Also known as LACMIP loc. 10087
Where: Orange County, California (33.7° N, 117.6° W: paleocoordinates 39.4° N, 87.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Turritella chicoensis other zone, Holz Shale Member (Ladd Formation), Middle Campanian (83.5 - 70.6 Ma)
• Ladd Fm., Holz Shale Member [Campanian, Turritella chicoensis assemblage].
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by W.P. Popenoe in 16, 1935; reposited in the LACM
Collection methods: surface (in situ)
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 220925: authorized by Jonathan Marcot, entered by Jonathan Marcot on 26.06.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Parallelodon brewerianus" = Nanonavis breweriana
"Parallelodon brewerianus" = Nanonavis breweriana Gabb 1864 clam | |
"Glycymeris veatchii" = Glycymerita veatchii
"Glycymeris veatchii" = Glycymerita veatchii Gabb 1864 clam | |
"Flaventia lens" = Paraesa lens
"Flaventia lens" = Paraesa lens Gabb 1864 venus clam | |
Gastropoda | |
Turritella chicoensis Gabb 1864 turret shell | |
"Oligoptycha obliqua" = Biplica obliqua
"Oligoptycha obliqua" = Biplica obliqua Gabb 1864 snail |