File:Ankylosaur head - cast - Custer County Montana - Museum of the Rockies - 2013-07-08.jpg
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[edit]DescriptionAnkylosaur head - cast - Custer County Montana - Museum of the Rockies - 2013-07-08.jpg |
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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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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:07, 8 July 2015 | 2,100 × 1,840 (3.73 MB) | FunkMonk (talk | contribs) | Made details more visible. | |
19:10, 6 August 2013 | 2,100 × 1,840 (3.17 MB) | Tim1965 (talk | contribs) | {{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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F-number | f/3.8 |
ISO speed rating | 3,200 |
Date and time of data generation | 15:48, 8 July 2013 |
Lens focal length | 22 mm |
Orientation | Normal |
Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 07:06, 8 July 2015 |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 15:48, 8 July 2013 |
APEX shutter speed | 4.906891 |
APEX aperture | 3.851999 |
APEX exposure bias | 0 |
Maximum land aperture | 3.9 APEX (f/3.86) |
Subject distance | 1.41 meters |
Metering mode | Pattern |
Light source | Unknown |
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DateTime subseconds | 60 |
DateTimeOriginal subseconds | 60 |
DateTimeDigitized subseconds | 60 |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
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Scene control | High gain up |
Contrast | Normal |
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Serial number of camera | 3563291 |
Lens used | 18.0-55.0 mm f/3.5-5.6 |
Image width | 2,100 px |
Image height | 1,840 px |
Rating (out of 5) | 0 |
Date metadata was last modified | 09:06, 8 July 2015 |
Unique ID of original document | 8A26550CFA6109B37B94FB4BEFE11674 |