South Oak Ridge area [Vaqueros Fm] (Miocene of the United States)
Where: Ventura County, California (34.3° N, 118.8° W: paleocoordinates 33.4° N, 112.6° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Vaqueros Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• LITHOSTRATIGRAPHY: From the Vaqueros Fm, which overlies the the Sespe Fm (Eocene-Miocene). AGE: Early Miocene, presumably on the basis of molluscan and foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: From the Turritella inezana zone in the upper part of the Vaqueros Fm.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; argillaceous sandstone
• ENVIRONMENT: From rather shallow siliciclastic marine facies on the basis of faunal composition.
• SPECIFIC LITHOLOGY: Massive argillaceous sandstones. LITHIFICATION: Unknown.
Size class: macrofossils
Collected by Corey; reposited in the UCMP
Collection methods: surface (in situ),
• COLLECTOR: Corey. REPOSITORY: Not stated in text, but probably UCMP.
Primary reference: J. A. Cushman and L. W. Leroy. 1938. A microfauna from the Vaqueros Formation, Lower Miocene, Simi Valley, Ventura County, California. Journal of Paleontology 12(2):117-126 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 91374: authorized by Austin Hendy, entered by Austin Hendy on 16.09.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
• COVERAGE: Exhaustive for macrofossils; microfossils known to be present. NOMENCLATURE: Authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications.
Show authors, comments, and common names
| Mammalia | |
|
Pinnipedia indet. pinniped | |
|
Cetacea indet. Brisson 1762 whale | |
| Echinoidea | |
"Scutella fairbanksi" = Kewia fairbanksi
"Scutella fairbanksi" = Kewia fairbanksi Arnold 1907 sand dollar | |
| Bryozoa | |
|
Bryozoa indet. Ehrenberg 1831 | |
| Bivalvia | |
"Modiolus ynezianus" = Modiolus (Modiolus) ynezianus
"Modiolus ynezianus" = Modiolus (Modiolus) ynezianus Arnold 1908 mussel | |
"Arca santaclarana" = Scapharca (Cunearca) santaclarana
"Arca santaclarana" = Scapharca (Cunearca) santaclarana Loel and Corey 1932 ark | |
"Ostrea vaquerosensis" = Crassostrea vaquerosensis
"Ostrea vaquerosensis" = Crassostrea vaquerosensis Loel and Corey 1932 oyster | |
"Ostrea eldridgei" = Crenostrea eldridgei
"Ostrea eldridgei" = Crenostrea eldridgei Arnold 1907 oyster | |
"Pecten magnolia" = Macrochlamis magnolia, "Pecten sespeensis" = Chlamys sespeensis, "Pecten andersoni" = Pacipecten andersoni
"Pecten magnolia" = Macrochlamis magnolia Conrad 1857 scallop
"Pecten sespeensis" = Chlamys sespeensis Arnold 1906 scallop
"Pecten andersoni" = Pacipecten andersoni Arnold 1906 scallop | |
|
Anomia vaquerosensis Loel and Corey 1932 jingle | |
"Phacoides sanctaecrucis" = Miltha (Miltha) sanctaecrucis, Lucina wattsi, "Phacoides acutilineatus" = Lucinoma acutilineata
"Phacoides sanctaecrucis" = Miltha (Miltha) sanctaecrucis Arnold 1909 clam
Lucina wattsi Loel and Corey 1932 clam
"Phacoides acutilineatus" = Lucinoma acutilineata Conrad 1849 clam | |
"Cardium vaquerosensis" = Dallocardia vaquerosense
"Cardium vaquerosensis" = Dallocardia vaquerosense Arnold 1908 cockle | |
Macoma nasuta, "Macoma arctata" = Macoma (Psammacoma) arctata
Macoma nasuta Conrad 1837 tellin clam
"Macoma arctata" = Macoma (Psammacoma) arctata Conrad 1849 tellin clam | |
"Diplodonta harfordi" = Felaniella (Felaniella) harfordi, Diplodonta cf. orbella
"Diplodonta harfordi" = Felaniella (Felaniella) harfordi Anderson 1905 clam
Diplodonta cf. orbella Gould 1851 clam | |
"Chione temblorensis" = Chione (Chionopsis) temblorensis, Dosinia cf. merriami, Transennella cf. joaquinensis, "Clementia pertenuis" = Clementia (Egesta) pertenuis
"Chione temblorensis" = Chione (Chionopsis) temblorensis Anderson 1905 venus clam
Dosinia cf. merriami Clark 1915 venus clam
Transennella cf. joaquinensis Anderson and Martin 1914 venus clam
"Clementia pertenuis" = Clementia (Egesta) pertenuis Gabb 1864 venus clam | |
"Mactra cf. sectoris" = Mactromeris sectoris
"Mactra cf. sectoris" = Mactromeris sectoris Anderson and Martin 1914 clam | |
| Gastropoda | |
|
Acteon sp. Montfort 1810 snail | |
"Terebra santana" = Clavocerithium santana
"Terebra santana" = Clavocerithium santana Loel and Corey 1932 cerith snail | |
|
Turritella inezana Conrad 1857 turret shell | |
"Polinices recluzianus" = Glossaulax reclusiana
"Polinices recluzianus" = Glossaulax reclusiana Deshayes 1839 moon snail | |
|
Nassarius sp. Duméril 1806 snail | |
"Olivella pedroana" = Callianax pedroana
"Olivella pedroana" = Callianax pedroana Conrad 1855 olive snail | |
"Rapana vaquerosensis" = Califrapana vaquerosensis
"Rapana vaquerosensis" = Califrapana vaquerosensis Arnold 1908 murex snail | |
|
Crepidula diminutiva Loel and Corey 1932 slipper shell
Calyptraea inornata Gabb 1869 slipper shell
Calyptraea filosa Gabb 1866 slipper shell | |
| Thecostraca | |
|
Balanus sp. Da Costa 1778 barnacle | |
| Foraminifera | |
|
Globigerina sp. d'Orbigny 1826 | |
| Nodosariata | |
"Lagena clavata" = Hyalinonetrion clavatum
"Lagena clavata" = Hyalinonetrion clavatum Millett 1901 | |
|
Dentalina cf. pauperata d'Orbigny 1846
Robulus nikobarensis Schwager 1866
Robulus mayi Cushman and Parker 1931
Lagena substriata Williamson 1848
Lagena sulcata Williamson 1848 | |
| Foraminifera | |
|
Cyclammina cf. incisa Stache 1864 | |
"Marginulina dubia" = Cristellaria (Marginulina)
"Marginulina dubia" = Cristellaria (Marginulina) | |
| Globothalamea | |