Also known as USGS Mesozoic loc. 1093, USGS loc. M3061
Where: Tehama County, California (40.1° N, 122.2° W: paleocoordinates 38.1° N, 71.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Buchia pacifica zone, Paskenta Formation, Valanginian (139.8 - 132.9 Ma)
• STRATIGRAPHIC RELATIONS: From the Paskenta Fm. AGE: Valanginian, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: cast, mold/impression
Collected by Diller & Storrs; Imlay in 1893; 1965; reposited in the USNM
Collection methods: surface (in situ),
• COLLECTORS: Diller and Storrs, 1893. REPOSITORY: USNM, Washington DC.
Primary reference: R. W. Imlay. 1960. Ammonites of Early Cretaceous age (Valanginian and Hauterivian) from the Pacific Coast states. United States Geological Survey Professional Paper 334(F):1-228 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 83608: authorized by Austin Hendy, entered by Austin Hendy on 22.08.2008, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Astarte corrugata Stanton 1895 clam | |
Pinna sp. Linnaeus 1758 oyster | |
"Aucella crassicollis" = Buchia crassicollis
"Aucella crassicollis" = Buchia crassicollis Keyserling 1846 scallop | |
"Arca tehamaensis" = Parallelodon (Gilbertwhitea) tehamaensis
"Arca tehamaensis" = Parallelodon (Gilbertwhitea) tehamaensis Stanton 1895 clam | |
Leda glabra Stanton 1895 pointed nut clam | |
Avicula (Oxytoma) whiteavesi Stanton 1895 clam | |
Gastropoda | |
Cerithium strigosum Stanton 1895 cerith snail | |
Hypsipleura gregaria Stanton 1895 snail | |
Scaphopoda | |
Dentalium californicum Stanton 1895 tusk shell | |
Cephalopoda | |
Homolsomites mutabilis Stanton 1895 ammonite type locality of ssp. Homolsomites mutabilis crassicostatus
| |
Sarasinella angulata Stanton 1895 ammonite | |
Bochianites paskentaensis Anderson 1933 ammonite | |
Belemnites sp., "Belemnites impressus" = Acroteuthis impressa
Belemnites sp. Lamarck 1799 belemnite
"Belemnites impressus" = Acroteuthis impressa Gabb 1864 belemnite |