File:Tenontosaurus left mandible - Carbon County Montana - Museum of the Rockies - 2013-07-08.jpg
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| Description |
English: Fossil left mandible (lower jaw) of a Tenontosaurus, on display in the Museum of the Rockies in Bozeman, Montana. This specimen was collected in Carbon County, Montana.
Tenontosaurus (the "sinewy lizard") is a primitive Iguanodont that lived in western North America about 115 to 108 million years ago. Fossils were first discovered in Big Horn County, Montana, in 1903. Tenontosaurus was about 21 to 26 feet long and 10 feet high when it stood upright. (It usually traveled on all fours, however.) It weighed aboout one to two tons. Its tail was unusually long and broad, and the tail and the back was stiffened with a network of bony tendons (hence the name). Tenontosaurus was incredibly common. Note how the teeth rotate upward into position to replace older, worn teeth. |
| Date | |
| Source | https://www.flickr.com/photos/23165290@N00/9322402795/ |
| Author | Tim Evanson |
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This image was originally posted to Flickr by Tim Evanson at https://www.flickr.com/photos/23165290@N00/9322402795. It was reviewed on 6 August 2013 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 18:05, 6 August 2013 | | 2,500 × 1,365 (2.51 MB) | Tim1965 (talk | contribs) | {{Information |Description ={{en|1=Fossil left mandible (lower jaw) of a Tenontosaurus, on display in the Museum of the Rockies in Bozeman, Montana. This specimen was collected in Carbon County, Montana. Tenontosaurus (the "sinewy lizard") is a pri... |
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