File:Pseudhipparion (small three-toed horse) fossil bone with tooth marks (Ash Hollow Formation, Miocene, 11-12 Ma; Ashfall Fossil Beds, Nebraska, USA).jpg

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English: Pseudhipparion - fossil bone from a small three-toed horse from the Miocene of Nebraska, USA. (public display, Ashfall Fossil Beds State Historical Park, Nebraska, USA)

This Miocene-aged fossil mammal bone is from Ashfall Fossil Beds in Nebraska. The site consists of numerous fossils in a wind-blown deposit of volcanic ash derived from an Idaho volcano.

From exhibit signage:

Bitten Bone

This shoulder blade of a small 3-toed horse has an obvious puncture and has other tooth marks around the edges. It was collected just below the volcanic ash bed. The bite marks are too small to have been made by a beardog, but too large for a fox to make. They do match the teeth of the dog Aelurodon - the most scavenger at the waterhole.

Classification: Animalia, Chordata, Vertebrata, Mammalia, Perissodactyla, Equidae

Stratigraphy: Cap Rock Member, Ash Hollow Formation, Ogallala Group, Miocene, 11-12 Ma

Locality: Ashfall Fossil Beds State Historical Park, northeastern Nebraska, USA

Info. at: en.wikipedia.org/wiki/Pseudhipparion and

en.wikipedia.org/wiki/Ashfall_Fossil_Beds
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Source https://www.flickr.com/photos/47445767@N05/52269931243/
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@N05/52269931243. It was reviewed on 15 November 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

15 November 2022

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current19:13, 12 November 2022Thumbnail for version as of 19:13, 12 November 20222,062 × 878 (1.4 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/52269931243/ with UploadWizard

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