Where: Contra Costa County, California (37.8° N, 121.9° W: paleocoordinates 37.4° N, 109.8° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Upper Member (Tejon Formation), Bartonian (41.3 - 38.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Primary reference: J. O. Nomland. 1916. Corals from the Cretaceous and Tertiary of California and Oregon. Bulletin of the Department of Geology, University of California Publications 9(5):59-76 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 122336: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.12.2011, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Balanophyllia variabilis n. sp.
Balanophyllia variabilis n. sp. Nomland 1916 stony coral | |
Gastropoda | |
Turritella uvasana Conrad 1855 turret shell | |
Bivalvia | |
"Meretrix hornii" = Macrocallista (Costacallista) hornii
"Meretrix hornii" = Macrocallista (Costacallista) hornii Gabb 1864 venus clam | |
"Cardium cooperii" = Nemocardium (Nemocardium) linteum
"Cardium cooperii" = Nemocardium (Nemocardium) linteum Conrad 1855 cockle | |
"Venericardia planicosta" = Venericor planicosta
"Venericardia planicosta" = Venericor planicosta Lamarck 1801 clam as Venericardia planicosta hornii
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