Also known as River Road 4
Where: Wyoming (44.4° N, 108.2° W: paleocoordinates 49.2° N, 91.0° 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 11397: authorized by Scott Wing, entered by Summer Ostrowski on 13.08.2001, edited by John Burns
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
aff. Hamamelidaceae "sp.1" Brown 1818 witch-hazel | |
Menispermites parvareolatus Hickey 1977 | |
"Monocotyledonae "palm sp.1"" = Monocotyledoneae
"Monocotyledonae "palm sp.1"" = Monocotyledoneae |