North America, known for its massive body, long neck, and whip-like tail.

Sauropoda: Sauropoda is a dinosaur group whose members generally had long necks, small heads, and four pillar-like limbs. Apatosaurus belongs to this group of giant, long-necked herbivores.
Sauropod gigantism: Sauropod gigantism is the evolution of exceptionally large body size in sauropod dinosaurs. Apatosaurus's great size reflects the distinctive biology of giant sauropods.
Othniel Charles Marsh: Othniel Charles Marsh was an American paleontologist who described many western North American fossil vertebrates. Marsh named Apatosaurus in 1877 during the intense fossil hunt known as the Bone Wars.
Carnegie Quarry: Carnegie Quarry is a dinosaur-rich fossil site in Utah's Dinosaur National Monument. Its excavations yielded important Apatosaurus material alongside other Morrison Formation dinosaurs.
Diplodocidae: Diplodocidae is a family of sauropod dinosaurs with elongated necks and tails. Apatosaurus is a diplodocid, sharing the family's distinctive body plan.
Herbivory: Herbivory is a feeding strategy based primarily on consuming plants. Apatosaurus sustained its large body by eating plant matter.
Bone Wars: The Bone Wars were a late nineteenth-century rivalry between paleontologists Othniel Charles Marsh and Edward Drinker Cope. The rivalry drove rapid discoveries and naming of Jurassic dinosaurs, including Apatosaurus.
Dinosaur National Monument: Dinosaur National Monument is a protected fossil and landscape site in Utah and Colorado. Its fossil beds preserve remains that help document Apatosaurus and its ecosystem.
Apatosaurus louisae: Apatosaurus louisae is a species of Apatosaurus known from fossils in the western United States. This named species anchors much of the genus's anatomical study.
Gastrolith: A gastrolith is a stone swallowed by an animal and retained in its digestive tract. Stones found with some sauropod fossils prompted debate about their role in digestion.

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