City of Mesa, AZ

Arizona Triassic Paleontological Project


Reconstruction of Arizonasaurus. Drawing by Gavin McCullough.

Reconstruction of Arizonasaurus. Drawing by Gavin McCullough.

 

Researcher Sterling Nesbitt at the Arizonasaurus locality.

Researcher Sterling Nesbitt at the Arizonasaurus locality.


Museum Researchers: Researcher Sterling Nesbitt, Permit holder Curator Dr. Robert McCord
Location: Northeastern Arizona
Age: Middle Triassic, 240 million years before present
Geological Unit: Moenkopi Formation
Discoveries Include:   Various reptiles and amphibians, including Arizonasaurus, Coelocanth, shark and plant material.
Comments:                  The discovery of a remarkably complete Arizonasaurus revealed what an extraordinary creature it is, and much about the relationships of ancient crocodile relatives.

Publications from Arizona Triassic Paleontological Project
 
2006 The Braincase of Arizonasaurus babbitti—further evidence for the non-monophyly of ‘Rauisuchian’ Archosaurs.
David J. Gower and Sterling J. Nesbitt. Journal of Vertebrate Paleontology 26(1):79-87.
2005 Osteology of the Middle Triassic pseudosuchian archosaur Arizonasaurus babbitti
Sterling J. Nesbitt. Historical Biology: Journal of Paleobiology, Vol. 17, No. 1-4:19-47.
2003 Arizonasaurus and its implications for archosaur divergence.
Sterling J. Nesbitt. Proc. R. Soc. Lond. B vol. 270 no. Suppl. 2 S234-S237.