Also known as LACMIP loc. 7242; LACMIP loc. 40374
Where: Ventura County, California (34.3° N, 118.7° W: paleocoordinates 35.1° N, 104.6° W)
• coordinate estimated from map
• 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; lithified, bioturbated sandstone
Size class: macrofossils
Reposited in the LACM
Collection methods: bulk,
• Repository: formerly CSUN (California State University Northridge)
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 8012: authorized by Linda Ivany, entered by Elizabeth Kowalski on 12.06.2000, edited by Austin Hendy, Matthew Clapham and Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
"Pseudophragmina (Proporocyclina) clarki" = Pseudophragmina clarki3
"Pseudophragmina (Proporocyclina) clarki" = Pseudophragmina clarki3 Cushman 1920 | |
Echinoidea | |
| |
Eupatagus stevensi n. sp.1
| |
Chondrichthyes | |
| |
| |
Sedentaria | |
"Rotularia (Rotularia) tejonensis" = Rotularia (Rotularia) tejonense3
"Rotularia (Rotularia) tejonensis" = Rotularia (Rotularia) tejonense3 Arnold 1909 | |
Rhynchonellata | |
Terebratalia aff. batequia4 Sandy et al. 1995 | |
Bivalvia | |
| |
| |
"Pycnodonte (Phygraea) cf. pacifica" = Phygraea pacifica4
| |
"Ostrea idriaensis" = Acutostrea idriaensis3
| |
Pinna llajasensis n. sp.
Pinna llajasensis n. sp. Squires 1983 oyster | |
| |
| |
"Solena (Eosolen) navacularis" = Solena (Eosolen) novacularis3
| |
Marcia (Mercimonia) bunkeri3, "Pitar uvasana" = Pitar uvasana4, "Pitar (Calpitaria) uvasanus" = Pitar uvasana3
| |
"Acanthocardia (Agnocardia) sorrentoensis" = Agnocardia sorrentoensis4, "Acanthocardia (Schedocardia) brewerii" = Schedocardia brewerii3, "Nemocardium linteum" = Nemocardium (Nemocardium) linteum3
| |
| |
| |
"Claibornites diegoensis" = Claibornites (Claibornites) diegoensis3
| |
| |
| |
Scaphopoda | |
| |
Gastropoda | |
| |
| |
| |
| |
"Ficopsis cooperiana" = Fusus (Hemifusus) cooperii3
| |
Ancistrolepis carolineae n. sp.3
| |
| |
"Eocithara mutica" = Harpa mutica3
| |
| |
"Fusiturricula (Crenaturricula) crenatospira" = Crenaturricula crenatospira3
"Fusiturricula (Crenaturricula) crenatospira" = Crenaturricula crenatospira3 Cooper 1894 snail also as Fusiturricula (Crenaturricula) crenatospira domenginica
| |
| |
| |
| |
Ranella katherineae n. sp. Squires 1983 snail | |
"Galeodea (Caliagaleodea) californica" = Galeodea californica3, Phalium (Semicassis) tuberculiformis3
| |
Cymatium janetae n. sp. Squires 1983 triton shell | |
| |
| |
| |
| |
| |
| |
| |
| |
| |
Cephalopoda | |
Aturia myrlae3 Hanna 1927 | |
Kummelonautilus sp.4 Matsumoto 1984 | |
Anthozoa | |
"Archohelia clarki" = Petrophyllia clarki4
| |
|