UCMP loc. A-3404, Lucas Canyon, a branch of San Juan Canyon: Early/Lower Campanian, California
collected by Nomland, Gestek, & Carlso 1916
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Cypraeidae
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Bernaya (Protocypraea) popenoei n. sp.
Groves 2004
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Cephalopoda
- Ammonitida
- Baculitidae
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Baculites cf. inornatus
Meek 1862
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Matsumoto 1960 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Orange |
| Coordinates: | 33.6° North, 117.5° West (view map) | ||||
| Paleocoordinates: | 39.2° North, 87.7° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Early/Lower Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | Ladd | Member: | Holz Shale | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: The fossiliferous upper part of the member is dominated by sandstone beds deposited in a deepshelf environment (Squires and Saul, 2001). | |||||
Lithology and environment
| Primary lithology: | poorly lithified "shale" |
| Includes fossils? | Y |
| Lithology description: The fossiliferous upper part of the member is dominated by sandstone beds deposited in a deep shelf environment (Squires and Saul, 2001). | |
| Environment: | deep subtidal shelf |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | surface (in situ),survey of museum collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | UCMP | ||
| Collectors: | Nomland, Gestek, & Carlso | Collection dates: | 1916 |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda, other taxa may be present. NOMENCLATURE: Authoritative publication, modern nomenclature, with species-level identifications. | |||
Metadata
| Database number: | 176369 | ||
| Authorizer: | P. Wagner, J. Marcot | Enterer: | P. Wagner, J. Marcot |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2016-02-09 23:47:33 | Last modified: | 2023-06-12 15:43:35 |
| Access level: | the public | Released: | 2016-02-09 23:47:33 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 58004. | L. T. Groves. 2004. New species of Late Cretaceous Cypraeidae (Gastropoda) from California and British Columbia and new records from the Pacific slope. The Nautilus 118(1):43-51 [P. Wagner/P. Wagner] |
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] |