Temporal range: Upper Jurassic
|Holotype vertebrae of A. altus, AMNH 5764|
Amphicoelias was a genus of sauropod dinosaur,
The fossil was found in the Morrison Formation. It lived about 150 million years ago during the Upper Jurassic of what is now Colorado.
A herbivore, Amphicoelias was moderately sized at about 25 m (82 ft) long–roughly the same length as Diplodocus, to which it was related.
References[change | change source]
- ↑ Foster J. 2007. Appendix in Jurassic West: the dinosaurs of the Morrison Formation and their world. Indiana University Press. pp. 327–329.