UCMP loc. 2142, Corona: Late/Upper Turonian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Epitoniidae
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Epitonium sp.
Bolten 1798
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Gastropoda
- Aporrhaidae
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Aporrhais vetus
Packard 1922
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3 specimens | ||||||
| recombined as Alarimella veta | |||||||
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Alaria nodosa
Packard 1922
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| recombined as Latiala nodosa | |||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panope californica n. sp.
Packard 1922
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Bivalvia
- Arcida
- Cucullaeidae
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? Cucullaea sp.
Lamarck 1801
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Cephalopoda
- Ammonitida
- Collignoniceratidae
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Subprionocyclus cf. normalis
(Anderson 1958)
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Matsumoto 1960 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Orange |
| Coordinates: | 33.9° North, 117.6° West (view map) | ||||
| Paleocoordinates: | 35.1° North, 81.8° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Late/Upper Turonian | ||
| Age range of interval: | 93.90000 - 89.80000 m.y. ago |
Stratigraphy
| Formation: | Ladd | Member: | Holz | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Holz Shale Mbr of Ladd Fm. Lithostratigraphy not discussed here, but revised details can be found in Squires and Saul (2001). AGE: Late Turonian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From lower portion of lower shale = lower part of Holz Shale Mbr. | |||||
Lithology and environment
| Primary lithology: | lithified "shale" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Shale. LITHIFICATION: Lithified, based on figured specimens. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: No environmental reported. Presumably shallow-water siliciclastic marine. | |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| 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 |
| Collection method comments: COLLECTOR: E. L. Packard, 1922. REPOSITORY: UC = presumably UCMP. | |
| Taxonomic list comments:COVERAGE: Exhaustive for ammonoidea, other taxa may be present. NOMENCLATURE: Authoritative publication, somewhat antiquated nomenclature, with species-level identifications. | |
Metadata
| Database number: | 86860 | ||
| Authorizer: | A. Hendy, P. Wagner, J. Marcot | Enterer: | A. Hendy, P. Wagner, J. Marcot |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2009-02-21 22:18:31 | Last modified: | 2021-06-27 16:40:05 |
| Access level: | the public | Released: | 2009-02-21 22:18:31 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 64742. | E. L. Packard. 1922. New species from the Cretaceous of the Santa Ana Mountains, California. University of California Publications, Bulletin of the Department of Geological Sciences 13(10):413-462 [J. Marcot/J. Marcot] |
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] | |
| 58802 | L. R. Saul. 1998. Eight Aporrhaid gastropod species from the Cretaceous of the Pacific Slope of North America and clarification of the type species of Perissoptera. The Nautilus 111(4):119-142 [P. Wagner/P. Wagner] |