Where: Orange County, California (33.6° N, 117.6° W: paleocoordinates 32.7° N, 111.4° 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 71228: 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 | |
Gymnolaemata | |
Cheilostomata indet. Busk 1859 | |
Bivalvia | |
"Ostrea eldridgei" = Crenostrea eldridgei
"Ostrea eldridgei" = Crenostrea eldridgei Arnold 1907 oyster | |
"Pedalion cf. panzana" = Isognomon (Isognomon) panzana
"Pedalion cf. panzana" = Isognomon (Isognomon) panzana Loel and Corey 1932 oyster | |
"Pecten (Lyropecten) bowersi" = Vertipecten bowersi, "Pecten (Lyropecten) miguelensis" = Lyropecten miguelensis
"Pecten (Lyropecten) bowersi" = Vertipecten bowersi Arnold 1906 scallop
"Pecten (Lyropecten) miguelensis" = Lyropecten miguelensis Arnold 1906 scallop SUBSPECIES: P. (L.) miguelensis submiguelensis
| |
"Arca (Anadara) santana n. sp." = Anadara santana
"Arca (Anadara) santana n. sp." = Anadara santana Loel and Corey 1932 ark | |
"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 | |
"Sanguinolaria cf. toulai" = Nuttallia toulai
"Sanguinolaria cf. toulai" = Nuttallia toulai Hertlein and Jordan 1927 clam | |
Dosinia santana n. sp., "Chione aff. richthofeni" = Chione (Chionopsis) richthofeni, Clementia (Egesta) pertenuis, Tivela (Pachydesma) inezana, Saxidomus sp.
Dosinia santana n. sp. Loel and Corey 1932 venus clam
"Chione aff. richthofeni" = Chione (Chionopsis) richthofeni Hertlein and Jordan 1927 venus clam
Tivela (Pachydesma) inezana Conrad 1856 venus clam
Saxidomus sp. Conrad 1837 venus clam | |
? Mya sp. Linnaeus 1758 softshell clam | |
Lucina wattsi Loel and Corey 1932 clam | |
Gastropoda | |
Crepidula diminutiva Loel and Corey 1932 slipper shell
Calyptraea inornata Gabb 1869 slipper shell
Calyptraea filosa Gabb 1866 slipper shell | |
"Purpura milicentana n. sp." = Ocenebra milicentana, "Rapana vaquerosensis" = Califrapana vaquerosensis
"Purpura milicentana n. sp." = Ocenebra milicentana Loel and Corey 1932 murex snail
"Rapana vaquerosensis" = Califrapana vaquerosensis Arnold 1908 murex snail COMMENTS: Includes R. vaquerosensis imperialis
| |
Voluta sp. Linnaeaus 1758 volute | |
Olivella santana n. sp.
Olivella santana n. sp. Loel and Corey 1932 olive snail | |
Polinices recluzianys moon snail | |
| |
"Terebra santana n. sp." = Clavocerithium santana, "Cerithium topangensis" = Bittium topangensis
"Terebra santana n. sp." = Clavocerithium santana Loel and Corey 1932 cerith snail
"Cerithium topangensis" = Bittium topangensis Arnold 1907 cerith snail | |
Echinoidea | |
"Scutella vaquerosensis" = Vaquerosella vaquerosensis
"Scutella vaquerosensis" = Vaquerosella vaquerosensis Kew 1920 sand dollar | |
Scutella fairbanski sand dollar |