Where: Orange County, California (33.7° N, 117.8° W: paleocoordinates 32.7° N, 111.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Vaqueros Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From the Vaqueros Fm, which unconformably overlies the Eocene Tempetate/Martinez Fm, and is overlain by the Temblor Fm (Middle Miocene). THICKNESS: From bed within unit which locally reaches 500 ft in thickness. AGE: Early Miocene on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: From top of the Vaqueros/Temblor transition zone, in the upper part of the Vaqueros Fm.
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, silty sandstone
Size class: macrofossils
Reposited in the UCMP
Collection methods: surface (in situ),
• COLLECTOR: W. Loel, W. H. Corey, and A. M. Strong (c. late 1910-20's). REPOSITORY: University of California, Berkeley (UCNMP).
Primary reference: W. Loel and W. H. Corey. 1932. The Vaqueros Formation, Lower Miocene of California (Part 1). University of California Publications, Bulletin of the Department of Geological Sciences 22(3):31-410 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 71218: authorized by Austin Hendy, entered by Austin Hendy on 21.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Thecostraca | |
Balanus sp. Da Costa 1778 barnacle | |
Polychaeta | |
"Serpula cf. coreyi" = Serpula careyi
"Serpula cf. coreyi" = Serpula careyi Wiedey 1928 | |
Bivalvia | |
Anomia vaquerosensis n. sp.
Anomia vaquerosensis n. sp. Loel and Corey 1932 jingle | |
"Arca (Barbatia) strongi n. sp." = Anadara (Anadara) strongi, "Arca (Anadara) santana n. sp." = Anadara santana
"Arca (Barbatia) strongi n. sp." = Anadara (Anadara) strongi Loel and Corey 1932 ark
"Arca (Anadara) santana n. sp." = Anadara santana Loel and Corey 1932 ark | |
Tagelus clarki n. sp.
Tagelus clarki n. sp. Loel and Corey 1932 clam | |
| |
Diplodonta cf. orbella Gould 1851 clam | |
Gastropoda | |
Crepidula diminutiva n. sp.
Crepidula diminutiva n. sp. Loel and Corey 1932 slipper shell | |
Olivella santana n. sp.
Olivella santana n. sp. Loel and Corey 1932 olive snail | |
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