Where: Beaverhead County, Montana (45.2° N, 113.1° W: paleocoordinates 46.1° N, 108.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Oligocene to Oligocene (33.9 - 5.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: "floodplain"; shale
Size class: macrofossils
Preservation: mold/impression, original carbon
Primary reference: H. F. Becker. 1969. Fossil Plants of the Tertiary Beaverhead Basins in Southwestern Montana. Palaeontographica Abteilung B 127:1-142 [H. Sims/H. Lindon/J. Alroy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 24315: authorized by Hallie Sims, entered by Heather Lindon on 05.08.2002, edited by Summer Ostrowski
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Bryopsida | |
Agrostis | |
Agrostis primaeva bentgrass | |
Sequoia affinis Lesquereux 1876 coast redwood | |
Pinopsida | |
Abies laticarpa fir | |
Angiospermae | |
Cercidiphyllum arcticum katsura | |
Cercis parvifolia Lesquereux 1883 redbud | |
Salix succorensis willow | |
Corylus insignis Heer 1871 hazel
Ostrya oregoniana hophornbeam | |
Quercus convexa Lesquereux 1878 oak
Quercus dayana Knowlton 1902 oak
Quercus simulata Knowlton 1898 oak | |
Rosa hilliae Lesquereux 1883 rose | |
Zelkova oregoniana zelkova
Ulmus speciosa Newberry 1883 elm | |
Ptelea miocenica hoptree | |
Koelreuteria arnoldi golden rain tree
Acer minor Knowlton 1902 maple
Acer scottiae MacGinitie 1933 maple |