USGS M4466 - Wygal Sst Mbr, Temblor Fm: Late/Upper Oligocene, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Tegulidae
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Tegula informal n. sp.
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Bivalvia
- Lucinida
- Lucinidae
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Here excavata
(Carpenter 1857)
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Lucinoma acutilineata
(Conrad 1849)
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Bivalvia
- Cardiida
- Ungulinidae
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Felaniella harfordi
(Anderson 1905)
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| recombined as Felaniella (Felaniella) harfordi | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Amiantis informal n. sp.
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Amiantis ? mathewsoni
(Gabb 1866)
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Pitar (Katherinella) cf. californica
(Clark 1918)
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Dosinia (Dosinia) whitneyi
(Gabb 1866)
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Clementia (Egesta) pertenuis
(Gabb 1864)
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| original and current combination Dosinia pertenuis | ||||||||||
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Bivalvia
- Cardiida
- Mactridae
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Spisula cf. albaria
(Conrad 1848)
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| recombined as Mactromeris albaria | ||||||||||
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? Pseudocardium sp.
Gabb 1866
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Bivalvia
- Cardiida
- Tellinidae
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Tellina (Tellinella) ? tenuilineata
(Clark 1918)
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Macoma arctata
(Conrad 1849)
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| recombined as Macoma (Psammacoma) arctata | ||||||||||
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Heteromacoma rostellata
(Clark 1918)
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| recombined as Psammotreta (Leporimetis) rostellata | ||||||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea ? ramonensis
(Clark 1925)
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Bivalvia
- Solenida
- Solenidae
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Solen aff. gravidus
Clark 1918
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| recombined as Solena (Plectosolen) gravidus | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Vertipecten alexclarki
Addicott 1973
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Bivalvia
- Ostreida
- Gryphaeidae
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Crassostrea eldridgei
(Arnold 1907)
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| recombined as Crenostrea eldridgei | ||||||||||
| SUBSPECIES: C. eldridgei ynezana | ||||||||||
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Bivalvia
- Nuculanida
- Yoldiidae
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Yoldia (Kalayoldia) tenuissima
(Clark 1918)
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| original and current combination Yoldia cooperi tenuissima | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Acila (Truncacila) muta
(Clark 1918)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Kern |
| Coordinates: | 35.5° North, 119.8° West (view map) | ||||
| Paleocoordinates: | 34.1° North, 111.6° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Late/Upper Oligocene | ||
| Age range of interval: | 27.82000 - 23.03000 m.y. ago |
Stratigraphy
| Formation: | Temblor | Member: | Wygal Sandstone | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Wygal Sst Mbr which regionally overlies the Cymric Shale and is overlain by the Santos Shale of the lower (type) Temblor Fm (Late Oligocene-Middle Miocene). THICKNESS: From bed of unknown thickness within member that ranges between 20 and 40 ft in thickness. AGE: Late Oligocene; lower Zemorian foraminiferal staghe, Blakeley molluscan stage. STRATIGRAPHIC POSITION: Collection from about 10-30 ft above the base. | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal lithified sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Fossiliferous sandstone. LITHIFICATION: Lithified based on figured specimens. | |
| Environment: | transition zone/lower shoreface |
| Geology comments: ENVIRONMENT: Warm, shallow-water depositional environment - less than 20 fathoms and possibly much shallower. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | UCMP,USNM |
| Collection method comments: COLLECTORS: W. O. Addicott (1971). REPOSITORY: USGS, USNM and UCMP amongst other collections. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda, bivalvia, and scaphopoda. NOMENCLATURE: Authoritative publication with subgeneric and species level assignments, though slightly antiquated nomenclature. | |
Metadata
| Database number: | 72408 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2007-06-02 21:48:42 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2007-06-02 21:48:42 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24557. | W. O. Addicott. 1973. Oligocene molluscan biostratigraphy and paleontology of the Lower Part of the type Temblor Formation, California. United States Geological Survey Professional Paper 791:1-48 [A. Hendy/A. Hendy/A. Hendy] |