CAS loc. 29084, Round Valley (Cretaceous of the United States)
Where: Contra Costa County, California (37.9° N, 121.8° W: paleocoordinates 44.1° N, 91.3° W)
• coordinate based on nearby landmark
When: Middle Campanian (83.5 - 70.6 Ma)
• probably mapped as Panoche Formation (Dibblee, jr. 1980, Tassajara quad)
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Reposited in the CAS
Primary reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378 [A. Miller/A. Hendy/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 215442: authorized by Jonathan Marcot, entered by Jonathan Marcot on 10.11.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Cephalopoda | |
"Baculites aff. teres" = Fresvillia teres
"Baculites aff. teres" = Fresvillia teres Forbes 1846 ammonite | |
|
Parapachydiscus cf. diabloensis Anderson 1958 ammonite | |
| Bivalvia | |
Inoceramus contracostae n. sp.
Inoceramus contracostae n. sp. Anderson 1958 clam | |