File:Trigonias sp. (fossil rhinoceros) (Chadron Formation, Lower Oligocene; Weld County, Colorado, USA) 1 (33451854871).jpg
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Summary
| Description |
Trigonias sp. - fossil rhinoceros skeleton from the Oligocene of Colorado, USA. (public display, Nebraska State Museum of Natural History, Lincoln, Nebraska, USA) From museum signage: "Trigonias appears to be ancestral to the true rhinoceroses. This form was the most common type of rhinoceros in what is now Nebraska and Colorado, 40 million years ago. Although today rhinoceroses live only in the Old World tropics, there were numerous species living in the northern climates during the geologic past. Rhinoceroses became extinct in North America just prior to the Ice Age, approximately 1 million years ago." Classification: Animalia, Chordata, Vertebrata, Mammalia, Placentalia, Perissodactyla, Rhinocerotidae Stratigraphy: Chadron Formation, Lower Oligocene Locality: unrecorded/undisclosed site in Weld County, northern Colorado, USA See info. at: <a href="https://en.wikipedia.org/wiki/Trigonias" rel="nofollow">en.wikipedia.org/wiki/Trigonias</a> |
| Date | |
| Source | Trigonias sp. (fossil rhinoceros) (Chadron Formation, Lower Oligocene; Weld County, Colorado, USA) 1 |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/33451854871. It was reviewed on 4 November 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:36, 4 November 2019 | | 2,346 × 1,418 (3.1 MB) | Ainz Ooal Gown | Transferred from Flickr via #flickr2commons |
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