Amphicoelias
Amphicoelias is an extinct genus of sauropod dinosaur.
| Amphicoelias | |
|---|---|
| |
| Holotype vertebrae of A. altus, AMNH 5764 | |
Scientific classification 
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| Unrecognized taxon (fix): | Bagualosauria |
| Family: | Diplodocidae |
| Genus: | Amphicoelias Cope, 1878 |
| Species: | A. altus
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| 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.
Amphicoelias Media
E.D. Cope's original sketch of Amphicoelias altus as an "amphibious lizard", c. 1897
1897 restoration of aquatic A. altus, by Charles R. Knight, based on Cope's original.
Three skeletons informally assigned to "A. brontodiplodocus" in 2010, now labelled as diplodocids in Lee Kong Chian Natural History Museum, Singapore
Restoration of A. altus
Skeletal mount of potentially closely related Brontosaurus excelsus holotype YPM 1980
Paleoenvironment restoration of a young diplodocid feeding on ferns
References
- ↑ Foster J. 2007. Appendix in Jurassic West: the dinosaurs of the Morrison Formation and their world. Indiana University Press. pp. 327–329.