Where: Orange County, California (33.6° N, 117.8° W: paleocoordinates 32.6° N, 111.6° 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 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 71223: authorized by Austin Hendy, entered by Austin Hendy on 21.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Crepidula diminutiva n. sp. Loel and Corey 1932 slipper shell
Calyptraea filosa Gabb 1866 slipper shell
Calyptraea inornata Gabb 1869 slipper shell
Calyptraea costellata Conrad 1857 slipper shell | |
"Terebra santana n. sp." = Clavocerithium santana
"Terebra santana n. sp." = Clavocerithium santana Loel and Corey 1932 cerith snail | |
Turritella temblorensis Wiedey 1928 turret shell
Turritella ocoyana Conrad 1855 turret shell | |
Olivella santana n. sp.
Olivella santana n. sp. Loel and Corey 1932 olive snail | |
| |
"Rapana vaquerosensis" = Califrapana vaquerosensis, "Purpura milicentana n. sp." = Ocenebra milicentana, ? Purpura topangensis
"Rapana vaquerosensis" = Califrapana vaquerosensis Arnold 1908 murex snail SUBSPECIES: R. vaquerosensis imperialis
"Purpura milicentana n. sp." = Ocenebra milicentana Loel and Corey 1932 murex snail
? Purpura topangensis Arnold 1907 murex snail | |
"Cancellaria dalliana" = Cancellaria (Euclia) dalliana
"Cancellaria dalliana" = Cancellaria (Euclia) dalliana Anderson 1905 snail | |
"Polinices recluzianus" = Glossaulax reclusiana
"Polinices recluzianus" = Glossaulax reclusiana Deshayes 1839 moon snail SUBSPECIES: P. recluzianus andersoni
| |
Hipponix sp. Defrance 1819 hoof shell | |
Scaphander jugularis Conrad 1855 snail | |
Bivalvia | |
"Arca (Anadara) santana n. sp." = Anadara santana, "Arca (Barbatia) strongi n. sp." = Anadara (Anadara) strongi
"Arca (Anadara) santana n. sp." = Anadara santana Loel and Corey 1932 ark
"Arca (Barbatia) strongi n. sp." = Anadara (Anadara) strongi Loel and Corey 1932 ark | |
Anomia vaquerosensis n. sp.
Anomia vaquerosensis n. sp. Loel and Corey 1932 jingle | |
"Pecten (Chlamys) sespeensis" = Chlamys sespeensis, "Pecten (Lyropecten) magnolia" = Macrochlamis magnolia
"Pecten (Chlamys) sespeensis" = Chlamys sespeensis Arnold 1906 scallop
"Pecten (Lyropecten) magnolia" = Macrochlamis magnolia Conrad 1857 scallop | |
"Ostrea eldridgei" = Crenostrea eldridgei
| |
"Ostrea vaquerosensis" = Crassostrea vaquerosensis, "Ostrea freudenbergi" = Striostrea freudenbergi, "Ostrea vespertina" = Dendostrea vespertina
"Ostrea vaquerosensis" = Crassostrea vaquerosensis Loel and Corey 1932 oyster
"Ostrea freudenbergi" = Striostrea freudenbergi Hertlein and Jordan 1927 oyster
"Ostrea vespertina" = Dendostrea vespertina Conrad 1855 oyster | |
"Mytilus expansus" = Crenomytilus expansus, Lithophaga sp., "Modiolus ynezianus" = Modiolus (Modiolus) ynezianus
"Mytilus expansus" = Crenomytilus expansus Arnold 1907 mussel
Lithophaga sp. Röding 1798 mussel
"Modiolus ynezianus" = Modiolus (Modiolus) ynezianus Arnold 1908 mussel COMMENTS: Includes M. ynezianus laguanus
| |
"Phacoides (Lucinoma) acutilineatus" = Lucinoma acutilineata, "Phacoides (Lucinisca) cf. nuttallii" = Lucinisca nuttalli
"Phacoides (Lucinoma) acutilineatus" = Lucinoma acutilineata Conrad 1849 clam
"Phacoides (Lucinisca) cf. nuttallii" = Lucinisca nuttalli Conrad 1837 clam COMMENTS: Mispelt: P. (L.) cf. nutallii
| |
Teredo sp. Linnaeus 1758 clam | |
Saxidomus vaquerosensis, Clementia (Egesta) pertenius, Tivela (Pachydesma) inezana, "Chione richthofeni" = Chione (Chionopsis) richthofeni, "Chione aff. richthofeni" = Chione (Chionopsis) richthofeni, Dosinia (Dosinidia) margaritana, Dosinia (Dosinella) merriami, Dosinia santana
Saxidomus vaquerosensis Arnold 1909 venus clam
Tivela (Pachydesma) inezana Conrad 1856 venus clam
"Chione richthofeni" = Chione (Chionopsis) richthofeni Hertlein and Jordan 1927 venus clam
"Chione aff. richthofeni" = Chione (Chionopsis) richthofeni Hertlein and Jordan 1927 venus clam
Dosinia (Dosinella) merriami Clark 1915 venus clam
Dosinia santana Loel and Corey 1932 venus clam | |
Diplodonta cf. orbella Gould 1851 clam | |
"Mactra cf. sectoris" = Mactromeris sectoris
"Mactra cf. sectoris" = Mactromeris sectoris Anderson and Martin 1914 clam | |
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense Arnold 1908 cockle | |
? Donax sp. Linnaeus 1758 clam | |
Macoma nasuta Conrad 1837 tellin clam | |
"Solen gravidus" = Solena (Plectosolen) gravidus
"Solen gravidus" = Solena (Plectosolen) gravidus Clark 1918 clam | |
"Panope cf. generosa" = Panopea generosa
"Panope cf. generosa" = Panopea generosa Gould 1850 clam | |
Gymnolaemata | |
Cheilostomata indet. Busk 1859 | |
Polychaeta | |
"Serpula cf. coreyi" = Serpula careyi
"Serpula cf. coreyi" = Serpula careyi Wiedey 1928 | |
Thecostraca | |
Balanus sp. Da Costa 1778 barnacle | |
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 | |
Scutella fairbanski sand dollar |