Also known as Hutchison Hill
Where: Wyoming (44.3° N, 108.1° 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: fine channel fill; carbonaceous mudstone
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 11360: 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 | |
Ginkgoopsida | |
Ginkgo adiantoides Unger 1845 ginkgo | |
Angiospermae | |
"aff. Leguminosae "sp.1"" = Fabaceae
"aff. Leguminosae "sp.1"" = Fabaceae Lindley 1836 legume | |
Populus meigsii poplar | |
aff. Betulaceae "sp.1" Gray 1822 birch | |
aff. Juglandaceae "sp.2" Perleb 1818 | |
aff. Alismataceae "sp.1" Ventenat 1799 | |
Spirodela magna duckweed | |
aff. Flacourtiaceae "sp.3" Richard and Candolle 1824 | |
Platanus brownii plane tree
Platanus gracilis plane tree
Platanus guillelmae Göppert 1852 plane tree
Platanus raynoldsii Newberry 1868 plane tree | |
Cercidiphyllum genetrix Newberry 1868 katsura | |
Menispermites parvareolatus Hickey 1977 | |
Zingiberopsis isonervosa Hickey 1977 | |
Polypodiopsida | |
Azolla "sp.1" Lamarck 1783
Salvinia preauriculata Berry 1925 watermoss |