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 Turritella inezana (ss) bed, 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 71217: authorized by Austin Hendy, entered by Austin Hendy on 21.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
"Scutella fairbanksi" = Kewia fairbanksi
"Scutella fairbanksi" = Kewia fairbanksi Arnold 1907 sand dollar | |
Thecostraca | |
Balanus sp. Da Costa 1778 barnacle | |
Gastropoda | |
"Cancellaria dalliana" = Cancellaria (Euclia) dalliana
"Cancellaria dalliana" = Cancellaria (Euclia) dalliana Anderson 1905 snail | |
Olivella santana n. sp.
Olivella santana n. sp. Loel and Corey 1932 olive snail | |
"Polinices recluzianus" = Glossaulax reclusiana
"Polinices recluzianus" = Glossaulax reclusiana Deshayes 1839 moon snail SUBSPECIES: P. recluzianus andersoni
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Calyptraea costellata Conrad 1857 slipper shell
Calyptraea inornata Gabb 1869 slipper shell | |
Bivalvia | |
"Ostrea eldridgei" = Crenostrea eldridgei
"Ostrea eldridgei" = Crenostrea eldridgei Arnold 1907 oyster COMMENTS: Includes O. eldridgei ynezana
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"Ostrea vaquerosensis" = Crassostrea vaquerosensis, "Ostrea vespertina" = Dendostrea vespertina
"Ostrea vaquerosensis" = Crassostrea vaquerosensis Loel and Corey 1932 oyster
"Ostrea vespertina" = Dendostrea vespertina Conrad 1855 oyster | |
Anomia vaquerosensis n. sp.
Anomia vaquerosensis n. sp. Loel and Corey 1932 jingle | |
"Panope cf. generosa" = Panopea generosa
"Panope cf. generosa" = Panopea generosa Gould 1850 clam | |
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense, "Cardium (Trachycardium) woodringi" = Dallocardia woodringi
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense Arnold 1908 cockle
"Cardium (Trachycardium) woodringi" = Dallocardia woodringi Loel and Corey 1932 cockle | |
"Tellina arctata" = Macoma (Psammacoma) arctata, Macoma nasuta
"Tellina arctata" = Macoma (Psammacoma) arctata Conrad 1849 tellin clam
Macoma nasuta Conrad 1837 tellin clam | |
Tagelus clarki n. sp.
Tagelus clarki n. sp. Loel and Corey 1932 clam | |
"Dosinia (Dosinidia) mathewsonii" = Dosinia (Dosinia) whitneyi, Dosinia (Dosinidia) margaritana, "Chione richthofeni" = Chione (Chionopsis) richthofeni, Petricola sp.
"Dosinia (Dosinidia) mathewsonii" = Dosinia (Dosinia) whitneyi Gabb 1866 venus clam
Dosinia (Dosinidia) margaritana Wiedey 1928 venus clam SUBSPECIES: D. (Dosinidia) margaritana projecta
"Chione richthofeni" = Chione (Chionopsis) richthofeni Hertlein and Jordan 1927 venus clam
Petricola sp. Lamarck 1801 venus clam | |
Diplodonta cf. orbella Gould 1851 clam | |
"Mactra cf. sectoris" = Mactromeris sectoris
"Mactra cf. sectoris" = Mactromeris sectoris Anderson and Martin 1914 clam | |
"Phacoides (Lucinoma) acutilineatus" = Lucinoma acutilineata, "Phacoides (Here) richthofeni" = Here excavata, "Phacoides (Miltha) sanctaecrucis" = Miltha (Miltha) sanctaecrucis
"Phacoides (Lucinoma) acutilineatus" = Lucinoma acutilineata Conrad 1849 clam
"Phacoides (Here) richthofeni" = Here excavata Carpenter 1857 clam
"Phacoides (Miltha) sanctaecrucis" = Miltha (Miltha) sanctaecrucis Arnold 1909 clam |