Where: Oliver County, North Dakota (47.0° N, 101.6° W: paleocoordinates 50.8° N, 83.2° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Camels Butte Member (Golden Valley Formation), Wasatchian (55.8 - 50.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: "channel"; shale
Size class: macrofossils
Preservation: mold/impression, adpression
Reposited in the USNM
Collection methods: quarrying,
Primary reference: L. J. Hickey. 1977. Stratigraphy and paleobotany of the Golden Valley Formation (Early Tertiary) of western North Dakota. The Geological Society of America Memoir 150:1-183 [H. Sims/S. Ostrowski/J. Cassara]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 10965: authorized by Hallie Sims, entered by Summer Ostrowski on 08.07.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
| |
Cornus hyperborea Heer 1871 dogwood | |
Metasequoia occidentalis Chaney 1951 dawn redwood | |
Polypodiopsida | |
Onoclea hesperia Hickey 1977 |