AnchisauriaDinosauriaDiplodocoideaEusaurischiaEusauropodaGravisauriaLate JurassicMassopodaNeosauropodaNorth AmericaPlateosauriaSaurischiaSauropodaSauropodiformesSauropodomorpha

Amphicoelias altus

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Dinosaur: Amphicoelias altus

Jurassic: 149.2–145 Ma
Type: Sauropod

Length*:25 m82.0 ft
Weight*:26 t57,320 lb
ESR: 2 / 4 (estimated size reliability)
*The largest known specimen



Locations


Sources

Material: Two dorsal vertebrae, pubis, femur. Referred tooth ?, scapula ?, coracoid ?, and ulna ?
References: Philip D. Mannion, Emanuel Tschopp and John A. Whitlock (2021) Anatomy and systematics of the diplodocoid Amphicoelias altus supports high sauropod dinosaur diversity in the Upper Jurassic Morrison Formation of the USA.

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