ammonites
Mark's Sink (Pleistocene of the United States)

Also known as DMNH Locality No. 1349

Where: Park County, Colorado (39.3° N, 105.7° W: paleocoordinates 39.3° N, 105.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Irvingtonian (1.8 - 0.3 Ma)

Environment/lithology: terrestrial

Reposited in the DMNH

Primary reference: O. Fejfar and C. A. Repenning. 1998. The ancestors of the lemmings (Lemmini, Arvicolinae, Cricetidae, Rodentia) in the early Pliocene of Wölfersheim near Frankfurt am Main; Germany. Senckenbergiana Lethaea 77(1/2):161-193 [J. Alroy/J. Alroy/L. van den Hoek Ostende] more details

PaleoDB collection 20410: authorized by John Alroy, entered by John Alroy on 15.05.2002

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