Fort Crittendon Formation Paleontological Project

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The fauna of the Fort Crittenden Formation.



Museum Researchers: Principal Investigator Curator Dr. Robert McCord
Gavin McCullough
Location: Southeast Arizona
Age: Campanian, late Cretaceous, 75 million years before present
Geological Unit: Fort Crittenden Formation
Discoveries Include: Tyrannosaurs, titanosaurs, hadrosaurs, ceratopsians, crocodiles, a lizard, several types of turtles, garfish, bowfin, clams, snails, and petrified wood.
Comments: A wonderful glimpse of an ancient community in Arizona. Fossils from this site allow comparison to how southern Arizona was similar to and different from other sites in North America at this time.

Publications from Fort Crittenden Paleontological Project

2005 Cretaceous Vertebrates of Arizona.
Robert McCord and David Gillette. Vertebrate Paleontology of Arizona, Mesa Southwest Museum Bulletin 11: 94-103.
2001 Investigating the correlation of stratigraphy and fossil taxa in the Fort Crittenden fauna using GIS.
Erin Schirtzinger. Mesa Southwest Museum Bulletin 8:74.
2001 Ongoing research in the late Cretaceous Fort CrittendenFormation, southeastern Arizona: the non-dinosaurian vertebrate fauna.
Robert McCord, Gavin McCullough, B.J. Tegowski, John Paul Hodnett and Robert Scarborough. Mesa Southwest Museum Bulletin 8: 65-71.
1996 Fossil mollusks from the late Cretaceous Fort Crittenden Formation, Adobe Canyon, Arizona.
Robert McCord and Laura Markiewicz. Proceedings of the Fossils of Arizona Symposium. 4:111-114.


Fossil prospecting.


Writing field notes and recording location data.