Where: Clear Lake County, California (38.9° N, 122.9° W: paleocoordinates 39.0° N, 122.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Kelseyville Formation, Rancholabrean (0.3 - 0.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lacustrine; unlithified, fine-grained, diatomaceous, silty claystone
Size class: microfossils
Primary reference: J. P. Bradbury. 1988. Diatom biostratigraphy and the paleolimnology of Clear Lake, Lake County, California. Geological Society of America Special Papers 214:97-130 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 184915: authorized by Pete Wagner, entered by Pete Wagner on 29.03.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Mediophyceae | |
Stephanodiscus "sp. nov." Ehrenberg 1845
Stephanodiscus excentricus Hustedt 1952 | |
Bacillariophyceae | |
Melosira solida diatom | |
Amphora perpusilla diatom | |
Cocconeis placentula diatom | |
Fragilaria pinnata diatom
Fragilaria brevistriata diatom |