Also known as USNM locality 41551, SLW9144, carb shale at YPM98
Where: Wyoming (44.3° N, 108.1° W: paleocoordinates 49.3° N, 91.2° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Willwood 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
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 11476: authorized by Scott Wing, entered by John Burns on 17.08.2001, edited by Summer Ostrowski
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Angiospermae | |
Populus meigsii poplar | |
Menispermites parvareolatus Hickey 1977 | |
Cercidiphyllum genetrix Newberry 1868 katsura | |
Hamamelidaceae "sp. 1" Brown 1818 witch-hazel | |
Glyptostrobus europaeus Brongniart 1833 Chinese swamp cypress |