CAS loc. 27836, Chico Creek: Late/Upper Cretaceous, California
collected by Taff, Hanna, and Cross 1934
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Cardiida
- Veneridae
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Trigonocallista nitida n. sp.
(Gabb 1864)
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= Trigonocallista taffi n. sp.
Anderson 1958
|
Anderson 1958 | ||||||
| recombined as Calva (Egelicalva) taffi | |||||||
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Cephalopoda
- Ammonitida
- Collignoniceratidae
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Butticeras studleyi
Anderson 1958
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Anderson 1958 | ||||||
| recombined as Submortoniceras studleyi | |||||||
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Mortoniceras (Submortoniceras) chicoense
(Trask 1856)
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Anderson 1958 | ||||||
| recombined as Submortoniceras chicoense | |||||||
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Mortoniceras (Submortoniceras) randalli
Anderson 1958
|
Anderson 1958 | ||||||
| synonym of Submortoniceras chicoense | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Butte |
| Coordinates: | 39.9° North, 121.7° West (view map) | ||||
| Paleocoordinates: | 45.9° North, 87.2° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| 10 m.y. bin: | Cretaceous 5-8 | ||
| Key time interval: | Late/Upper Cretaceous | ||
| Age range of interval: | 100.50000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Chico |
Lithology and environment
| Primary lithology: | gray,blue sandstone |
| Secondary lithology: | carbonaceous "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis | ||
| Museum repositories: | CAS | ||
| Collectors: | Taff, Hanna, and Cross | Collection dates: | 1934 |
Metadata
| Database number: | 215430 | ||
| Authorizer: | J. Marcot | Enterer: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2020-11-10 15:01:35 | Last modified: | 2020-11-10 15:01:35 |
| Access level: | the public | Released: | 2020-11-10 15:01:35 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 74314. | J. A. Taff, G. D. Hanna, and C. M. Cross. 1940. Type locality of the Cretaceous Chico formation. Geological Society America Bulletin 51(9):1131-1328 [J. Marcot/J. Marcot] |
Secondary references:
| 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] |