CIT loc. 80, Silverado Canyon, Santa Ana Mountains (Cretaceous of the United States)

Also known as LACIMP loc. 8194; F1c of Schoellhamer et al., 1981

Where: Orange County, California (33.7° N, 117.6° W: paleocoordinates 34.7° N, 81.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Baker Canyon Member (Ladd Formation), Turonian (93.9 - 89.8 Ma)

• Ladd Formation, Baker Canyon Sandstone Member. Turonian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone and conglomerate

Size class: macrofossils

Collected by B. N. Moore in 1926; 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: paleoecologic analysis

PaleoDB collection 220935: authorized by Jonathan Marcot, entered by Jonathan Marcot on 26.06.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Glycymerididae
Trigonarca californica, "Glycymeris pacificus" = Glycymeris pacifica
Trigonarca californica Packard 1922 clam
"Glycymeris pacificus" = Glycymeris pacifica Anderson 1902 clam
 Pectinida - Entoliidae
Syncyclonema operculiformis Gabb 1864 scallop
 Pectinida - Limidae
Lima beta Popenoe 1937 file clam
 Cardiida - Veneridae
"Aphrodina arata" = Callistalox arata, "Flaventia zeta" = Paraesa zeta
"Aphrodina arata" = Callistalox arata Gabb 1864 venus clam
questionable occurrence
"Flaventia zeta" = Paraesa zeta Popenoe 1937 venus clam
 Poromyida - Poromyidae
Liopistha anaana Anderson 1902 clam
 Carditida - Crassatellidae
Crassatella gamma Popenoe 1937 clam
 Trigoniida - Megatrigonioidae
Pterotrigonia klamathonia Anderson 1958 clam
Gastropoda
 Architaenioglossa - Ampullinidae
Ampullina pseudoalveata Packard 1922 snail
 Neogastropoda - Sarganidae
Praesargana kennedyi Saul 1996 snail
 Neogastropoda - Volutidae
Varens formosus Saul and Popenoe 1993 volute
 Sorbeoconcha - Aporrhaidae
Latiala nodosa Packard 1922 snail