Also known as USGS Mesozoic loc. 2266, USGS Mesozoic loc. M1579
Where: Tehama County, California (40.0° N, 122.5° W: paleocoordinates 38.0° N, 71.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Buchia keyserlingi zone, Valanginian (139.8 - 132.9 Ma)
• Valanginian. About 1,550 ft above base of Buchia keyserlingi zone
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected by T. W. Stanton, J. S. Diller, and James Storrs in 1893; reposited in the USNM
Collection methods: surface (in situ),
Primary reference: D. L. Jones, E. H. Bailey, and R. W. Imlay. 1969. Structural and stratigraphic significance of the Buchia zones in the Colyear Springs-Paskenta Area, California. United States Geological Survey Professional Paper (647-A)A1-A24 [J. Marcot/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 222101: authorized by Jonathan Marcot, entered by Jonathan Marcot on 09.09.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Buchia keyserlingi Lahusen 1888 scallop | |
Cephalopoda | |
Thurmanniceras jenkinsi Anderson 1933 ammonite
Thurmanniceras stippi Anderson 1938 ammonite | |
Homolsomites mutabilis Stanton 1895 ammonite
Neocraspedites giganteus Imlay 1960 ammonite | |
Lytoceras aulaeum Anderson 1938 ammonite |