File:Dinosaur footprint (Navajo Sandstone, Lower Jurassic; Buckhorn Wash, San Rafael Swell, Utah, USA).jpg

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English: Dinosaur footprint from the Jurassic of Utah, USA. (replica; public display, Cleveland-Lloyd Dinosaur Quarry, Utah, USA)

Trace fossils are any indirect evidence of ancient life. They refer to features in rocks that do not represent parts of the body of a once-living organism. Traces include footprints, tracks, trails, burrows, borings, and bitemarks. Body fossils provide information about the morphology of ancient organisms, while trace fossils provide information about the behavior of ancient life forms. Interpreting trace fossils and determination of the identity of a trace maker can be straightforward (for example, a dinosaur footprint represents walking behavior) or not. Sediments that have trace fossils are said to be bioturbated. Burrowed textures in sedimentary rocks are referred to as bioturbation. Trace fossils have scientific names assigned to them, in the same style & manner as living organisms or body fossils.

Stratigraphy: supposedly the Navajo Sandstone, Lower Jurassic

Locality: attributed to Buckhorn Wash (= Buckhorn Draw), San Rafael Swell, Emery County, east-central Utah, USA
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Source https://www.flickr.com/photos/47445767@N05/49858485927/
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/49858485927. It was reviewed on 29 November 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

29 November 2022

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current16:34, 29 November 2022Thumbnail for version as of 16:34, 29 November 20221,937 × 2,532 (3.25 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/49858485927/ with UploadWizard

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