Forbes Shale - Petroleum Creek, Yolo: Coniacian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Heterostropha
- Ringiculidae
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Oligoptycha obliqua
(Gabb 1864)
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| recombined as Biplica obliqua | |||||||
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Gastropoda
- Pseudomelaniidae
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Pseudomelania colusaensis
Anderson 1958
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Gastropoda
- Neogastropoda
- Volutidae
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Volutoderma californica
Dall 1907
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| synonym of Volutoderma averillii | |||||||
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Gastropoda
- Aporrhaidae
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Tessarolax distorta
Gabb 1864
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Gastropoda
- Cypraeidae
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Cypraea aff. kayei
Forbes 1846
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| recombined as Bernaya (Protocypraea) kayei | |||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris veatchii
(Gabb 1864)
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| recombined as Glycymerita veatchii | |||||||
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Bivalvia
- Arcida
- Parallelodontidae
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Parallelodon brewerianus
(Gabb 1864)
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| recombined as Nanonavis breweriana | |||||||
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus aff. chicoensis
Anderson 1958
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Inoceramus aff. whitneyi
Gabb 1869
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Cephalopoda
- Ammonitida
- Baculitidae
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Baculites chicoensis
Trask 1856
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Baculites inornatus
Meek 1862
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Cephalopoda
- Ammonitida
- Diplomoceratidae
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Oxybeloceras petrolense
Anderson 1958
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| recombined as Pseudoxybeloceras petrolense | |||||||
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Cephalopoda
- Ammonitida
- Pachydiscidae
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Canadoceras sp.
Spath 1922
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Desmophyllites aff. siskiyouensis
Anderson 1958
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| synonym of Desmophyllites diphylloides | |||||||
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Hauericeras sp.
de Grossouvre 1894
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Scaphopoda
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Dentalium (Entalis) whiteavesi
Anderson and Hanna 1935
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Yolo |
| Coordinates: | 39.0° North, 122.0° West (view map) | ||||
| Paleocoordinates: | 43.1° North, 86.4° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Coniacian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Coniacian | ||
| Age range of interval: | 89.80000 - 86.30000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lithified "shale" |
| Includes fossils? | Y |
| Lithology description: Shale. | |
| Environment: | marine indet. |
| Geology comments: No paleoenvironmental data reported. | |
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 |
| Collection method comments: Collected by Bennison. | |
| Taxonomic list comments:Fairly exhaustive list. | |
Metadata
| Database number: | 44233 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2004-09-06 11:33:37 | Last modified: | 2020-11-06 14:12:32 |
| Access level: | the public | Released: | 2004-09-06 11:33:37 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11610. | F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378 [A. Miller/A. Hendy/M. Clapham] |