Dinosaur: Amphicoelias altus
Jurassic: 149.2–145 Ma
| Length*: | 25 m | 82.0 ft |
| Weight*: | 26 tons | 57,320 lb |
*The largest known specimen
Period
Epoch: Late Jurassic
Stage: Early Tithonian
Years: 149.2–145 Ma
Details
Status: nomen dubium
Author: Cope
Year: 1877
Distribution
Area: North America
Country: USA
Region: Colorado
Formation: Morrison
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.
Locations
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