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File:Ankylosaur head - cast - Custer County Montana - Museum of the Rockies - 2013-07-08.jpg Information

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Description
English: An Ankylosaurus head (cast of specimen AMNH 5214), on display at the Museum of the Rockies in Bozeman, Montana. This is from a specimen collected in Custer County, Montana.

The Ankylosauria were armored dinosaurs that lived from 122 million years ago to 66 million years ago in western North America, Europe, and East Asia. There were two subgroups: The Nodosauridae and Ankylosauridae.

The Ankylosauridae contained six species, and a single subfamily -- the Ankylosaurinae. There 18 genus within the subfamily, of which Ankylosaurus is the best known. Ankylosaurus as the last of these, and lived 65.5 to 66.5 million years ago.

Ankylosaurus was about 20.5 feet long, 5 feet wide, and 5.5 feet tall at the hip. It walked on all fours, with the rear legs longer than the front ones. They ripped vegetation, and swallowed it whole. Their defining feature was their armor. They body was covered in thick, heavy bony plates, and most of the plates were fused together to make them even stronger. Embedded in the skin were more knobs of bone, and the outer skin above these knobs covered in keratin (the same stuff fingernails are made of). Ankylosaurus had a tail club, which consisted of several large osteoderms fused to the last few tail vertebrae.

Ankylosaurus was discovered in 1908.
Date
Source https://www.flickr.com/photos/23165290@N00/9336678044/
Author Tim Evanson

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Checked copyright icon.svg This image was originally posted to Flickr by Tim Evanson at https://www.flickr.com/photos/23165290@N00/9336678044. 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.

6 August 2013

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Ankylosaurus head

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author name string: Tim Evanson

8 July 2013

0.03333333333333333333 second

22 millimetre

3,200

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Date/TimeThumbnailDimensionsUserComment
current 05:07, 8 July 2015 Thumbnail for version as of 05:07, 8 July 20152,100 × 1,840 (3.73 MB)FunkMonkMade details more visible.
19:10, 6 August 2013 Thumbnail for version as of 19:10, 6 August 20132,100 × 1,840 (3.17 MB)Tim1965{{Information |Description ={{en|1=An Ankylosaurus head (cast), on display at the Museum of the Rockies in Bozeman, Montana. This is from a specimen collected in Custer County, Montana. The Ankylosauria were armored dinosaurs that lived from 122 m...
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