Locality 44 - Empire Fm: Early/Lower Pliocene, Oregon
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Mioplejonia oregonensis
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Gastropoda
- Ranellidae
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Argobuccinum cammani
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Gastropoda
- Neogastropoda
- Muricidae
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Nucella decemcostata
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Nucella lamellosa
(Gmelin 1791)
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Fusinus coosensis
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Gastropoda
- Naticidae
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Natica clausa
Broderip and Sowerby 1829
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| synonym of Cryptonatica affinis | |||||||
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Sinum scopulosum
(Conrad 1849)
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| recombined as Sinum scopulosus | |||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula princeps
Conrad 1855
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Bivalvia
- Cardiida
- Tellinidae
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Macoma astori
Dall 1909
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Bivalvia
- Cardiida
- Veneridae
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Marcia oregonensis
Weaver 1912
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| synonym of Katherinella arnoldi | |||||||
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Bivalvia
- Cardiida
- Mactridae
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Spisula albaria
(Conrad 1848)
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| recombined as Mactromeris albaria | |||||||
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Bivalvia
- Solenida
- Solenidae
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Solen sicarius
Gould 1850
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris grewingki
Dall 1909
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Oregon | County: | Coos |
| Coordinates: | 43.4° North, 124.2° West (view map) | ||||
| Paleocoordinates: | 43.4° North, 122.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Pliocene |
| Stage: | Zanclean | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Early/Lower Pliocene | ||
| Age range of interval: | 5.33300 - 3.60000 m.y. ago |
Stratigraphy
| Formation: | Empire | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Empire Fm, which is overlain by the Elk River Fm. THICKNESS: From bed within formation that reaches a thickness of 500 ft. AGE: Miocene according to Arnold and Hannibal (1913). More recent publications (Hertlein and Crickmay, 1925) indicate an Early Pliocene age. STRATIGRAPHIC POSITION: From basal sandstone within formation. | |||||
Lithology and environment
| Primary lithology: | poorly lithified sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Poorly lithified, given facies description and age. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Not stated, but appears to be shallow marine, siliciclastic. | |
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 |
| Collection method comments: COLLECTOR: H. Hannibal (c 1910's). REPOSITORY: Unknown, not stated. | |
| Taxonomic list comments:COVERAGE: Exhaustive for bivalvia, gastropoda, scaphopoda, brachiopoda and echinodermata. NOMENCLATURE: Not an authoritative publication, and antiquated nomenclature, but with species-level assignments. | |
Metadata
| Database number: | 71153 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2007-04-20 05:06:05 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2007-04-20 05:06:03 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23806. | R. Arnold and H. Hannibal. 1913. The marine Tertiary stratigraphy of the North Pacific coast of America. Proceedings of the American Philosophical Society 52(212):559-605 [A. Hendy/A. Hendy] |