UCLA loc. 3015, Mitchell Creek: Late Aptian, 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
- Ptychoceratidae
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Diptychoceras laeve
(Gabb 1869)
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Cephalopoda
- Ammonitida
- Lytoceratidae
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Lytoceras batesi
(Trask 1855)
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Melchiorites indigenes
Anderson 1938
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Melchiorites shastensis
Anderson 1938
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Cephalopoda
- Ammonitida
- Tetragonitidae
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Gabbioceras wintunium
(Anderson 1938)
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Lytoceras argonautarum
Anderson 1902
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| questionable occurrence | ||||||||||
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Phyllopachyceras informal sp. A.
Spath 1925
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Murphy and Rodda 2006 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Shasta |
| Coordinates: | 40.4° North, 122.7° West (view map) | ||||
| Paleocoordinates: | 40.8° North, 73.8° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| 10 m.y. bin: | Cretaceous 2-3 | ||
| Key time interval: | Late Aptian | Ammonoid zone: | Gabbioceras wintunium |
| Age range of interval: | 119.5 - 113 m.y. ago |
Stratigraphy
| Formation: | Budden Canyon | Member: | Chickabilly | ||
| Stratigraphy comments: Upper Chickabilly Member of the Budden Canyon Formation
stages based on Fernando, et al., 2011 |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | LACM | ||
| Collectors: | M. A. Murphy | Collection dates: | summers 1951 - 1953 |
Metadata
| Also known as: | LACMIP loc. 23015; UCR loc. 379 | ||
| Database number: | 216330 | ||
| Authorizer: | J. Marcot | Enterer: | J. Marcot |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2020-12-10 15:10:25 | Last modified: | 2022-05-13 16:27:29 |
| Access level: | the public | Released: | 2020-12-10 15:10:25 |
| 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:
| 81664 | M. A. Murphy and P. U. Rodda. 2006. California Early Cretaceous Phylloceratidae (Ammonoidea). University of California, Riverside, Campus Museum Contribution 7:1-98 [J. Marcot/J. Marcot] |