Where: Siskiyou County, California (41.9° N, 122.6° W: paleocoordinates 51.8° N, 92.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Campanian (83.6 - 72.1 Ma)
• LITHOSTRATIGRAPHIC RELATIONS: From an unnamed lithostratigraphic unit. AGE: Campanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From presumably higher part of section in this area; 400 ft above zone of Metaplacenticeras.
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified, concretionary, shelly/skeletal siliciclastic sediments
Size class: macrofossils
Collected by Anderson; reposited in the CAS
Collection methods: surface (in situ),
• COLLECTOR: F. M. Anderson. REPOSITORY: California Academy of Science (CAS).
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 86809: authorized by Austin Hendy, entered by Austin Hendy on 18.02.2009, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Anapachydiscus siskiyouensis" = Fagesia siskiyouensis
"Anapachydiscus siskiyouensis" = Fagesia siskiyouensis Anderson 1931 ammonite | |
"Lytoceras (Tetragonites) henleyense n. sp." = Tetragonites popetensis
"Lytoceras (Tetragonites) henleyense n. sp." = Tetragonites popetensis Yabe 1903 ammonite | |
| |
Desmophyllites diphylloides Forbes 1846 ammonite | |
Gastropoda | |
"Acteonella rustica" = Trochactaeon (Trochactaeon) frazierensis
"Acteonella rustica" = Trochactaeon (Trochactaeon) frazierensis Anderson 1958 snail |