Where: Wyoming (44.0° N, 109.0° W: paleocoordinates 49.4° N, 90.4° W)
• small collection-level geographic resolution
When: Willwood 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 11386: 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 | |
Equisetum "sp.1" Linnaeus 1753 horsetail | |
Ginkgoopsida | |
Ginkgo adiantoides Unger 1845 ginkgo | |
Lycopodiopsida | |
Isoetites horridus Dawson 1883 clubmoss | |
Glyptostrobus europaeus Brongniart 1833 Chinese swamp cypress
Metasequoia occidentalis Chaney 1951 dawn redwood | |
Angiospermae | |
Zingiberopsis isonervosa Hickey 1977 | |
Porosia verrucosa Lesquereux 1878 | |
Meliosma longifolia Hickey 1977 | |
Cercidiphyllum genetrix Newberry 1868 katsura | |
Nyssa alata tupelo | |
Fraxinus eocenica Lesquereux 1878 ash | |
"Carya antiquorum" = Hicoria antiquora
"Carya antiquorum" = Hicoria antiquora Newberry 1868 |