Where: Wyoming (44.3° N, 108.0° W: paleocoordinates 49.1° N, 91.4° W)
• 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
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 11495: 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 | |
Alnus "sp. 1" Miller 1754 alder | |
Juglandaceae "sp. 2" Perleb 1818 | |
Platanus gracilis plane tree
Platanus raynoldsii Newberry 1868 plane tree | |
Hamamelidaceae "sp. 1" Brown 1818 witch-hazel | |
Cercidiphyllum genetrix Newberry 1868 katsura | |
Glyptostrobus europaeus Brongniart 1833 Chinese swamp cypress |