Amphicoelias
Amphicoelias was a genus of sauropod dinosaur,
| Amphicoelias | |
|---|---|
|  | |
| Holotype vertebrae of A. altus, AMNH 5764 | |
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Archosauria | 
| Clade: | Dinosauria | 
| Clade: | Saurischia | 
| Suborder: | †Sauropodomorpha | 
| Clade: | †Sauropoda | 
| Family: | †Diplodocidae | 
| Genus: | †Amphicoelias Cope, 1878 | 
| Species: | †A. altus | 
| Binomial name | |
| Amphicoelias altus Cope, 1878 | |
The fossil was found in the Morrison Formation.[1] 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
    
- Foster J. 2007. Appendix in Jurassic West: the dinosaurs of the Morrison Formation and their world. Indiana University Press. pp. 327–329.
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