Where: Ventura County, California (34.3° N, 118.7° W: paleocoordinates 35.1° N, 104.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Llajas Formation, Lutetian (47.8 - 41.3 Ma)
• From the "Domengine" horizon of the Eocene of Simi Valley.
• group of beds-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified, fine-grained, brown, yellow sandstone
Size class: macrofossils
Collected by R. B. Stewart; reposited in the UCMP
Primary reference: H. G. Schenck. 1931. Cephalopods of the genus Aturia from western North America. University of California Publications, Bulletin of the Department of Geological Sciences 19:435-490 [M. Clapham/K. Okamoto/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 166460: authorized by Matthew Clapham, entered by Kristina Okamoto on 14.02.2015, edited by Jonathan Marcot and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Aturia myrlae Hanna 1927 nautiloid | |
Gastropoda | |
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"Volutocorbis lajollaensis" = Athleta (Volutocorbis)1
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"Galeodea (Caliagaleodea) californica n. sp." = Galeodea californica4
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Bivalvia | |
"Exputens llajasensis n. sp." = Nayadina (Exputens) llajasensis3
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"Ostrea idriaensis" = Acutostrea idriaensis1
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Venericardia (Pacificor) calafia n. sp.5
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"Crassatellites indentata" = Crassatella1
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