Also known as USGS 14 I 80-39D
Where: Owyhee County, Idaho (43.1° N, 116.3° W)
• Paleocoordinates: 44.9° N, 112.4° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Chalk Hills Formation, Late/Upper Miocene (11.6 - 5.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lacustrine; siltstone and ash
Size class: microfossils
Primary reference: E. Theriot and J. P. Bradbury. 1987. Mesodictyon, a New Fossil Genus of the Centric Diatom Family Thalassiosiraceae from the Miocene Chalk Hills Formation, Western Snake River Plain, Idaho. Micropaleontology 33(4):356-367 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 191559: authorized by Pete Wagner, entered by Pete Wagner on 01.02.2018
Creative Commons license: CC0 (CC0)
Taxonomic list
Bacillariophyceae | |
Mesodictyon undulatum n. sp.
Mesodictyon undulatum n. sp. Theriot and Bradbury 1987 diatom |