Lower Chinle Group (Upper Triassic:upper Carnian) tetrapods from the vicinity of Cameron, Arizona

ASU Author/Contributor (non-ASU co-authors, if there are any, appear on document)
Andrew B. Heckert Ph.D., Professor (Creator)
Appalachian State University (ASU )
Web Site: https://library.appstate.edu/

Abstract: Vertebrate fossils from the lower Chinle Group housed at the Museum of Northern Arizona (MNA) represent some of the stratigraphically lowest Upper Triassic tetrapods collected on the Colorado Plateau. Unfortunately, many of these fossils were collected decades ago, and the recorded locality data lack crucial geographic and stratigraphic detail. Tetrapods from MNA locality 213, northwest of Cameron, include fragmentary phytosaur teeth and bones and a variety of coprolites that were probably derived from the Shinarump Formation or the lowermost Cameron Formation. MNA locality 491 encompasses all MNA collections made from an area 1/3 to 4 miles" (4.8-6.4 km) east of Cameron as well as those made in the general vicinity of Tanner's Crossing, approximately 2.5 miles (4.0 km) southeast of Cameron. Tetrapods from MNA locality 491 include a well-preserved skull and several pectoral elements assigned to the metoposaurid amphibian Buettneria perfecta and more fragmentary reptile material, at least some of which was probably derived from the Cameron Formation. These fossils appear to represent, at least in part, the first tetrapod records from the Cameron Formation and are among the stratigraphically lowest Chinle tetrapods from the Colorado Plateau.

Additional Information

Heckert, A.B., Lucas, S.G., and Estep, J.W., (2002) Lower Chinle Group (Upper Triassic:upper Carnian) tetrapods from the vicinity of Cameron, Arizona. New Mexico Museum of Natural History and Science Bulletin 21, p. 73-76. (ISSN 1524-4156) Archived in NC DOCKS with permission of the editor. The version of record is available at: http://econtent.unm.edu/
Language: English
Date: 2002

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