Also known as LACMIP Loc. 23633
Where: Butte County, California (39.9° N, 121.7° W: paleocoordinates 45.1° N, 86.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Chico Formation, Santonian (86.3 - 83.6 Ma)
• LITHOSTRATIGRAPHIC RELATIONS: From the Chico Fm, for which lithostratigraphic relationships are not discussed. AGE: Campanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From lower part of formation.
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified siliciclastic sediments
Size class: macrofossils
Preservation: mold/impression
Collected by Saul & Saul in 1952; reposited in the LACM
Collection methods: surface (in situ),
• COLLECTOR: L.E. & R.B. Saul. REPOSITORY: UCLA (at the time).
Primary reference: T. Matsumoto. 1960. Upper Cretaceous ammonites of California. Part III. Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II 1-204 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 86954: authorized by Austin Hendy, entered by Austin Hendy on 26.02.2009, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
"Polyptychoceras cf. obstrictum" = Polyptychoceras (Polyptychoceras) obstrictum
"Polyptychoceras cf. obstrictum" = Polyptychoceras (Polyptychoceras) obstrictum Jimbo 1894 ammonite | |
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Baculites cf. capensis Woods 1906 ammonite | |
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Hauericeras (Gardeniceras) angustum Yabe 1904 ammonite | |
"Gaudryceras cf. denmanense" = Gaudryceras (Gaudryceras) denmanense
"Gaudryceras cf. denmanense" = Gaudryceras (Gaudryceras) denmanense Whiteaves 1903 ammonite | |
| Gastropoda | |
Gyrodes (Sohlella) banites n. sp.2
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| Bivalvia | |
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