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Maniobra, Riverside County, California, USA

Formation	Maniobra
Age:	56.0 - 47.8 Ma Eocene
Interval	Ypresian
Lithology	shale
Number of Collections	13
Number of Occurrences	95

Recorded Sample Locations

Location	Region	Stratigraphic Name
CSUN 662	Riverside County, California, USA	Maniobra
CSUN 668	Riverside County, California, USA	Maniobra
CSUN 665	Riverside County, California, USA	Maniobra
CSUN 671	Riverside County, California, USA	Maniobra
CSUN 667	Riverside County, California, USA	Maniobra
CSUN 669	Riverside County, California, USA	Maniobra
CSUN 670	Riverside County, California, USA	Maniobra
CSUN 672	Riverside County, California, USA	Maniobra
CSUN 673	Riverside County, California, USA	Maniobra
CSUN 674	Riverside County, California, USA	Maniobra
CSUN 675	Riverside County, California, USA	Maniobra
CSUN 676	Riverside County, California, USA	Maniobra
CSUN 677	Riverside County, California, USA	Maniobra

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Rotularia sp. genus	6	Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : *Rotularia*	56 - 47.8 Ma Eocene
Kingena simiensis species	7	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Kingenidae : Kingena : *Kingena simiensis*	56 - 47.8 Ma Eocene
Eogryphus tolmani species	7	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Eogryphus : *Eogryphus tolmani*	56 - 47.8 Ma Eocene
Astrocoenia sp. genus	6	Animalia : Cnidaria : Anthozoa : Scleractinia : Astrocoeniidae : *Astrocoenia*	56 - 47.8 Ma Eocene
Turbinolia dickersoni species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Turbinoliidae : Turbinolia : *Turbinolia dickersoni*	56 - 47.8 Ma Eocene
Glycymeris sagittata species	7	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Glycymeris : *Glycymeris sagittata*	56 - 47.8 Ma Eocene
Acanthocardia (Schedocardia) brewerii species	7	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Acanthocardia : *Acanthocardia (Schedocardia) brewerii*	56 - 47.8 Ma Eocene
Glyptoactis sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : *Glyptoactis*	56 - 47.8 Ma Eocene
Glyptoactis (Claibornicardia) domenginica species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Glyptoactis : *Glyptoactis (Claibornicardia) domenginica*	56 - 47.8 Ma Eocene
Venericardia (Pacificor) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia (Pacificor)*	56 - 47.8 Ma Eocene
Crassatella sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Crassatellidae : *Crassatella*	56 - 47.8 Ma Eocene
Acila (Truncacila) decisa species	7	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : Acila : *Acila (Truncacila) decisa*	56 - 47.8 Ma Eocene
Acutostrea idriaensis species	7	Animalia : Mollusca : Bivalvia : Ostreida : Flemingostreidae : Acutostrea : *Acutostrea idriaensis*	56 - 47.8 Ma Eocene
Odontogryphaea sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : *Odontogryphaea*	56 - 47.8 Ma Eocene
Spondylus carlosensis species	7	Animalia : Mollusca : Bivalvia : Pectinida : Spondylidae : Spondylus : *Spondylus carlosensis*	56 - 47.8 Ma Eocene
Corbula dickersoni species	7	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : Corbula : *Corbula dickersoni*	56 - 47.8 Ma Eocene
Glossus (Meiocardia) susukii species	7	Animalia : Mollusca : Bivalvia : Veneroidei : Glossidae : Glossus : *Glossus (Meiocardia) susukii*	56 - 47.8 Ma Eocene
Meretrix hornii species	7	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Meretrix : *Meretrix hornii*	56 - 47.8 Ma Eocene
Pitar (Lamelliconcha) joaquinensis species	7	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Pitar : *Pitar (Lamelliconcha) joaquinensis*	56 - 47.8 Ma Eocene
Eocernina hannibali species	7	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : Eocernina : *Eocernina hannibali*	56 - 47.8 Ma Eocene
Pachycrommium clarki species	7	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : Pachycrommium : *Pachycrommium clarki*	56 - 47.8 Ma Eocene
