ammonites
Leptarctus B (Miocene of the United States)

Also known as UCMP V-4141
DUPLICATE REF 3564 or 3565

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.3° N, 98.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Merritt Dam Member (Ash Hollow Formation), Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: S. D. Webb. 1969. University of California Publications in Geological Sciences 78 [J. Alroy/J. Alroy] more details

PaleoDB collection 18226: authorized by John Alroy, entered by John Alroy on 05.08.1992

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