Where: Wyoming (44.0° N, 109.0° W: paleocoordinates 49.4° N, 90.4° W)
• small collection-level geographic resolution
When: Fort Union Formation, Clarkforkian (56.2 - 54.9 Ma)
• bed-level stratigraphic resolution
Environment/lithology: 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 11374: authorized by Scott Wing, entered by Summer Ostrowski on 13.08.2001, edited by John Burns
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Metasequoia occidentalis Chaney 1951 dawn redwood | |
Angiospermae | |
Ampelopsis acerifolia Newberry 1868 | |
Populus meigsii poplar | |
Betula stevensonii Lesquereux 1878 birch
Corylus insignis Heer 1871 hazel | |
aff. Juglandaceae "sp.2", "Carya antiquorum" = Hicoria antiquora
aff. Juglandaceae "sp.2" Perleb 1818
"Carya antiquorum" = Hicoria antiquora Newberry 1868 | |
Acer silberlingii maple | |
Platanus gracilis plane tree | |
Cercidiphyllum genetrix Newberry 1868 katsura | |
Viburnum antiquum Newberry 1868 honeysuckle
Viburnum asperum Newberry 1868 honeysuckle | |
Fraxinus eocenica Lesquereux 1878 ash | |
Polypodiopsida | |
Equisetum "sp.1" Linnaeus 1753 horsetail |