UCMP loc. A320, Santa Ynez River (Miocene of the United States)

Where: Ventura County, California (34.6° N, 120.2° W: paleocoordinates 33.6° N, 113.9° W)

• coordinate estimated from map

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

• All zones present.

Environment/lithology: coastal; mixed carbonate-siliciclastic sediments

Size class: macrofossils

Collected by W. H. Corey, J. R. Dorrance, Wayne Loel, and Victor Barlow; 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 238179: authorized by Jonathan Marcot, entered by Jonathan Marcot on 14.01.2025

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
  -
Mammalia indet. Linnaeus 1758 mammal
"Pinniped and Cetacean bones in quantities"
Echinoidea
 Clypeasteroida - Echinarachniidae
"Scutella vaquerosensis" = Vaquerosella vaquerosensis, "Scutella fairbanksi" = Kewia fairbanksi
"Scutella vaquerosensis" = Vaquerosella vaquerosensis Kew 1920 sand dollar
"Scutella fairbanksi" = Kewia fairbanksi Arnold 1907 sand dollar
questionable occurrence
 Spatangoida - Schizasteridae
Schizaster sp. Agassiz 1835 heart urchin
Thecostraca
 Balanomorpha - Balanidae
Balanus sp. Da Costa 1778 barnacle
Gastropoda
 Cerithioidea - Turritellidae
Turritella inezana Conrad 1857 turret shell
 Sorbeoconcha - Xenophoridae
Xenophora hawleyi Loel and Corey 1932 carrier shell
 Neogastropoda - Muricidae
Purpura topangensis Arnold 1907 murex snail
"Rapana vaquerosensis" = Califrapana vaquerosensis Arnold 1908 murex snail
 Neogastropoda - Cancellariidae
"Cancellaria dalliana" = Cancellaria (Euclia) dalliana
"Cancellaria dalliana" = Cancellaria (Euclia) dalliana Anderson 1905 snail
 Neotaenioglossa - Calyptraeidae
Crepidula cf. praerupta Conrad 1849 slipper shell
Bivalvia
 Ostreida - Pinnidae
Pinna (Pinna) stocktoni Loel and Corey 1932 oyster
 Ostreida - Gryphaeidae
"Ostrea eldridgei" = Crenostrea eldridgei, "Ostrea eldridgei ynezana" = Pycnodonte (Pycnodonte) ynezana
"Ostrea eldridgei" = Crenostrea eldridgei Arnold 1907 oyster
"Ostrea eldridgei ynezana" = Pycnodonte (Pycnodonte) ynezana Loel and Corey 1932 oyster
 Ostreida - Ostreidae
"Ostrea vaquerosensis" = Crassostrea vaquerosensis, "Ostrea titan subtitan" = Striostrea subtitan
"Ostrea vaquerosensis" = Crassostrea vaquerosensis Loel and Corey 1932 oyster
"Ostrea titan subtitan" = Striostrea subtitan Loel and Corey 1932 oyster
 Pectinida - Anomiidae
Anomia vaquerosensis Loel and Corey 1932 jingle
 Pectinida - Pectinoidae
Spondylus perrini, "Pecten (Pecten) hawleyi" = Flabellipecten hawleyi, "Pecten (Lyropecten) miguelensis" = Lyropecten miguelensis, "Pecten (Lyropecten) miguelensis submiguelensis" = Lyropecten pretiosus, Pecten (Pecten) vanvlecki, "Pecten (Lyropecten) magnolia" = Macrochlamis magnolia, "Pecten (Chlamys) sespeensis" = Chlamys sespeensis
Spondylus perrini Wiedey 1928 scallop
"Pecten (Pecten) hawleyi" = Flabellipecten hawleyi Hertlein 1925 scallop
"Pecten (Lyropecten) miguelensis" = Lyropecten miguelensis Arnold 1906 scallop
"Pecten (Lyropecten) miguelensis submiguelensis" = Lyropecten pretiosus Hertlein 1925 scallop
Pecten (Pecten) vanvlecki Arnold 1908 scallop
"Pecten (Lyropecten) magnolia" = Macrochlamis magnolia Conrad 1857 scallop
"Pecten (Chlamys) sespeensis" = Chlamys sespeensis Arnold 1906 scallop
 Mytilida - Mytilidae
"Modiolus ynezianus" = Modiolus (Modiolus) ynezianus, "Mytilus expansus" = Crenomytilus expansus
"Modiolus ynezianus" = Modiolus (Modiolus) ynezianus Arnold 1908 mussel
"Mytilus expansus" = Crenomytilus expansus Arnold 1907 mussel
 Carditida - Crassatellidae
"Crassatellites granti" = Hybolophus granti
"Crassatellites granti" = Hybolophus granti Wiedey 1928 clam
 Lucinida - Lucinidae
"Phacoides (Miltha) sanctaecrucis" = Miltha (Miltha) sanctaecrucis
"Phacoides (Miltha) sanctaecrucis" = Miltha (Miltha) sanctaecrucis Arnold 1909 clam
 Solenida - Solenidae
"Solen gravidus baileyi" = Solena (Plectosolen) gravidus baileyi
"Solen gravidus baileyi" = Solena (Plectosolen) gravidus baileyi Loel and Corey 1932 clam
 Cardiida - Cardiidae
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense Arnold 1908 cockle
 Cardiida - Veneridae
Dosinia (Dosinidia) margaritana projecta, "Chione temblorensis subtemblorensis" = Chione (Chionopsis) temblorensis, Tivela (Pachydesma) inezana, "Clementia (Egesta) pertenuis conradiana" = Clementia conradiana
Dosinia (Dosinidia) margaritana projecta Loel and Corey 1932 venus clam
"Chione temblorensis subtemblorensis" = Chione (Chionopsis) temblorensis Anderson 1905 venus clam
Tivela (Pachydesma) inezana Conrad 1856 venus clam
"Clementia (Egesta) pertenuis conradiana" = Clementia conradiana Anderson 1905 venus clam