Christensen Ranch Florule site 32L ORR (Oligocene to of the United States)

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
  -
 Coniferales - Cupressaceae
Sequoia affinis Lesquereux 1876 coast redwood
Pinopsida
 Pinales - Pinaceae
Angiospermae
 Saxifragales - Cercidiphyllaceae
 Garryales - Eucommiaceae
 Fabales - Fabaceae
Cercis parvifolia Lesquereux 1883 redbud
 Malpighiales - Salicaceae
 Fagales - Betulaceae
Corylus insignis Heer 1871 hazel
Ostrya oregoniana hophornbeam
 Fagales - Fagaceae
Quercus convexa Lesquereux 1878 oak
Quercus dayana Knowlton 1902 oak
Quercus simulata Knowlton 1898 oak
 Rosales - Rosaceae
Rosa hilliae Lesquereux 1883 rose
 Rosales - Ulmaceae
Ulmus speciosa Newberry 1883 elm
 Sapindales - Rutaceae
 Sapindales - Sapindaceae
Koelreuteria arnoldi golden rain tree
Acer minor Knowlton 1902 maple
Acer scottiae MacGinitie 1933 maple