CIT loc. 1053, Santiago Creek (Cretaceous of the United States)

Also known as UCLA loc. 4191; LACMIP loc. 24191; LACMIP loc. 10093; Locality F24c of Schoellhamer et al. 1981

Where: Orange County, California (33.7° N, 117.6° W: paleocoordinates 39.4° N, 87.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Holz Shale Member (Ladd Formation), Early/Lower Campanian (83.5 - 70.6 Ma)

• Early Campanian, Turritella chicoensis holzana Zone, upper part of Holz Shale Member

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by W.P. Popenoe in 1934; 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 3885: authorized by Mark Patzkowsky, entered by Karen Layou on 11.08.1999, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Pachydiscidae
Canadoceras cf. multisulcatum5 Whiteaves 1903 ammonite
Gastropoda
 Heterostropha - Ringiculidae
"Oligoptycha obliqua" = Biplica obliqua
"Oligoptycha obliqua" = Biplica obliqua Gabb 1864 snail
 Opisthobranchia - Cylichnidae
"Cylichna cf. costata" = Scaphander (Mirascapha) costatus
"Cylichna cf. costata" = Scaphander (Mirascapha) costatus Gabb 1864 snail
 Cerithioidea - Turritellidae
Turritella packardi4 Merriam 1941 turret shell
Turritella chicoensis Gabb 1864 turret shell
 Epitonioidea - Epitoniidae
Confusiscala newcombii7 Squires and Saul 2003 wentletrap
from LACMIP loc. 10093, same as CIT loc. 1053
 Sorbeoconcha - Naticidae
"Gyrodes canadensis" = Gyrodes (Sohlella) canadensis5
"Gyrodes canadensis" = Gyrodes (Sohlella) canadensis5 Whiteaves 1903 moon snail
 Neogastropoda - Perissityidae
Forsia baia3 Saul 1988 snail
from LACMIP loc. 10093, same as CIT loc. 1053
Murphitys corona n. sp.2 Popenoe and Saul 1987 snail
 Neogastropoda - Turbinellidae
Fimbrivasum medium6 Squires and Saul 2001 snail
 Neogastropoda - Volutidae
Volutoderma santana Packard 1922 volute
 Sorbeoconcha - Aporrhaidae
Tessarolax ? distorta Gabb 1864 snail
Anchura halberdopsis n. sp.1 Elder and Saul 1996 snail
 Pseudomelanoidea - Pseudomelaniidae
Paosia pentzensis8 Squires and Saul 2004 snail
from LACMIP loc. 10093, same as CIT loc. 1053 (typo? in this ref as 1035)
Bivalvia
 Arcida - Parallelodontidae
"Parallelodon cf. vancouverensis" = Indogrammatodon vancouverensis5
"Parallelodon cf. vancouverensis" = Indogrammatodon vancouverensis5 Meek 1858 clam
 Arcida - Cucullaeidae
"Cucullaea youngi" = Cucullaea (Idonearca) youngi
"Cucullaea youngi" = Cucullaea (Idonearca) youngi Waring 1917 clam
 Arcida - Glycymerididae
"Glycymeris veatchii" = Glycymerita veatchii
"Glycymeris veatchii" = Glycymerita veatchii Gabb 1864 clam
 Cardiida - Veneridae
"Flaventia zeta" = Paraesa zeta
"Flaventia zeta" = Paraesa zeta Popenoe 1937 venus clam
questionable occurrence
 Carditida - Astartidae
Eriphyla lapidis, "Crassatella cf. tuscana" = Astarte tuscana5
Eriphyla lapidis Packard 1922 clam
"Crassatella cf. tuscana" = Astarte tuscana5 Gabb 1864 clam
 Trigoniida - Megatrigonioidae
Pterotrigonia evansana5 Meek 1864 clam