Also known as Steven's Site
Where: Wyoming (44.4° N, 108.1° W: paleocoordinates 49.2° N, 91.6° W)
• small collection-level geographic resolution
When: Willwood Formatin Formation, Graybullian (55.8 - 50.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: wet floodplain; lithified, carbonaceous shale
Size class: macrofossils
Preservation: adpression, original carbon
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 11400: authorized by Scott Wing, entered by Summer Ostrowski on 13.08.2001, edited by John Burns
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
Salvinia preauriculata Berry 1925 watermoss | |
Angiospermae | |
aff. Hamamelidaceae "sp.1" Brown 1818 witch-hazel | |
Menispermites parvareolatus Hickey 1977 | |
Alnus "sp.1" Miller 1754 alder | |
| |
aff. Alismataceae "sp.1" Ventenat 1799 | |
Metasequoia occidentalis Chaney 1951 dawn redwood
Glyptostrobus europaeus Brongniart 1833 Chinese swamp cypress |