USGS6177 (Eocene of the United States)

Also known as Hewitt's locality

Where: Wyoming (44.4° N, 108.8° W: paleocoordinates 49.2° N, 91.7° W)

• small collection-level geographic resolution

When: Willwood Formation, Graybullian (55.8 - 50.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified, carbonaceous shale

Size class: macrofossils

Preservation: adpression, original carbon

Reposited in the USGS

Collection methods: quarrying,

Primary reference: S. L. Wing, J. Alroy, and L. J. Hickey. 1995. Plant and mammal diversity in the Paleocene to Early Eocene of the Bighorn Basin. Palaeogeography, Palaeoclimatology, Palaeoecology 115:117-155 [S. Wing/H. Sims/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 11486: authorized by Scott Wing, entered by John Burns on 17.08.2001, edited by Summer Ostrowski

Creative Commons license: CC BY (attribution)

Taxonomic list

Polypodiopsida
 Equisetales - Equisetidae
Equisetum "sp. 1" Linnaeus 1753 horsetail
 Coniferales - Cupressaceae
Metasequoia occidentalis Chaney 1951 dawn redwood
Angiospermae
 Proteales - Sabiaceae
Meliosma longifolia Hickey 1977
 Laurales - Lauraceae
Persites argutus Hickey 1977 laurel