UCMP 3162, upper Deer Valley: Ypresian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Cardiida
- Mactridae
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Spisula tejonensis
Packard 1916
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U category | |||||||||
| recombined as Mactromeris tejonensis | ||||||||||
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Spisula meganosensis n. sp.
Clark and Woodford 1927
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U category | |||||||||
| recombined as Pseudocardium meganosensis | ||||||||||
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Bivalvia
- Cardiida
- Ungulinidae
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Diplodonta cretacea
Gabb 1864
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U category | |||||||||
| recombined as Diplodonta (Diplodonta) cretacea | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Pitar uvasana n. sp.
(Conrad 1855)
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U category | |||||||||
| Subspecies: Pitaria uvasana marhsallensis | ||||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Tellina remondii
Gabb 1864
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U category | |||||||||
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Tellina longa
Gabb 1864
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U category | |||||||||
| recombined as Tellina (Angulus) longa | ||||||||||
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Bivalvia
- Solemyida
- Solemyidae
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Solemya sp.
Children 1823
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U category | |||||||||
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Gastropoda
- Neogastropoda
- Turridae
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Gemmula diabloensis n. sp.
Clark and Woodford 1927
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U category | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Contra Costa |
| Coordinates: | 37.9° North, 121.8° West (view map) | ||||
| Paleocoordinates: | 40.6° North, 104.6° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Ypresian | ||
| Age range of interval: | 56.00000 - 47.80000 m.y. ago |
Stratigraphy
| Formation: | Meganos | ||||
| Local section: | Mount Diablo | Local bed: | D | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "Meganos" faunas represent upper Bulitian and lower Penutian local ages=Ypresian | |||||
Lithology and environment
| Primary lithology: | fine,pebbly lithified calcareous sandstone |
| Includes fossils? | Y |
| Lithology description: Fine, micaceous sandstone, commonly with small pebbles, thinly beeded near bottom, more massive at top, yellow-brown to gray in color. The massive sandstones near top contain lenses of harded calcareous and fossiliferous sandstones. | |
| Environment: | coastal indet. |
| Geology comments: Shallow marine coastal siliciclastic environment | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | UCMP |
| Collection method comments: Collected by Clark and Woodford. Collections reposited at UCMP. | |
| Taxonomic list comments:Identified by Clark and Stewart. | |
Metadata
| Database number: | 52427 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2005-08-05 08:33:41 | Last modified: | 2017-04-18 13:51:12 |
| Access level: | the public | Released: | 2005-08-05 08:33:41 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 14099. | B. L. Clark and A. O. Woodford. 1927. The geology and paleontology of the type section of the Meganos Formation (lower Middle Eocene) of California. University of California Publications in Geological Sciences 17(2):63-142 [A. Miller/A. Hendy/P. Wagner] |