Where: Arizona (32.5° N, 110.6° W: paleocoordinates 32.5° N, 110.6° W)
When: Middle Pleistocene (0.8 - 0.1 Ma)
Environment/lithology: terrestrial; lithified, massive, pebbly, brown, white, conglomeratic, calcareous marl
•containing lesser amounts of clay than the lower marl. Snails are >96 localities in Arizona (Saunders, 1970; Agenbroad and in the upper 3 m of marls, and the total thickness of 4 m has been dated at 27,000 to 12,000 years before present.
Size class: macrofossils
• Mandible with two last molars of Mammuthus Columbi. Mandibular tooth and fragments of enamel of Mammut americanum. Mollusks were recovered.
Primary reference: L. D. Agenbroad, J. I. Mead, C. V. Haynes, Jr. and R. H. Hevly. 2013. Fossil fauna and flora from late Pleistocene Cerros Negros Locality, Pinal County, Arizona: With update of Mammuthus and all Mammut localities from Arizona. 58(1):50-53 [M. Uhen/J. So]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 190076: authorized by Mark Uhen, entered by Jeankyong So on 27.11.2017
Creative Commons license: CC BY (attribution)