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Imperial - Latrania Sand, California, USA

Formation	Imperial
Member	Latrania Sand
Age:	5.33 - 3.60 Ma Neogene
Interval	Early Pliocene
Lithology	sandstone, sandstone/claystone
Number of Collections	7
Number of Occurrences	102

Recorded Sample Locations

Location	Region	Stratigraphic Name
M9778	Imperial County, California, USA	Imperial - Latrania Sand
Super Creek	Riverside County, California, USA	Imperial - Latrania Sand

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Imperial - Burrobend	7.25 - 5.33 Ma Miocene	sandstone/claystone	1

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Kalolophus antillarum species	7	Kalolophus : *Kalolophus antillarum*	5.333 - 3.6 Ma Neogene
Cetacea order	4	Animalia : Chordata : Mammalia : Cetacea	7.246 - 5.333 Ma Miocene
Solenastrea fairbanksi species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Faviidae : Solenastrea : *Solenastrea fairbanksi*	5.333 - 3.6 Ma Neogene
Toxopneustes sp. genus	6	Animalia : Echinodermata : Echinoidea : Camarodonta : Toxopneustidae : *Toxopneustes*	5.333 - 3.6 Ma Neogene
Clypeasteroida order	4	Animalia : Echinodermata : Echinoidea : Clypeasteroida	5.333 - 3.6 Ma Neogene
Clypeaster sp. genus	6	Animalia : Echinodermata : Echinoidea : Clypeasteroida : Clypeasteridae : *Clypeaster*	5.333 - 3.6 Ma Neogene
Anadara reinharti species	7	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : Anadara : *Anadara reinharti*	5.333 - 3.6 Ma Neogene
Arca sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : *Arca*	5.333 - 3.6 Ma Neogene
Arca pacifica species	7	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : Arca : *Arca pacifica*	5.333 - 3.6 Ma Neogene
Barbatia sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : *Barbatia*	5.333 - 3.6 Ma Neogene
Glycymeris (Glycymeris) gigantea species	7	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Glycymeris : *Glycymeris (Glycymeris) gigantea*	5.333 - 3.6 Ma Neogene
Tucetona (Bellaxinaea) multicostata species	7	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Tucetona : *Tucetona (Bellaxinaea) multicostata*	5.333 - 3.6 Ma Neogene
Ctenocardia sp. genus	6	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : *Ctenocardia*	5.333 - 3.6 Ma Neogene
Strophocardia megastropha species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Strophocardia : *Strophocardia megastropha*	5.333 - 3.6 Ma Neogene
Codakia distinguenda species	7	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Codakia : *Codakia distinguenda*	5.333 - 3.6 Ma Neogene
Divalinga eburnea species	7	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Divalinga : *Divalinga eburnea*	5.333 - 3.6 Ma Neogene
Linga (Pleurolucina) sp. subgenus	6.3	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Linga : *Linga (Pleurolucina)*	5.333 - 3.6 Ma Neogene
Lucinisca nuttalli species	7	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Lucinisca : *Lucinisca nuttalli*	5.333 - 3.6 Ma Neogene
Miltha (Miltha) xantusi species	7	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Miltha : *Miltha (Miltha) xantusi*	5.333 - 3.6 Ma Neogene
Pegophysema edentuloides species	7	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Anodontia : *Pegophysema edentuloides*	5.333 - 3.6 Ma Neogene
Lithophaginae subfamily	5.3	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Lithophaginae	5.333 - 3.6 Ma Neogene
Mytilus sp. genus	6	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : *Mytilus*	5.333 - 3.6 Ma Neogene
Pycnodonte heermanni species	7	Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Pycnodonte : *Pycnodonte heermanni*	5.333 - 3.6 Ma Neogene
Dendostrea vespertina species	7	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Dendostrea : *Dendostrea vespertina*	5.333 - 3.6 Ma Neogene
Ostrea angelica species	7	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : *Ostrea angelica*	5.333 - 3.6 Ma Neogene
Pinna latrania species	7	Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : Pinna : *Pinna latrania*	5.333 - 3.6 Ma Neogene
Argopecten sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : *Argopecten*	5.333 - 3.6 Ma Neogene
Chlamys corteziana species	7	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Chlamys : *Chlamys corteziana*	5.333 - 3.6 Ma Neogene
Euvola keepi species	7	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Euvola : *Euvola keepi*	5.333 - 3.6 Ma Neogene
Spondylus sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Spondylidae : *Spondylus*	5.333 - 3.6 Ma Neogene
Arcinella californica species	7	Animalia : Mollusca : Bivalvia : Venerida : Chamidae : Arcinella : *Arcinella californica*	5.333 - 3.6 Ma Neogene
Chama sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Chamidae : *Chama*	5.333 - 3.6 Ma Neogene
Chione sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Chione*	5.333 - 3.6 Ma Neogene
Cyclinella sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Cyclinella*	5.333 - 3.6 Ma Neogene
Dosinia semiobliterata species	7	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Dosinia : *Dosinia semiobliterata*	5.333 - 3.6 Ma Neogene
Atys sp. genus	6	Animalia : Mollusca : Gastropoda : Cephalaspidea : Haminoeidae : *Atys*	5.333 - 3.6 Ma Neogene
Conus sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Conidae : *Conus*	5.333 - 3.6 Ma Neogene
Agaronia sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Olivellidae : *Agaronia*	5.333 - 3.6 Ma Neogene
Naticidae family	5	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae	5.333 - 3.6 Ma Neogene
Polinices uber species	7	Animalia : Mollusca : Gastropoda : Naticidae : Polinices : *Polinices uber*	5.333 - 3.6 Ma Neogene
Persististrombus obliteratus species	7	Animalia : Mollusca : Gastropoda : Strombidae : Persististrombus : *Persististrombus obliteratus*	5.333 - 3.6 Ma Neogene
Strombus galeatus species	7	Animalia : Mollusca : Gastropoda : Strombidae : Strombus : *Strombus galeatus*	5.333 - 3.6 Ma Neogene
Turritella sp. genus	6	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	5.333 - 3.6 Ma Neogene

References

Thomas H. W., Barnes L. G. (1993) Discoveries of fossil whales in the Imperial Formation, Riverside County, California, San Bernardino County Museum Association Special Publication 93 1, 34-36

Powell C. L. (2008) Pliocene Invertebrates From the Travertine Point Outcrop of the Imperial Formation, Imperial County, California, United States Geological Survey Scientific Investigations 2008 5155, 1-25

Coan E. V., Valentich-Scott P. (2012) Bivalve Seashells of Tropical West America. Marine Bivalve Mollusks from Baja California to Northern Peru, Santa Barbara museum of Natural history monographs 6, 1-1258

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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