LACMIP loc. 22896, North Folk Cottonwood Creek area: Hauterivian, California
collected by M. A. Murphy 1951-1953
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Lytoceratidae
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Lytoceras aulaeum
Anderson 1938
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Gastropoda
- Potamididae
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Potamides diadema
Gabb 1864
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Bivalvia
- Ostreida
- Pinnidae
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Pinna pontica
Anderson 1938
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula variata
Gabb 1864
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Shasta |
| Coordinates: | 40.5° North, 122.6° West (view map) | ||||
| Paleocoordinates: | 39.3° North, 71.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Hauterivian | ||
| Age range of interval: | 132.6 - 125.77 m.y. ago |
Stratigraphy
| Formation: | Budden Canyon | Member: | Ogo |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | mudstone |
| Environment: | coastal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | LACM | ||
| Collectors: | M. A. Murphy | Collection dates: | 1951-1953 |
Metadata
| Also known as: | UCLA loc. 2896 | ||
| Database number: | 194156 | ||
| Authorizer: | P. Holroyd, J. Marcot | Enterer: | S. Tremblay, J. Marcot |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2018-06-14 17:59:56 | Last modified: | 2020-12-10 13:28:19 |
| Access level: | the public | Released: | 2018-06-14 17:59:56 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 74711. | M. A. Murphy. 1956. Lower Cretaceous stratigraphic units of Northern California. Bulletin of the American Association of Petroleum Geologists 40(9):2098-2119 [J. Marcot/J. Marcot] |
Secondary references:
| 65883 | R. L. Squires and L. R. Saul. 1997. Review of bivalve genus Plicatula from Cretaceous and Lower Cenozoic strata of California and Baja California. Journal of Paleontology 71(2):287-298 [P. Holroyd/S. Tremblay/P. Wagner] |