Where: Orange County, California (33.8° N, 117.9° W: paleocoordinates 32.8° N, 111.7° 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 71231: authorized by Austin Hendy, entered by Austin Hendy on 21.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
| |
"Rapana vaquerosensis" = Califrapana vaquerosensis
"Rapana vaquerosensis" = Califrapana vaquerosensis Arnold 1908 murex snail SUBSPECIES: R. vaquerosensis imperialis
| |
Bivalvia | |
"Pecten (Chlamy) sespeensis" = Chlamys sespeensis, "Pecten (Lyropecten) bowersi" = Vertipecten bowersi
"Pecten (Chlamy) sespeensis" = Chlamys sespeensis Arnold 1906 scallop
"Pecten (Lyropecten) bowersi" = Vertipecten bowersi Arnold 1906 scallop | |
? Saxidomus vaquerosensis Arnold 1909 venus clam | |
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense Arnold 1908 cockle | |
"Metis aff. alta" = Leporimetis obesa
"Metis aff. alta" = Leporimetis obesa Deshayes 1855 tellin clam | |
Echinoidea | |
"? Scutella norrisi" = Vaquerosella coreyi, "Scutella vaquerosensis" = Vaquerosella vaquerosensis
"? Scutella norrisi" = Vaquerosella coreyi Durham 1955 sand dollar
"Scutella vaquerosensis" = Vaquerosella vaquerosensis Kew 1920 sand dollar |