Cylichnella tantilla species	7	Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : Cylichnella : *Cylichnella tantilla*	56 - 47.8 Ma Eocene
Conus hornii species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Conidae : Conus : *Conus hornii*	56 - 47.8 Ma Eocene
Clavella tabulata species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Clavella : *Clavella tabulata*	56 - 47.8 Ma Eocene
Favartia sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : *Favartia*	56 - 47.8 Ma Eocene
Domenginella sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : *Domenginella*	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
Lyria andersoni species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : Lyria : *Lyria andersoni*	56 - 47.8 Ma Eocene
Volutilithes orocopiaensis species	7	Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : Volutilithes : *Volutilithes orocopiaensis*	56 - 47.8 Ma Eocene
Calyptraea sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Calyptraeidae : *Calyptraea*	56 - 47.8 Ma Eocene
Galeodea (Mambrinia) gallica species	7	Animalia : Mollusca : Gastropoda : Cassidae : Galeodea : *Galeodea (Mambrinia) gallica*	56 - 47.8 Ma Eocene
Galeodea louella species	7	Animalia : Mollusca : Gastropoda : Littorinimorpha : Cassidae : Galeodea : *Galeodea louella*	56 - 47.8 Ma Eocene
Eocypraea maniobraensis species	7	Animalia : Mollusca : Gastropoda : Littorinimorpha : Ovulidae : Eocypraea : *Eocypraea maniobraensis*	56 - 47.8 Ma Eocene
Ficopsis remondii species	7	Animalia : Mollusca : Gastropoda : Ficidae : Ficopsis : *Ficopsis remondii*	56 - 47.8 Ma Eocene
Amaurellina caleocia species	7	Animalia : Mollusca : Gastropoda : Architaenioglossa : Ampullinidae : Amaurellina : *Amaurellina caleocia*	56 - 47.8 Ma Eocene
Velates perversus species	7	Animalia : Mollusca : Gastropoda : Cycloneritida : Neritidae : Velates : *Velates perversus*	56 - 47.8 Ma Eocene
Chedevillia saltonensis species	7	Animalia : Mollusca : Gastropoda : Littorinimorpha : Hippochrenidae : Chedevillia : *Chedevillia saltonensis*	56 - 47.8 Ma Eocene
Ectinochilus (Vaderos) sp. subgenus	6.3	Animalia : Mollusca : Gastropoda : Strombidae : Rimella : *Ectinochilus (Vaderos)*	56 - 47.8 Ma Eocene
Arene mcleani species	7	Animalia : Mollusca : Gastropoda : Turbinidae : Arene : *Arene mcleani*	56 - 47.8 Ma Eocene
Homalopoma wattsi species	7	Animalia : Mollusca : Gastropoda : Turbinidae : Homalopoma : *Homalopoma wattsi*	56 - 47.8 Ma Eocene
Campanile sp. genus	6	Animalia : Mollusca : Gastropoda : Campanilidae : *Campanile*	56 - 47.8 Ma Eocene
Campanilopa dilloni species	7	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Campanilidae : Campanile : *Campanilopa dilloni*	56 - 47.8 Ma Eocene
Bittium preussi species	7	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Cerithiidae : Bittium : *Bittium preussi*	56 - 47.8 Ma Eocene
Loxotrema turritum species	7	Animalia : Mollusca : Gastropoda : Melanopsidae : Loxotrema : *Loxotrema turritum*	56 - 47.8 Ma Eocene
Turritella andersoni species	7	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella andersoni*	56 - 47.8 Ma Eocene
Turritella buwaldana species	7	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella buwaldana*	56 - 47.8 Ma Eocene
Turritella meganosensis species	7	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella meganosensis*	56 - 47.8 Ma Eocene
Turritella uvasana species	7	Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : *Turritella uvasana*	56 - 47.8 Ma Eocene
Dentalium stramineum species	7	Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : Dentalium : *Dentalium stramineum*	56 - 47.8 Ma Eocene

References

Squires R. L., Advocate D. M. (1986) New Early Eocene Mollusks from the Orocopia Mountains, Southern California, Journal of Paleontology 60 4, 851-864

Squires R. L. (1991) Molluscan Paleontology of the Lower Eocene Maniobra Formation, Orocopia Mountains, Southern California, Eocene Geologic History San Diego Region, Pacific Section SEPM 68, 217-226

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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