Where: Orange County, California (33.7° N, 117.7° 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 the Turritella inezana zone in the 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. H. Corey, C. D. Meserve, R. E. Dickerson, and W. S. W. Kew (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 71229: authorized by Austin Hendy, entered by Austin Hendy on 21.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Cerithium topangensis" = Bittium topangensis, "Terebra santana n. sp." = Clavocerithium santana
"Cerithium topangensis" = Bittium topangensis Arnold 1907 cerith snail
"Terebra santana n. sp." = Clavocerithium santana Loel and Corey 1932 cerith snail | |
| |
Voluta sp. Linnaeaus 1758 volute | |
Bivalvia | |
"Arca (Anadara) santana n. sp." = Anadara santana
"Arca (Anadara) santana n. sp." = Anadara santana Loel and Corey 1932 ark | |
Tivela (Pachydesma) inezana Conrad 1856 venus clam | |
"Diplodonta harfordi" = Felaniella (Felaniella) harfordi
"Diplodonta harfordi" = Felaniella (Felaniella) harfordi Anderson 1905 clam | |
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense Arnold 1908 cockle | |
Thecostraca | |
Balanus sp. Da Costa 1778 barnacle | |
Echinoidea | |
Scutella fairbanski sand dollar |