UCMP 3573 - NW of Vacaville (Eocene of the United States)

Also known as UCMP V71128

Where: Solano County, California (38.5° N, 121.7° W: paleocoordinates 42.4° N, 103.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ypresian (56.0 - 47.8 Ma)

• The invertebrate faunas from these localities have been assigned to the Capay stage of the Californian marine Eocene by Merriam and Turner (1937) and are correlative with one another and with faunas from the Cerros shale member of the Lodo formation, north of Coalinga, and from glauconitic shales and sandstones at Marysville Buttes.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; pyritic, gray, green, carbonaceous shale

• yellowish-gray sandstones and conglomerates

Size classes: macrofossils, mesofossils

Collected by E. M. Parks, B. L. Clark, D. B. Kemper Palmer; reposited in the UCMP

Primary reference: D. B. K. Palmer. 1923. A fauna from the Middle Eocene shales near Vacaville, California. University of California Publications, Bulletin of the Department of Geological Sciences 14(8):289-318 [A. Hendy/A. Hendy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 201621: authorized by Jonathan Marcot, entered by Jonathan Marcot on 16.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Nodosariata
 Nodosariida - Nodosariidae
Nodosaria soluta Reuss 1851
Nodosaria raphanus Brady 1884
"Nodosaria pauperata" = Dentalina pauperata d'Orbigny 1846
Foraminifera
 Lituolida - Lituolidae
"Nonionina clarki n. sp." = Cyclammina clarki
"Nonionina clarki n. sp." = Cyclammina clarki Hanna 1923
  -
Cristellaria kemperi n. sp. Hanna 1923
Cristellaria vacavillensis n. sp. Hanna 1923
Marginulina cushmani n. sp. Hanna 1923
 Discorbacea - Eponididae
Pulvinulina helicella n. sp. Hanna 1923
 Rotaliacea - Rotaliidae
Anthozoa
 Scleractinia - Micrabaciidae
? Stephanophyllia vacavillensis n. sp. Palmer 1923 stony coral
Stephanophyllia californica Nomland 1916 stony coral
 Scleractinia - Turbinoliidae
Turbinolia dickersoni Nomland 1916 stony coral
 Scleractinia - Caryophylliidae
"Trochocyathus merriami" = Platytrochus merriami
"Trochocyathus merriami" = Platytrochus merriami Nomland 1916 stony coral
Gastropoda
 Cerithioidea - Cerithiidae
Bittium (Semibittium) quadricingulatum n. sp. Palmer 1923 cerith snail
 Neogastropoda - Olividae
Ancilla meganosensis n. sp. Palmer 1923 olive snail
Ancilla vacavillensis n. sp. Palmer 1923 olive snail
 Neogastropoda - Buccinidae
Metula (Celatoconus) vacavillensis n. sp. Palmer 1923 true whelk
Janiopsis californensis n. sp. true whelk
 Neogastropoda - Fasciolariidae
Euthriofusus crescentis n. sp. Palmer 1923 snail
 Neogastropoda - Mangeliidae
? Mangilia vacavillensis n. sp. Palmer 1923 snail
 Sorbeoconcha - Ficidae
Ficopsis furlongi n. sp. Palmer 1923 fig shell
 Sorbeoconcha - Naticidae
? Natica sp. Scopoli 1777 moon snail
 Sorbeoconcha - Rissoidae
Turbella elegans n. sp. Palmer 1923 snail
 Heterostropha - Acteonidae
Tornatellaea vacavillensis n. sp. Palmer 1923 snail
Acteon vacavilleneis n. sp. snail
 Heterostropha - Pyramidellidae
Turbonilla dunnensis n. sp. Palmer 1923 snail
Syrnola concava n. sp. Palmer 1923 snail
Syrnola unicostata n. sp. Palmer 1923 snail
Odontostomia dunnensis n. sp. Palmer 1923 snail
Odontostomia vacavillensis n. sp. Palmer 1923 snail
 Opisthobranchia - Cylichnidae
? Scaphander sp. Monfort 1810 snail
Bivalvia
 Pectinida - Propeamussiidae
"Pecten (Propeamusium) vacavillensis n. sp." = Propeamussium interradiatum
"Pecten (Propeamusium) vacavillensis n. sp." = Propeamussium interradiatum Gabb 1869 mud scallop
 Solemyida - Solemyidae
"? Solemya dunnensis n. sp." = Acharax dunnensis
"? Solemya dunnensis n. sp." = Acharax dunnensis Palmer 1923 Awning Clam
 Nuculanida - Sareptidae
"Yoldia mosesi n. sp." = Portlandia (Portlandia) mosesi
"Yoldia mosesi n. sp." = Portlandia (Portlandia) mosesi Palmer 1923 clam
Scaphopoda
 Gadilida - Gadilidae
Cadulus meganosensis n. sp. Palmer 1923 tusk shell
 Dentaliida - Dentaliidae
Dentalium vacavillensis n. sp. Palmer 1923 tusk shell
Dentalium stramineum Gabb 1864 tusk shell
Malacostraca
 Decapoda - Raninidae
? Ranina sp. Lamarck 1801 crab
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
"fragments of several Spatangids"