Where: Shasta County, California (41.3° N, 122.3° W: paleocoordinates 21.4° N, 58.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Kosk Member (Modin Formation), Rhaetian (208.5 - 201.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: deep-water; siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression, original calcite
Primary reference: A. F. Sanborn. 1960. Geology and Paleontology of the southwest quarter of the Big Bend Quadrangle, Shasta County, California. California Division of Mines, Special Report 63 18-26 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 38333: authorized by Martin Aberhan, entered by Sabine Nürnberg on 20.04.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Choristoceras marshi Hauer 1865 ceratite |