CAS loc. 69106, Roaring River: Early Turonian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Nuculida
- Nuculidae
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Acila (Truncacila) haidana
(Packard in Schenck 1936)
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Squires and Saul 2006 | ||||||
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Bivalvia
- Pholadida
- Corbulidae
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| Squires and Saul 2004 | |||||||
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Gastropoda
- Turritellidae
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Shasta |
| Coordinates: | 40.4° North, 122.5° West (view map) | ||||
| Paleocoordinates: | 47.2° North, 81.0° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Early Turonian | ||
| Age range of interval: | 93.9 - 89.8 m.y. ago |
Stratigraphy
| Formation: | Budden Canyon | Member: | Gas Point | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Gas Point Member of the Budden Canyon Formation. Further details published in Saul (1982) and Squires and Saul 2003, 2004). AGE: Early Turonian based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: From lower part of member. | |||||
Lithology and environment
| Primary lithology: | lithified mudstone |
| Includes fossils? | Y |
| Lithology description: Gray mudstone | |
| Environment: | offshore |
| Geology comments: ENVIRONMENT: In general regarded as shallow water, though some units includes assemblages displaced into deeper waters through turbidity currents. Here assigned to a siliciclastic offshore environment on the basis of lithology. | |
Taphonomy
| Modes of preservation: | body,original aragonite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | CAS |
| Collection method comments: COLLECTOR: P.U. Rodda, 1956. REPOSITORY: CAS, California. | |
| Taxonomic list comments:COVERAGE: Only includes Turritella (Gastropoda), therefore very limited. NOMENCLATURE: Authoritative publication with species-level assignments. | |
Metadata
| Also known as: | LACMIP loc. 23808; LACMIP loc. 23950; UCLA loc. 3808; UCLA loc. 3950 | ||
| Database number: | 69616 | ||
| Authorizer: | A. Hendy, J. Marcot | Enterer: | A. Hendy, J. Marcot |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2007-02-28 07:31:02 | Last modified: | 2025-04-17 14:33:38 |
| Access level: | the public | Released: | 2007-02-28 07:31:02 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 18617. | R. L. Squires and L. R. Saul. 2006. Additions and refinements to Aptian to Santonian (Cretaceous) Turritella (Mollusca: Gastropoda) from the Pacific Slope of North America. The Veliger 48(1):46-60 [A. Miller/A. Hendy] |
Secondary references:
| 76984 | R. L. Squires and L. R. Saul. 2004. Cretaceous corbulid bivalves of the Pacific Slope of North America. The Veliger 47(2):103-129 [J. Marcot/J. Marcot] | |
| 18616 | R. L. Squires and L. R. Saul. 2006. Cretaceous Acila (Truncacila) (Bivalvia: Nuculidae) from the Pacific Slope of North America. The Velliger 48(2):83-104 [A. Miller/A. Hendy] |