File:Knightia eocaena (fossil fish) (Green River Formation, Lower Eocene; southwestern Wyoming, USA) 1 (32941430804).jpg

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Knightia eocaena (Jordan, 1907) - fossil fish in lacustrine marlstone from the Eocene of Wyoming, USA. (CMC VP5183, Cincinnati Museum of Natural History & Science, Cincinnati, Ohio, USA)

Also known as Knightia humilis.

The Green River Formation of Utah-Colorado-Wyoming is famous for having vast oil shale deposits and for having exquisitely-preserved fossils. Fossil Butte National Monument in southwestern Wyoming preserves and displays some of these high-quality fossils. Leaves and fish are the most common large fossils in the Fossil Lake Basin of the Green River Fm.

This fossil is Knightia, a fossil herring and the most common fish in the Green River Formation.

Classification: Animalia, Chordata, Vertebrata, Actinopterygii, Clupeiformes, Clupeidae

Stratigraphy: Eighteen Inch Layer, Fossil Butte Member, Green River Formation, upper Wasatchian Stage (Wa4)/Ypresian Stage/Lostcabinian, Lower Eocene

Locality: Fossil Lake Basin, southwestern Wyoming, USA

See info. at: <a href="https://en.wikipedia.org/wiki/Knightia" rel="nofollow">en.wikipedia.org/wiki/Knightia</a> and

<a href="https://en.wikipedia.org/wiki/Green_River_Formation" rel="nofollow">en.wikipedia.org/wiki/Green_River_Formation</a>
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Source Knightia eocaena (fossil fish) (Green River Formation, Lower Eocene; southwestern Wyoming, 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@N05/32941430804 (archive). It was reviewed on 15 January 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

15 January 2019

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current09:15, 15 January 2019Thumbnail for version as of 09:15, 15 January 20192,708 × 1,136 (2.6 MB)Animalparty (talk | contribs)Transferred from Flickr via #flickr2commons

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