Head of Otter Creek (USNM 14066d) (Eocene of the United States)

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

• Dominantly interchannel shale and lignite

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

Show authors, comments, and common names
Polypodiopsida
 Polypodiales - Polypodiidae
Onoclea hesperia
Onoclea hesperia Hickey 1977
 Coniferales - Cupressaceae
Metasequoia occidentalis
Metasequoia occidentalis Chaney 1951 dawn redwood
Angiospermae
 Cornales - Cornaceae
Cornus hyperborea
Cornus hyperborea Heer 1871 dogwood
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum genetrix
Cercidiphyllum genetrix Newberry 1868 katsura
sterile pinna fragment