LACMIP loc. 10096, Alisos Creek (Cretaceous of the United States)

Also known as CIT loc. 1052; UCLA loc. 2326; LACMIP loc. 22326

Where: Orange County, California (33.7° N, 117.6° W: paleocoordinates 39.4° N, 87.8° W)

When: Metaplacenticeras pacificum ammonoid zone, Pleasants Member (Williams Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by W. P. Popenoe in January, 1933; 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 219077: authorized by Jonathan Marcot, entered by Jonathan Marcot on 16.03.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Opisthobranchia - Cylichnidae
"Cylichna cf. costata" = Scaphander (Mirascapha) costatus
"Cylichna cf. costata" = Scaphander (Mirascapha) costatus Gabb 1864 snail
as "Cylichnina cf costata"
 Trochoidea - Turbinidae
"Margarites ornatissima" = Atira ornatissima
"Margarites ornatissima" = Atira ornatissima Gabb 1864 snail
 Cerithioidea - Turritellidae
Turritella chicoensis
Turritella chicoensis Gabb 1864 turret shell
as Turritella chicoensis perrini
 Neogastropoda - Melongenidae
"Fulgur hilgardi" = Pentzia hilgardi
"Fulgur hilgardi" = Pentzia hilgardi White 1889 snail
 Neogastropoda - Volutidae
Volutoderma magna4
Volutoderma magna4 Packard 1922 volute
 Neogastropoda - Perissityidae
Zinsitys kingii2
Zinsitys kingii2 Gabb 1864 snail
 Sorbeoconcha - Naticidae
Gyrodes (Sohlella) pacificus1
Gyrodes (Sohlella) pacificus1 Popenoe et al. 1987 moon snail
 Heterostropha - Ringiculidae
"Oligoptycha obliqua" = Biplica obliqua
"Oligoptycha obliqua" = Biplica obliqua Gabb 1864 snail
Scaphopoda
  -
Dentalium whiteavesi
Dentalium whiteavesi Anderson and Hanna 1935 tusk shell
Bivalvia
 Pectinida - Anomiidae
Anomia lineata
Anomia lineata Gabb 1864 jingle
 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
"Trigonocallista bowersiana" = Calva (Egelicalva) bowersiana, Calva (Calva) campanae3, "Flaventia lens" = Paraesa lens
"Trigonocallista bowersiana" = Calva (Egelicalva) bowersiana Cooper 1894 venus clam
Calva (Calva) campanae3 Saul and Popenoe 1992 venus clam
"Flaventia lens" = Paraesa lens Gabb 1864 venus clam
 Cardiida - Arcticidae
Tenea inflata
Tenea inflata Gabb 1864 clam
"large variety"
 Cardiida - Mactridae
Cymbophora gabbiana, Cymbophora ashburnerii
Cymbophora gabbiana Anderson 1902 clam
Cymbophora ashburnerii Gabb 1864 clam
 Trigoniida - Megatrigonioidae
"Trigonia cf. evansana" = Pterotrigonia evansana
"Trigonia cf. evansana" = Pterotrigonia evansana Meek 1864 clam
1Popenoe et al. 1987; 2Saul 1988; 3Saul and Popenoe 1992; 4Saul and Squires 2008