UCMP loc. A330, Ojai Valley (Miocene of the United States)

Where: Ventura County, California (34.4° N, 119.2° W: paleocoordinates 33.5° N, 113.0° W)

• coordinate estimated from map

When: Vaqueros Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• Lower Oak Ridge and South Mountain zones

Environment/lithology: coastal; green, silty sandstone

• massive, soft shaley greenish sandstones

Size class: macrofossils

Collected by W. H. Corey, T. L. Bailey, and H. G. Grawburg; reposited in the UCMP

Primary reference: W. Loel and W. H. Corey. 1932. The Vaqueros Formation, Lower Miocene of California. I. Paleontology. University of California Publications, Bulletin of the Department of Geological Sciences 22(3):31-410 [A. Hendy/A. Hendy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 238172: authorized by Jonathan Marcot, entered by Jonathan Marcot on 14.01.2025

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Clypeasteroida - Echinarachniidae
"Scutella fairbanksi" = Kewia fairbanksi
"Scutella fairbanksi" = Kewia fairbanksi Arnold 1907 sand dollar
 Clypeasteroida - Scutasteridae
Scutaster vaquerosensis Loel and Corey 1932 sand dollar
Thecostraca
 Balanomorpha - Balanidae
Balanus sp. Da Costa 1778 barnacle
Gastropoda
 Cerithioidea - Turritellidae
Turritella inezana Conrad 1857 turret shell
Turritella inezana sespeensis Arnold 1907 turret shell
 Neogastropoda - Muricidae
"Rapana vaquerosensis" = Califrapana vaquerosensis
"Rapana vaquerosensis" = Califrapana vaquerosensis Arnold 1908 murex snail
 Sorbeoconcha - Naticidae
"Polinices (Neverita) recluzianus andersoni" = Natica (Neverita) recluziana andersoni
"Polinices (Neverita) recluzianus andersoni" = Natica (Neverita) recluziana andersoni Clark 1918 moon snail
Bivalvia
 Ostreida - Pinnidae
Pinna (Pinna) stocktoni Loel and Corey 1932 oyster
 Pectinida - Anomiidae
Anomia vaquerosensis Loel and Corey 1932 jingle
 Pectinida - Pectinoidae
"Pecten (Lyropecten) vaughani" = Lyropecten vaughani, "Pecten (Plagioctenium) andersoni subandersoni" = Pacipecten andersoni subandersoni, "Pecten (Lyropecten) magnolia" = Macrochlamis magnolia, "Pecten (Chlamys) sespeensis" = Chlamys sespeensis
"Pecten (Lyropecten) vaughani" = Lyropecten vaughani Arnold 1906 scallop
"Pecten (Plagioctenium) andersoni subandersoni" = Pacipecten andersoni subandersoni Loel and Corey 1932 scallop
"Pecten (Lyropecten) magnolia" = Macrochlamis magnolia Conrad 1857 scallop
"Pecten (Chlamys) sespeensis" = Chlamys sespeensis Arnold 1906 scallop
 Arcida - Arcidae
"Arca (Anadara) santaclarana" = Scapharca (Cunearca) santaclarana
"Arca (Anadara) santaclarana" = Scapharca (Cunearca) santaclarana Loel and Corey 1932 ark
 Mytilida - Mytilidae
"Mytilus expansus" = Crenomytilus expansus
"Mytilus expansus" = Crenomytilus expansus Arnold 1907 mussel
 Cardiida - Tellinidae
"Macoma sespeensis" = Macoma (Rexithaerus) sespeensis
"Macoma sespeensis" = Macoma (Rexithaerus) sespeensis Loel and Corey 1932 tellin clam
questionable occurrence
 Cardiida - Veneridae
"Chione temblorensis subtemblorensis" = Chione (Chionopsis) temblorensis, "Antigona vaquerosensis" = Globivenus vaquerosensis
"Chione temblorensis subtemblorensis" = Chione (Chionopsis) temblorensis Anderson 1905 venus clam
"Antigona vaquerosensis" = Globivenus vaquerosensis Loel and Corey 1932 venus clam