Also known as UCMP Collection # P252
Where: Churchill County, Nevada (39.4° N, 119.0° W: paleocoordinates 40.0° N, 116.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Lower Member (Desert Peak Formation), Early/Lower Clarendonian (12.5 - 9.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lacustrine; poorly lithified shale
Size class: macrofossils
Preservation: mold/impression, adpression, original carbon
Reposited in the UCMP
Collection methods: mechanical,
Primary reference: D. I. Axelrod. 1956. Mio-Pliocene floras from west-central Nevada. University of California Publications in Geological Sciences 33:1-321 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 27661: authorized by Bruce Tiffney, entered by Bruce Tiffney on 17.12.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Populus subwashoensis n. sp. Axelrod 1956 poplar
Populus eotremuloides Knowlton 1898 poplar
Salix knowltoni willow
Salix payettensis willow | |
Sophora spokanensis Knowlton 1926 | |
Betula thor Knowlton 1926 birch | |
Mahonia reticulata barberry
Mahonia marginata barberry | |
Fraxinus alcorni n. sp.
Fraxinus alcorni n. sp. ash | |
Typha lesquereuxi Cockerell 1908 bulrush | |
Dicotyledoneae | |
Arbutus matthesii madrone | |
Pinopsida | |
Torreya nancyana n. sp.
Torreya nancyana n. sp. yew |