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Summary

Description

Coelophysis bauri (Cope, 1887) theropod dinosaur from the Triassic of New Mexico, USA.

This is a remarkable complete skeleton of the small early theropod Coelophysis. It comes from a nearly monospecific concentration of numerous complete to disarticulated skeletons in reddish-colored fluvial siltstones, often called a "Coelophysis graveyard". This occurrence has been interpreted as a carcass-jammed channel filling following mass mortality of dinosaurs by regional drought (see Schwartz & Gillette, 1994).

Stratigraphy: Rock Point Member, Chinle Formation, Upper Triassic

Locality: Whitaker Quarry (Coelophysis Quarry), Ghost Ranch, Rio Arriba County, northern New Mexico, USA

Some info. from:

Hunt, A.P. & S.G. Lucas. 1991. Rioarribasaurus, a new name for a Late Triassic dinosaur from New Mexico (USA). Paläontologische Zeitschrift 65: 191-198.

Schwartz, H.L. & D.D. Gillette. 1994. Geology and taphonomy of the Coelophysis Quarry, Upper Triassic Chinle Formation, Ghost Ranch, New Mexico. Journal of Paleontology 68: 1118-1130.

Theropod were small to large, bipedal dinosaurs. Almost all known members of the group were carnivorous (predators and/or scavengers). They represent the ancestral group to the birds, and some theropods are known to have had feathers. Some of the most well known dinosaurs to the general public are theropods, such as Tyrannosaurus, Allosaurus, and Spinosaurus.
Date
Source Coelophysis bauri theropod dinosaur (Chinle Formation, Upper Triassic; Coelophysis Quarry, Ghost Ranch, Rio Arriba County, northern New Mexico, USA) 1
Author James St. John

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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/15373388721. It was reviewed on 29 September 2014 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

29 September 2014

Captions

Coelophysis bauri

Items portrayed in this file

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Coelophysis bauri

inception

15 August 2009

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Date/TimeThumbnailDimensionsUserComment
current16:53, 29 September 2014Thumbnail for version as of 16:53, 29 September 20142,814 × 1,447 (1.96 MB)Cropbotupload cropped version, operated by User:FunkMonk. Summary: cropped
12:38, 29 September 2014Thumbnail for version as of 12:38, 29 September 20142,814 × 1,463 (1.84 MB)FunkMonkTransferred from Flickr via Flickr2commons

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