ammonites
Patterson Ranch (Pleistocene of the United States)

Where: Knox County, Texas (33.8° N, 99.7° W: paleocoordinates 33.8° N, 99.5° W)

• coordinate based on political unit

When: Irvingtonian (1.8 - 0.3 Ma)

Environment/lithology: terrestrial

Primary reference: W. W. Dalquest and G. E. Schultz. 1992. Ice Age mammals of northwestern Texas [J. Alroy/J. Alroy/J. Alroy] more details

PaleoDB collection 20451: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)