Jergins Oil Company, Chaney Ranch No. 1 (4278 feet and lower): Middle Eocene - Late/Upper Eocene, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Isospondyli
- Cyclolepidae
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Cyclolepoides tuberculatus
David 1946
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| stated range: 4304-4360 feet | ||||||||||
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Actinopteri
- Beloniformes
- Hemiramphidae
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Hemiexocoetus eocenicus
David 1946
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| recombined as Eoexocoetus eocenicus | ||||||||||
| stated range: 4278 feet and deepe | ||||||||||
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Actinopteri
- Carangiformes
- Carangidae
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Caranx orolomaensis
David 1946
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| stated range: 4304-4360 feet | ||||||||||
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Actinopteri
- Kurtiformes
- Denticidae
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Kreyenhagenius joaquinensis
David 1946
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| stated range: 4330 feet and deeper | ||||||||||
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Actinopteri
- Gadiformes
- Bregmacerotidae
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Bregmaceros kreyenhagus
David 1946
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| stated range: 4330 feet and deeper | ||||||||||
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Actinopteri
- Clupeiformes
- Clupeoidei
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Wisslerius sardinelloides
David 1946
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| stated range: 4304-4407 feet | ||||||||||
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? Alosa ganolytoides
David 1946
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| stated range: 4304-4360 feet | ||||||||||
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Pseudoetringus kreyenhagius
David 1946
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| stated range: 4433-4460 feet | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Fresno |
| Coordinates: | 36.6° North, 120.5° West (view map) | ||||
| Paleocoordinates: | 36.4° North, 108.1° West | ||||
| Basis of coordinate: | stated in text |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Key time interval: | Middle Eocene - Late/Upper Eocene | ||
| Age range of interval: | 47.80000 - 33.90000 m.y. ago |
Stratigraphy
| Formation: | Tumey | ||||
| Stratigraphy comments: Fossils from 4278 feet below surface and lower. Age listed in David 1946 as "Eogene" reflecting the author's interpretation of the age of the rocks as late Eocene to potentially early Oligocene. Formation as a whole now regarded as late middle Eocene to Eocene (see chapters in USGS Professional Paper 1713). |
Lithology and environment
| Primary lithology: | "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 191016 | ||
| Authorizer: | P. Holroyd | Enterer: | P. Holroyd |
| Modifier: | P. Holroyd | Research group: | vertebrate |
| Created: | 2018-01-04 01:22:13 | Last modified: | 2018-01-04 01:22:43 |
| Access level: | the public | Released: | 2018-01-04 01:22:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 64378. | L. R. David. 1946. Some typical Upper Eocene fish scales from California. Contributions to Paleontology, Carnegie Institute of Washington Publication 551:47-112 [P. Holroyd/P. Holroyd] |