UCMP loc. A326, San Antonio Creek Canyon (Miocene of the United States)

Where: Ventura County, California (34.4° N, 119.3° W: paleocoordinates 33.4° 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 238171: 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"
Thecostraca
 Balanomorpha - Balanidae
Balanus sp. Da Costa 1778 barnacle
Gymnolaemata
 Cheilostomatida -
Gastropoda
 Cerithioidea - Turritellidae
Turritella inezana sespeensis Arnold 1907 turret shell
 Neogastropoda - Clavatulidae
Turricula cf. ochsneri Anderson and Martin 1914 snail
 Neogastropoda - Muricidae
"Rapana vaquerosensis" = Califrapana vaquerosensis
"Rapana vaquerosensis" = Califrapana vaquerosensis Arnold 1908 murex snail
 Sorbeoconcha - Ficidae
"Ficus (Ficus) cf. modestus" = Ficus modesta, "Ficus (Trophosycon) ocoyanus" = Trophosycon ocoyanum
"Ficus (Ficus) cf. modestus" = Ficus modesta Conrad 1848 fig shell
"Ficus (Trophosycon) ocoyanus" = Trophosycon ocoyanum Conrad 1855 fig shell
questionable occurrence
 Sorbeoconcha - Naticidae
Sinum scopulosum, "Polinices (Neverita) recluzianus andersoni" = Natica (Neverita) recluziana andersoni
Sinum scopulosum Conrad 1849 moon snail
"Polinices (Neverita) recluzianus andersoni" = Natica (Neverita) recluziana andersoni Clark 1918 moon snail
Bivalvia
 Ostreida - Pteriidae
Pteria hertleini Wiedey 1928 pearl oyster
 Ostreida - Pinnidae
Pinna (Pinna) stocktoni Loel and Corey 1932 oyster
 Ostreida - Ostreidae
"Ostrea titan subtitan n. ssp." = Striostrea subtitan
"Ostrea titan subtitan n. ssp." = Striostrea subtitan Loel and Corey 1932 oyster
 Pectinida - Anomiidae
Anomia vaquerosensis Loel and Corey 1932 jingle
 Pectinida - Pectinoidae
Spondylus perrini, "Pecten (Lyropecten) magnolia" = Macrochlamis magnolia, "Pecten (Chlamys) sespeensis" = Chlamys sespeensis
Spondylus perrini Wiedey 1928 scallop
"Pecten (Lyropecten) magnolia" = Macrochlamis magnolia Conrad 1857 scallop
"Pecten (Chlamys) sespeensis" = Chlamys sespeensis Arnold 1906 scallop
 Mytilida - Mytilidae
"Mytilus expansus" = Crenomytilus expansus
"Mytilus expansus" = Crenomytilus expansus Arnold 1907 mussel
 Carditida - Crassatellidae
"Crassatellites granti" = Hybolophus granti
"Crassatellites granti" = Hybolophus granti Wiedey 1928 clam
 Lucinida - Lucinidae
"Phacoides (Lucinoma) acutilineatus" = Lucinoma acutilineata
"Phacoides (Lucinoma) acutilineatus" = Lucinoma acutilineata Conrad 1849 clam
 Cardiida - Cardiidae
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense
"Cardium (Trachycardium) vaquerosensis" = Dallocardia vaquerosense Arnold 1908 cockle
 Cardiida - Veneridae
Dosinia (Dosinella) merriami Clark 1915 venus clam