Also known as LACMIP Loc. 8181, LACMIP loc. 10877; UCLA loc. 4207, LACMIP Loc. 24207; Locality 71b of Schoellhamer et al., 1981
Where: Orange County, California (33.7° N, 117.6° W: paleocoordinates 39.4° N, 87.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Pleasants Member (Williams Formation), Late/Upper Campanian (83.5 - 70.6 Ma)
• LITHOSTRATIGRAPHIC RELATIONS: From the Pleasants Sandstone, for which lithostratigraphic relationships are not discussed. AGE: Upper Campanian in text; on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: Not stated in text.
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified sandstone
Size class: macrofossils
Collected by Popenoe in 1933; reposited in the LACM
Collection methods: surface (in situ),
• COLLECTOR: Popenoe, 1933. REPOSITORY: California Institute of Technology (at the time).
Primary reference: W. P. Popenoe. 1942. Upper Cretaceous formations and faunas of southern California. Bulletin of the American Association of Petroleum Geologists 26(2):162-187 [J. Marcot/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 86794: authorized by Austin Hendy, entered by Austin Hendy on 17.02.2009, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Metaplacenticeras pacificum Smith 1900 ammonite | |
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Gastropoda | |
Gyrodes expansa Gabb 1864 moon snail | |
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"Fulgur hilgardi" = Pentzia hilgardi8
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Odostomia santana Packard 1922 snail | |
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"Margarites ornatissima" = Atira ornatissima
"Margarites ornatissima" = Atira ornatissima Gabb 1864 snail | |
Bivalvia | |
"Acila demessa" = Acila (Truncacila) demessa8
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"Trigonocallista bowersiana" = Calva (Egelicalva) bowersiana, "Calva bowersiana" = Calva (Egelicalva) bowersiana8, Legumen ooides, "Flaventia lens" = Paraesa lens8
"Trigonocallista bowersiana" = Calva (Egelicalva) bowersiana Cooper 1894 venus clam
Legumen ooides Gabb 1864 venus clam | |
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