Also known as USNM locality 37620, low in Tw
Where: Wyoming (44.4° N, 108.1° W: paleocoordinates 49.2° N, 91.9° W)
• small collection-level geographic resolution
When: Willwood Formation, Graybullian (55.8 - 50.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: fluvial; lithified siltstone and lithified sandstone
Size class: macrofossils
Preservation: adpression, original carbon
Reposited in the USNM
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 11442: authorized by Scott Wing, entered by John Burns on 16.08.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
|
Thuites interruptus Bell 1949 cypress | |
| Angiospermae | |
|
Platanus gracilis plane tree
Platanus raynoldsii Newberry 1868 plane tree | |
|
Menispermites parvareolatus Hickey 1977 | |
|
Ficus planicostata Lesquereux 1872 fig | |
|
Cissites rocklandensis Brown 1962 | |