Basal Laguna Seca Sand, LSJU 2245: Paleocene, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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Gastropoda
- Neogastropoda
- Perissityidae
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Cophocara stantoni
Stewart 1927
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= Perissitys stewarti
Zinsmeister 1983
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Popenoe and Saul 1987 | ||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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? Brachysphingus sp.
Gabb 1869
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Fresno |
| Coordinates: | 36.7° North, 120.7° West (view map) | ||||
| Paleocoordinates: | 41.2° North, 99.8° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| 10 m.y. bin: | Cenozoic 1 | ||
| *Period: | Early/Lower Tertiary | ||
| Key time interval: | Paleocene | ||
| Age range of interval: | 66.00000 - 56.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Laguna Seca | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 300 ft. below the base of the Domengine. | |||||
Lithology and environment
| Primary lithology: | lithified sandstone |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Fossils appear to be older than rocks indicating transport. | |
Metadata
| Database number: | 11124 | ||
| Authorizer: | A. Miller, J. Marcot | Enterer: | C. Ferguson, J. Marcot |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2001-07-19 10:31:57 | Last modified: | 2022-01-25 16:03:33 |
| Access level: | the public | Released: | 2001-07-19 10:31:57 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 4090. | J. T. Smith. 1975. Age, Correlation and Possible Tethyan Affinities of Mollusks from the Lodo Formation of Fresno County, California. Paleogene Symposium & Selected Technical Papers: Conference on Future Energy Horizons of the Pacific Coast 464-483 [A. Miller/C. Ferguson] |
Secondary references:
| 24379 | 1% 7220 | W. P. Popenoe and L. R. Saul. 1987. Evolution and classification of the Late Cretaceous-Early Tertiary gastropod Perissitys. Contributions in Science 380:1-37 [W. Kiessling/U. Merkel] |