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Domengine, California, USA

Formation	Domengine
Age:	47.8 - 38.0 Ma Eocene
Interval	Lutetian
Lithology	sandstone, "siliciclastic"
Number of Collections	10
Number of Occurrences	65

Recorded Sample Locations

Location	Region	Stratigraphic Name
UCMP A3821	Contra Costa County, California, USA	Domengine
Jamesburg	Monterey County, California, USA	Domengine
2.5 miles NE of Clayton	Contra Costa County, California, USA	Domengine
UC 672 Parsons Peak	Fresno County, California, USA	Domengine
UCMP A1282	Kings County, California, USA	Domengine
UCMP A3822	Contra Costa County, California, USA	Domengine
West branch Agua Media Creek	Kern County, California, USA	Domengine
UCMP A8196	Kern County, California, USA	Domengine

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Bullaea gabbiana species	7	Bullaea : *Bullaea gabbiana*	56 - 47.8 Ma Eocene
Spiroglyphus sp. genus	6	Animalia : Annelida : Polychaeta : *Spiroglyphus*	47.8 - 41.3 Ma Eocene
Eohemithyris alexi species	7	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Basiliolidae : Eohemithyris : *Eohemithyris alexi*	47.8 - 41.3 Ma Eocene
Platytrochus diabloensis species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Turbinoliidae : Platytrochus : *Platytrochus diabloensis*	47.8 - 41.3 Ma Eocene
Trochocyathus stantoni species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : *Trochocyathus stantoni*	47.8 - 38 Ma Eocene
Cunnolites sp. genus	6	Animalia : Cnidaria : Anthozoa : Scleractinia : Cunnolitidae : *Cunnolites*	47.8 - 41.3 Ma Eocene
Flabellum californicum species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Flabellidae : Flabellum : *Flabellum californicum*	47.8 - 38 Ma Eocene
Turbinolia clarki species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Turbinoliidae : Turbinolia : *Turbinolia clarki*	56 - 47.8 Ma Eocene
Trigonodesma sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Noetiidae : *Trigonodesma*	56 - 47.8 Ma Eocene
Glycymeris rosecanyonensis species	7	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Glycymeris : *Glycymeris rosecanyonensis*	56 - 47.8 Ma Eocene
Acanthocardia (Schedocardia) brewerii species	7	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Acanthocardia : *Acanthocardia (Schedocardia) brewerii*	56 - 47.8 Ma Eocene
Nemocardium (Nemocardium) linteum species	7	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Nemocardium : *Nemocardium (Nemocardium) linteum*	47.8 - 38 Ma Eocene
Gari (Gobraeus) texta species	7	Animalia : Mollusca : Bivalvia : Cardiida : Psammobiidae : Gari : *Gari (Gobraeus) texta*	56 - 47.8 Ma Eocene
Tellina sp. genus	6	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : *Tellina*	56 - 47.8 Ma Eocene
Tellina soledadensis species	7	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Tellina : *Tellina soledadensis*	56 - 47.8 Ma Eocene
Megacardita (Venericor) aragonia species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Megacardita (Venericor) aragonia*	56 - 47.8 Ma Eocene
Venericardia sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : *Venericardia*	47.8 - 38 Ma Eocene
Crassatella uvasana species	7	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : Crassatella : *Crassatella uvasana*	56 - 47.8 Ma Eocene
Here sp. genus	6	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : *Here*	56 - 47.8 Ma Eocene
Miltha packi species	7	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Miltha : *Miltha packi*	56 - 47.8 Ma Eocene
Nuculana (Saccella) gabbii species	7	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Saccella : *Nuculana (Saccella) gabbii*	56 - 47.8 Ma Eocene
Corbula dickersoni species	7	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : Corbula : *Corbula dickersoni*	56 - 47.8 Ma Eocene
Solena (Plectosolen) parallelus species	7	Animalia : Mollusca : Bivalvia : Solenida : Solenidae : Solena : *Solena (Plectosolen) parallelus*	56 - 47.8 Ma Eocene
Diplodonta sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Ungulinidae : *Diplodonta*	56 - 47.8 Ma Eocene
Taras unisulcatus species	7	Animalia : Mollusca : Bivalvia : Venerida : Ungulinidae : Diplodonta : *Taras unisulcatus*	56 - 47.8 Ma Eocene
Pitar (Lamelliconcha) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Pitar : *Pitar (Lamelliconcha)*	56 - 47.8 Ma Eocene
Pitar (Lamelliconcha) joaquinensis species	7	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Pitar : *Pitar (Lamelliconcha) joaquinensis*	56 - 47.8 Ma Eocene
Tivela (Pachydesma) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Tivela : *Tivela (Pachydesma)*	56 - 47.8 Ma Eocene
Kleinacteon sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : *Kleinacteon*	56 - 47.8 Ma Eocene
Cylichnella tantilla species	7	Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : Cylichnella : *Cylichnella tantilla*	56 - 47.8 Ma Eocene
