Also known as Sta. 91
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: 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 in 1893; reposited in the USNM
Collection methods: surface (in situ),
• COLLECTORS: Diller, Storrs and Stanton 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 83596: authorized by Austin Hendy, entered by Austin Hendy on 22.08.2008, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"? Turbo ? humerosus" = Paskentana humerosa
"? Turbo ? humerosus" = Paskentana humerosa Stanton 1895 snail | |
? Turbo trilineatus Stanton 1895 snail | |
Bivalvia | |
"Nucula gabbi" = Leionucula gabbi
"Nucula gabbi" = Leionucula gabbi Stanton 1895 nut clam | |
Buchia keyserlingi Lahusen 1888 scallop | |
"Astarte trapezoidalis" = Oxyeurax trapezoidalis
"Astarte trapezoidalis" = Oxyeurax trapezoidalis Stanton 1895 clam | |
Cephalopoda | |
Neocraspedites giganteus Imlay 1960 ammonite
Homolsomites mutabilis Stanton 1895 ammonite | |
Thurmanniceras jenkinsi Anderson 1933 ammonite | |
"Belemnites impressus" = Acroteuthis impressa
"Belemnites impressus" = Acroteuthis impressa Gabb 1864 belemnite |