CIT loc. 94, Williams Canyon, Santa Ana Mountains (Cretaceous of the United States)

Also known as loc. F34c of Schoellhamer et al., 1981; LACMIP loc. 10101

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: Holz Shale Member (Ladd Formation), Middle Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by W.P. Popenoe in 1935; reposited in the LACM

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 220916: authorized by Jonathan Marcot, entered by Jonathan Marcot on 26.06.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella chicoensis Gabb 1864 turret shell
questionable occurrence
 Sorbeoconcha - Naticidae
Euspira "n. sp. cf. E. shumardiana" Agassiz 1837 moon snail
 Sorbeoconcha - Capulidae
"Lysis californiensis" = Lysis suciensis
"Lysis californiensis" = Lysis suciensis Whiteaves 1879 snail
 Neogastropoda - Volutidae
Volutoderma santana Packard 1922 volute
 Neogastropoda - Perissityidae
Perissitys brevirostris Gabb 1864 snail
Bivalvia
 Nuculida - Nuculidae
"Acila demessa" = Acila (Truncacila) demessa
"Acila demessa" = Acila (Truncacila) demessa Finlay 1927 divaricate nutclam
 Trigoniida - Megatrigonioidae
Pterotrigonia evansana Meek 1864 clam
questionably occurrence
 Lucinida - Mactromyidae
Clisocolus cordatus Whiteaves 1879 clam
 Cardiida - Mactridae
Cymbophora popenoei Saul 1974 clam
 Cardiida - Veneridae
"Flaventia lens" = Paraesa lens
"Flaventia lens" = Paraesa lens Gabb 1864 venus clam
 Carditida - Crassatellidae
 Carditida - Astartidae
Eriphyla ovoides Packard 1922 clam
 Arcida - Cucullaeidae
"Cucullaea youngi" = Cucullaea (Idonearca) youngi
"Cucullaea youngi" = Cucullaea (Idonearca) youngi Waring 1917 clam
 Arcida - Arcidae
Trinacria cor Popenoe 1937 clam
 Arcida - Glycymerididae
"Glycymeris veatchii" = Glycymerita veatchii
"Glycymeris veatchii" = Glycymerita veatchii Gabb 1864 clam
 Pectinida - Anomiidae
Anomia lineata Gabb 1864 jingle