Northeast Side Crescent Hill (Eocene of the United States)

Where: Wyoming (44.0° N, 110.0° W: paleocoordinates 46.8° N, 98.4° 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

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 24089: authorized by Hallie Sims, entered by Heather Lindon on 30.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Angiospermae
 Fabales - Fabaceae
Leguminosites lesquereuxiana
Leguminosites lesquereuxiana Knowlton 1898 legume
(Lesquereux) Knowlton
 Fagales - Juglandaceae
Hicoria crescentia, Juglans crescentia
Hicoria crescentia Knowlton 1899
Knowlton
Juglans crescentia Knowlton 1899 walnut
Knowlton
 Poales - Poaceae
? Phragmites latissima
? Phragmites latissima Knowlton 1899 common reed
Knowlton
 Poales - Cyperaceae
? Cyperacites sp.
? Cyperacites sp. Schimper 1870 sedge
The fragment is the only specimen of this kind in the collection and is too imperfect to be of much value.
 Zingiberales - Musaceae
Musophyllum complicatum
Musophyllum complicatum Lesquereux 1874
Lesquereux
 Laurales - Lauraceae
Laurus californica, Laurus grandis
Laurus californica Lesquereux 1883 laurel
Lesquereux
Laurus grandis Lesquereux 1883 laurel
Lesquereux
 Coniferales - Cupressaceae
Sequoia couttsiae, Sequoia langsdorfii
Sequoia couttsiae Heer 1862 coast redwood
Heer
Sequoia langsdorfii Heer 1877 coast redwood
(Brgt.) Heer
Polypodiopsida
  - Blechnaceae
Woodwardia preareolata
Woodwardia preareolata Knowlton 1899
Knowlton