Where: Stark County, North Dakota (46.9° N, 102.8° W: paleocoordinates 50.9° N, 84.5° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Golden Valley Formation, Wasatchian (55.8 - 50.3 Ma)

• "Most of the fossil vertebrates... have been found... 2-5 inches below very distinctive, highly indurated and brittle layer of chert"; most plants are from "about 4 feet above" the layer in "a zone of tan claystone"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, red claystone

Size classes: macrofossils, mesofossils

Collection methods: bulk, quarrying, surface (float), sieve,

• "Several hundred classifiable bones and teeth of vertebrates" in the original collections, plus 10 teeth collected by West

Primary reference: G. L. Jepsen. 1963. Eocene vertebrates, coprolites, and plants in the Golden Valley Formation of western North Dakota. Geological Society America Bulletin 74:673-684 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 15895: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)