Where: Ventura County, California (34.3° N, 118.7° W: paleocoordinates 35.1° N, 104.6° W)
• small collection-level geographic resolution
When: Llajas Formation, Lutetian (47.8 - 41.3 Ma)
• The stewart bed is a 1 m thick sandstone unit in the middle of the LLajas formation. Lutetian, chron 21r according to Squires (2001).
• bed-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; bioturbated sandstone
Size class: macrofossils
Reposited in the LACM
Collection methods: bulk,
• Repository: Formerly California State University Northridge (CSUN)
Primary reference: R. L. Squires. 1983. New Mollusks from the Lower Middle Eocene Llajas Formation, Southern California. Journal of Paleontology 57(2):354-362 [L. Ivany/E. Kowalski/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 8013: authorized by Linda Ivany, entered by Elizabeth Kowalski on 12.06.2000, edited by Austin Hendy and Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Sedentaria | |
"Rotularia (Rotularia) tejonensis" = Rotularia (Rotularia) tejonense1
"Rotularia (Rotularia) tejonensis" = Rotularia (Rotularia) tejonense1 Arnold 1909 | |
Bivalvia | |
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"Ostrea idriaensis" = Acutostrea idriaensis1
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"Solena (Eosolen) navacularis" = Solena (Eosolen) novacularis1
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"Nemocardium linteum" = Nemocardium (Nemocardium) linteum1
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Scaphopoda | |
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Gastropoda | |
"Cypraea castacensis" = Grovesia castacensis1
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Clavilithes sp. n. sp.
Clavilithes sp. n. sp. Swainson 1840 snail | |
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"Fusiturricula (Crenaturricula) crenatospira" = Crenaturricula crenatospira1
"Fusiturricula (Crenaturricula) crenatospira" = Crenaturricula crenatospira1 Cooper 1894 snail as Fusiturricula (Crenaturricula) crenatospira domenginica
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"Olequahia domenginica" = Ranella domenginica1
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"Galeodea (Caliagaleodea) californica" = Galeodea californica1, Phalium (Semicassis) tuberculiformis1
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Cymatium janetae n. sp.
Cymatium janetae n. sp. Squires 1983 triton shell | |
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Cephalopoda | |
Kummelonautilus sp.2 Matsumoto 1984 | |
Anthozoa | |
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