PBDB Collection

CAS Loc. 1552 - Cholame [Asuncion Gp] (Cretaceous to of the United States)

Where: Kern County, California (35.6° N, 120.0° W: paleocoordinates 41.7° N, 91.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Asuncion Group, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• Small area of Coniacian exposed; Late Campanian or Early Maastrichtian according to Matsumoto (1960).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

• No paleoenvironmental data reported.

• No lithologic data reported. Probably siliciclastic.

Size class: macrofossils

Collection methods: quarrying,

• Collected by Hanna and Henry.

Primary reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44268: authorized by Austin Hendy, entered by Austin Hendy on 07.09.2004, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• Fairly exhaustive list

Show authors, comments, and common names

Bivalvia
Nuculida - Nuculidae	Acila (Truncacila) demessa Acila (Truncacila) demessa Finlay 1927 divaricate nutclam
Arcida - Glycymerididae	Glycymeris sp. Glycymeris sp. Da Costa 1778 clam
Myalinida - Inoceramidae	Inoceramus sp., Inoceramus klamathensis, Inoceramus subundatus Inoceramus sp. Sowerby 1814 clam Inoceramus klamathensis Anderson 1902 clam Inoceramus subundatus Meek 1861 clam
Gastropoda
Sorbeoconcha - Cassiopidae	Glauconia sp. Glauconia sp. Stoliczka 1868 snail
Neogastropoda - Volutidae	cf. Konistra biconica² cf. Konistra biconica² Anderson 1958 volute
Stylommatophora - Bulimulidae	Bulimulus sp. Bulimulus sp. Leach 1814 slug
Cephalopoda
Ammonitida - Baculitidae	Baculites rex¹, Baculites inornatus, Baculites aff. inornatus Baculites rex¹ Anderson 1958 ammonite Baculites inornatus Meek 1862 ammonite Baculites aff. inornatus Meek 1862 ammonite
Ammonitida - Tetragonitidae	"Lytoceras (Tetragonites) kernense n. sp." = Tetragonites popetensis, "Lytoceras (Gaudryceras) aff. cinctum" = Gaudryceras, Lytoceras (Gaudryceras) alamedense "Lytoceras (Tetragonites) kernense n. sp." = Tetragonites popetensis Yabe 1903 ammonite "Lytoceras (Gaudryceras) aff. cinctum" = Gaudryceras ammonite Lytoceras (Gaudryceras) alamedense Smith 1889 ammonite
Ammonitida - Desmoceratidae	Desmophyllites sp., "Desmophyllites siskiyouensis" = Desmophyllites diphylloides, "Desmophyllites selwynianus" = Desmophyllites diphylloides Desmophyllites sp. Spath 1829 ammonite "Desmophyllites siskiyouensis" = Desmophyllites diphylloides Forbes 1846 ammonite "Desmophyllites selwynianus" = Desmophyllites diphylloides Forbes 1846 ammonite
Ammonitida - Pachydiscidae	"Parapachydiscus sp." = Pachydiscus "Parapachydiscus sp." = Pachydiscus Zittel 1884 ammonite large species

¹Matsumoto 1960; ²Saul and Popenoe 1993