Where: Lemhi County, Idaho (45.2° N, 113.9° W: paleocoordinates 46.5° N, 106.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Mulkey Creek Member (Salmon City Formation), Rupelian (33.9 - 28.1 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lacustrine; poorly lithified, sandy siltstone
Size class: macrofossils
Preservation: mold/impression, adpression, original carbon
Collection methods: quarrying, mechanical,
Primary reference: D.I. Axelrod. 1998. The Oligocene Haynes Creek Flora of Eastern Idaho. University of California Publications in Geological Sciences 143:1-99 [B. Tiffney/M. Sherwood/B. Tiffney]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 27569: authorized by Bruce Tiffney, entered by Bruce Tiffney on 11.12.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Chrysolepis haynesii n. sp., Diplodipelta reniptera, Symphoricarpos salmonense, Ledum idahoensis n. sp., Euptelea dilcherii n. sp.
| |
Polypodiopsida | |
Osmunda occidentale Knowlton 1917 | |
Ginkgoopsida | |
Ginkgo adiantoides Unger 1845 ginkgo | |
Craigia | |
Dicotyledoneae | |
Rhododendron chaneyi rhododendron | |
Angiospermae | |
Sassafras ashleyi sassafras | |
Typha lesquereuxi Cockerell 1908 bulrush | |
Mahonia simplex barberry
Mahonia creedensis barberry | |
Cercidiphyllum crenatum Brown 1935 katsura | |
Fraxinus stenocarpa n. sp.
Fraxinus stenocarpa n. sp. ash | |
Platanus idahoensis n. sp.
Platanus idahoensis n. sp. plane tree | |
Populus cinnamonoides poplar
Populus eotremuloides Knowlton 1898 poplar
Salix sp. Linnaeus 1753 willow | |
Betula lemhiensis n. sp. birch
Betula ashleyi birch
Alnus fairii alder
Alnus lemhiensis n. sp. alder
Alnus latahensis alder | |
Lithocarpus weidei, Quercus snookensis n. sp., Quercus castormontis n. sp., Quercus moyei n. sp., Quercus haynesii n. sp., Quercus bilobata n. sp.
| |
Spiraea idahoensis n. sp., Vauquelinia sp.
Spiraea idahoensis n. sp. meadowsweet
Vauquelinia sp. Correa rose | |
Rhamnus columbiana buckthorn | |
Sorbus mcjannetii, Sorbus cassiana, Amelanchier dignatus, Crataegus sp., Crataegus bakeri n. sp., Crataegus haynesii n. sp., Crataegus flavescens
Amelanchier dignatus shadbush
Crataegus sp. Linnaeus 1753 hawthorn
Crataegus bakeri n. sp. hawthorn
Crataegus haynesii n. sp. hawthorn
Crataegus flavescens Bosch 1825 hawthorn | |
Gleditsia lottii n. sp.
Gleditsia lottii n. sp. | |
Tilia hallii linden
Tilia circularis linden | |
Acer idahoensis maple
Acer macginitiei Wolfe and Tanai 1987 maple
Acer florissanti Kirchner 1898 maple
Acer tiffneyi Wolfe and Tanai 1987 maple
Acer hueberi Wolfe and Tanai 1987 maple | |
Pinopsida | |
Abies idahoensis n. sp., Larix lemhiensis n. sp., Pseudotsuga glaucoides, Picea coloradensis, Pinus ponderosoides, Pinus alvordensis, Pinus baileyii n. sp., Pinus prestrobus n. sp.
Abies idahoensis n. sp. fir
Larix lemhiensis n. sp. larch
Picea coloradensis spruce
Pinus ponderosoides pine
Pinus alvordensis pine
Pinus baileyii n. sp. pine
Pinus prestrobus n. sp. pine | |
Cunninghamia marquettii n. sp. cypress
Taxodium dubium Sternberg 1824 cypress
Chamaecyparis edwardsii n. sp. cypress
Sequoia affinis Lesquereux 1876 coast redwood |