File:Palaeocastor magnus (fossil beaver) (Harrison Formation, Middle Miocene; Sioux County, Nebraska, USA) 3 (33477757176).jpg

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Palaeocastor magnus Romer & McCormack, 1928 - fossil beaver skeleton from the Miocene of Nebraska, USA. (public display, Nebraska State Museum of Natural History, Lincoln, Nebraska, USA)

Orientation - the skull is at the lower left. The elongated black structures there are incisor teeth.

From museum signage:

A skeleton of a fossil beaver, Palaeocastor fossor magnus, exposed in the original matrix in its nest. The enlarged front feet and claws indicate that these beavers were well adapted for burrowing. Note the casts of the claw marks on the tall spiral to the left, and on the Daemonelix fragment at the base of the spiral.

Classification: Animalia, Chordata, Vertebrata, Mammalia, Rodentia, Castoridae

Locality: unspecified in museum signage, but implied to be from Sioux County, northwestern Nebraska, USA

See info. at:

<a href="https://en.wikipedia.org/wiki/Palaeocastor" rel="nofollow">en.wikipedia.org/wiki/Palaeocastor</a>
Date
Source Palaeocastor magnus (fossil beaver) (Harrison Formation, Middle Miocene; Sioux County, Nebraska, USA) 3
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@N05/33477757176 (archive). 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.

4 November 2019

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current14:48, 4 November 2019Thumbnail for version as of 14:48, 4 November 20192,508 × 1,580 (3.65 MB)Ainz Ooal Gown (talk | contribs)Transferred from Flickr via #flickr2commons

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