Where: Custer County, Idaho (44.4° N, 114.2° W: paleocoordinates 49.7° N, 98.0° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Germer Tuffaceous Member (Challis Volcanics Formation), Early/Lower Eocene (55.8 - 48.6 Ma)
• member-level stratigraphic resolution
Environment/lithology: lacustrine - small
Size class: mesofossils
Preservation: mold/impression, original carbon
Collection methods: bulk,
Primary reference: D. W. Edelman. 1975. The Eocene Germer Basin Flora of South-Central Idaho. 1-126 [B. Tiffney/J. Fosdick/B. Tiffney]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 35349: authorized by Bruce Tiffney, entered by Julia Fosdick on 02.12.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Cycadeoideopsida | |
? Conites sp. Sternberg 1823 | |
Angiospermae | |
Polypodiopsida | |
Dennstaedtia americana Knowlton 1910 | |
Equisetum octangulatum horsetail
Equisetum cf. arcticum Heer 1866 horsetail |