Crescent Hill above (west) Yanceys (Eocene of the United States)

Where: Wyoming (40.0° N, 110.0° W: paleocoordinates 42.8° N, 99.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Sepulcher Formation, Middle Eocene (47.8 - 37.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology:

Size class: macrofossils

Preservation: mold/impression, adpression, original carbon

Collection methods: surface (in situ),

Primary reference: F. H. Knowlton. 1899. Fossil Flora of the Yellowstone National Park. USGS Monograph Series 32(2) [H. Sims/H. Lindon/H. Lindon]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24090: authorized by Hallie Sims, entered by Heather Lindon on 30.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Polypodiopsida
 Schizaeales - Polypodiidae
Lygodium kaulfussi Heer climbing fern
Heer (Cherry Creek, Oregon, Rare)
Angiospermae
 Rosids - Moraceae
Ficus densifolia Knowlton 1899 fig
Knowlton
 Fagales - Juglandaceae
Juglans rugosa Lesquereux 1868 walnut
Lesquereux
 Malpighiales - Salicaceae
Salix lavateri Heer 1856 willow
Heer
 Sapindales - Sapindaceae
Acer sp. Linnaeus 1753 maple
Knowlton
 Proteales - Platanaceae
Platanus guillelmae Göppert 1852 plane tree
? Gopp.
 Coniferales - Cupressaceae
Sequoia langsdorfii Heer 1877 coast redwood
(Brgt.) Heer