Scaphander costatus species	7	Animalia : Mollusca : Gastropoda : Cephalaspidea : Scaphandridae : Scaphander : *Scaphander costatus*	56 - 47.8 Ma Eocene
Nassa cretacea species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Nassa : *Nassa cretacea*	56 - 47.8 Ma Eocene
Bonellitia megapex species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : Bonellitia : *Bonellitia megapex*	56 - 47.8 Ma Eocene
Conus caleocius species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Conidae : Conus : *Conus caleocius*	56 - 47.8 Ma Eocene
Mitromorpha sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Mitromorphidae : *Mitromorpha*	56 - 47.8 Ma Eocene
Molopophorus sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : *Molopophorus*	56 - 47.8 Ma Eocene
Ancilla (Spirancilla) gabbi species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Spirancilla : *Ancilla (Spirancilla) gabbi*	56 - 47.8 Ma Eocene
Domenginella claytonensis species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Domenginella : *Domenginella claytonensis*	56 - 47.8 Ma Eocene
Terebra californica species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Terebridae : Terebra : *Terebra californica*	56 - 47.8 Ma Eocene
Pleurotoma fresnoensis species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Turris : *Pleurotoma fresnoensis*	56 - 47.8 Ma Eocene
Surculites mathewsonii species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Surculites : *Surculites mathewsonii*	56 - 47.8 Ma Eocene
Turris stocki species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Turris : *Turris stocki*	56 - 47.8 Ma Eocene
Stellaxis cognata species	7	Animalia : Mollusca : Gastropoda : Architectonicidae : Architectonica : *Stellaxis cognata*	56 - 47.8 Ma Eocene
Ranellina pilsbryi species	7	Animalia : Mollusca : Gastropoda : Littorinimorpha : Bursidae : Ranellina : *Ranellina pilsbryi*	56 - 47.8 Ma Eocene
Galeodea tuberculiformis species	7	Animalia : Mollusca : Gastropoda : Littorinimorpha : Cassidae : Galeodea : *Galeodea tuberculiformis*	56 - 47.8 Ma Eocene
Eocypraea (Eocypraea) castacensis species	7	Animalia : Mollusca : Gastropoda : Eocypraeidae : Eocypraea : *Eocypraea (Eocypraea) castacensis*	56 - 47.8 Ma Eocene
Sulcocypraea moumieti species	7	Animalia : Mollusca : Gastropoda : Eocypraeidae : Sulcocypraea : *Sulcocypraea moumieti*	56 - 47.8 Ma Eocene
Acrilla (Ferminoscala) tejonensis species	7	Animalia : Mollusca : Gastropoda : Epitoniidae : Scalina : *Acrilla (Ferminoscala) tejonensis*	56 - 47.8 Ma Eocene
Natica domenginica species	7	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Natica : *Natica domenginica*	56 - 47.8 Ma Eocene
Polinices (Polinices) gesteri species	7	Animalia : Mollusca : Gastropoda : Naticidae : Polinices : *Polinices (Polinices) gesteri*	56 - 47.8 Ma Eocene
Monoplex sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Cymatiidae : *Monoplex*	56 - 47.8 Ma Eocene
Ectinochilus (Macilentos) macilenta species	7	Animalia : Mollusca : Gastropoda : Strombidae : Rimella : *Ectinochilus (Macilentos) macilenta*	56 - 47.8 Ma Eocene
Spirocrypta inornata species	7	Animalia : Mollusca : Gastropoda : Trichotropidae : Spirocrypta : *Spirocrypta inornata*	56 - 47.8 Ma Eocene
Homalopoma sp. genus	6	Animalia : Mollusca : Gastropoda : Trochida : Colloniidae : *Homalopoma*	56 - 47.8 Ma Eocene
Turritella buwaldana species	7	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella buwaldana*	56 - 47.8 Ma Eocene
Antalis sp. genus	6	Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : *Antalis*	56 - 47.8 Ma Eocene
Dentalium stramineum species	7	Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : Dentalium : *Dentalium stramineum*	56 - 47.8 Ma Eocene

References

Vaughan T. W. The Eocene and lower Oligocene coral faunas of the United States with descriptions of a few doubtfully Cretaceous species, United States Geological Survey, Monograph 39, 1-263

Quayle E. H. (1932) Fossil corals of the genus Turbinolia from the Eocene of California, Transactions of the San Diego Society of Natural History 7 10, 91-110

Vokes H. E. (1939) Molluscan faunas of the Domengine and Arroyo Hondo Formations of the California Eocene, Annals of the New York Academy of Sciences 38, 1-246

Durham J. W. (1943) Pacific Coast Cretaceous and Tertiary corals, Journal of Paleontology 17 2, 196-202

Cooper G. A. (1959) Genera of Tertiary and Recent rhynchonelloid brachiopods, Smithsonian Miscellaneous Collections 130 5, 1-90

Dolin C., Dolin L. (1983) Révision des Triviacea et Cypraeacea (Mollusca, Prosobranchia) éocènes récoltés dans les localité de Gan (Tuilerie et Acot) et Bosdarros (Pyrénées-Atlantiques, France), Mededelingen van de Werkgroep voor Tertiaire en Kwartaire Geologie 20 1, 5-48

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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