CAS Loc. 1552 - Cholame [Asuncion Gp]: Late/Upper Campanian - Early/Lower Maastrichtian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Heterostropha - Bulimulidae
Bulimulus sp. Leach 1814
Gastropoda - Neogastropoda - Volutidae
Palaeatractus crassus Gabb 1869
    = cf. Konistra biconica Anderson 1958
Saul and Popenoe 1993
"a volute resembling Konistra biconica"
Gastropoda - Cassiopidae
Glauconia sp. Stoliczka 1868
invalid subgroup of Cassiopidae
Bivalvia - Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814
Inoceramus subundatus Meek 1861
Inoceramus klamathensis Anderson 1902
Bivalvia - Arcida - Glycymerididae
Glycymeris sp. Da Costa 1778
Bivalvia - Nuculida - Nuculidae
Acila (Truncacila) demessa (Finlay 1927)
Cephalopoda - Ammonitida - Desmoceratidae
Desmophyllites sp. Spath 1829
Desmophyllites siskiyouensis Anderson 1958
synonym of Desmophyllites diphylloides
Desmophyllites selwynianus (Whiteaves 1879)
synonym of Desmophyllites diphylloides
Cephalopoda - Ammonitida - Pachydiscidae
Parapachydiscus sp. Hyatt 1900
synonym of Pachydiscus
large species
Cephalopoda - Ammonitida - Tetragonitidae
Lytoceras (Tetragonites) kernense n. sp. Anderson 1958
synonym of Tetragonites popetensis
Lytoceras (Gaudryceras) aff. cinctum
original and current combination Gaudryceras
Lytoceras (Gaudryceras) alamedense (Smith 1889)
Cephalopoda - Ammonitida - Baculitidae
Baculites inornatus Meek 1862
Baculites aff. inornatus Meek 1862
Baculites rex Anderson 1958
Matsumoto 1960
see common names

Geography
Country:United States State/province:California County:Kern
Coordinates: 35.6° North, 120.0° West (view map)
Paleocoordinates:41.7° North, 91.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Late/Upper Campanian - Early/Lower Maastrichtian
Age range of interval:83.60000 - 66.00000 m.y. ago
Stratigraphy
Geological group:Asuncion
Stratigraphic resolution:bed
Stratigraphy comments: Small area of Coniacian exposed; Late Campanian or Early Maastrichtian according to Matsumoto (1960).
Lithology and environment
Primary lithology: lithified "siliciclastic"
Lithology description: No lithologic data reported. Probably siliciclastic.
Environment:marine indet.
Geology comments: No paleoenvironmental data reported.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: Collected by Hanna and Henry.
Taxonomic list comments:Fairly exhaustive list
Metadata
Database number:44268
Authorizer:A. Hendy, J. Marcot Enterer:A. Hendy, J. Marcot
Modifier:J. Marcot Research group:marine invertebrate
Created:2004-09-07 16:07:50 Last modified:2022-04-13 10:41:33
Access level:the public Released:2004-09-07 16:07:50
Creative Commons license:CC BY
Reference information

Primary reference:
11610. F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378 [A. Miller/A. Hendy/M. Clapham]

Secondary references:

29214 T. Matsumoto. 1960. Upper Cretaceous ammonites of California. Part III. Memoirs of the Faculty of Science, Kyushu University Series D, Geology, Special Volume II 1-204 [A. Hendy/A. Hendy/A. Hendy]
63343 L. R. Saul and W. P. Popenoe. 1993. Additions to Pacific slope Turonian Gastropoda. The Veliger 36(4):351-388 [P. Wagner/P. Wagner]