Station 2250 [Sunken Meadow Mbr, Yorktown Fm]: Late/Upper Pliocene, Virginia
collected by Harris 1890
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Carditida
- Carditidae
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Cyclocardia granulata
(Say 1824)
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Bivalvia
- Carditida
- Crassatellidae
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Marvacrassatella undulata
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea reflexa
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Bivalvia
- Cardiida
- Veneridae
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Pleiorytis centenaria
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Bivalvia
- Cardiida
- Cardiidae
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Chesacardium acutilaqueatum
(Conrad 1839)
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Bivalvia
- Pectinida
- Pectinidae
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Chesapecten jeffersonius
(Say 1824)
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea compressirostra
Say 1824
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Bivalvia
- Arcida
- Glycymerididae
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Costaglycymeris subovata
(Say 1824)
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Gastropoda
- Vermetidae
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Serpulorbis granifera
(Say 1824)
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Gastropoda
- Neogastropoda
- Melongenidae
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Busycon maximus
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Busycotypus incile
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Gastropoda
- Neogastropoda
- Muricidae
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Ecphora quadricostata
(Conrad 1830)
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Gloucester |
| Coordinates: | 37.3° North, 76.6° West (view map) | ||||
| Paleocoordinates: | 37.3° North, 75.9° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Pliocene |
| Stage: | Piacenzian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Pliocene | ||
| Age range of interval: | 3.60000 - 2.58000 m.y. ago |
Stratigraphy
| Formation: | Yorktown | Member: | Sunken Meadow | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Sunken Meadow Mbr of the Yorktown Fm, which unconformably overlies regionally the Eastover Fm (Late Miocene), and is unconformably overlain regionally by the Rushmore Mbr of the Yorktown Fm. AGE: Early Pliocene according to Ward (1993). STRATIGRAPHIC POSITION: From unknown position within the Sunken Meadow Mbr. | |||||
Lithology and environment
| Primary lithology: | "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Unknown, probably siliciclastic. LITHIFICATION: Unknown. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Not stated in text, but appears to be relatively shallow shelf depths. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | UNSM | ||
| Collectors: | Harris | Collection dates: | 1890 |
| Collection method comments: COLLECTOR: G.D. Harris, 1890. REPOSITORY: USNM. | |||
| Taxonomic list comments:COVERAGE: Not exhaustive (as commented by Ward 1993, p. 3), but includes fairly comprehensive lists of characteristic gastropods and bivalves. NOMENCLATURE: Lists compiled by R. Arnold, based on identifications by Harris, with nomenclature subsequently revised by Ward to a modern standard, with species-resolution assignments. | |||
Metadata
| Database number: | 78273 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2008-01-31 20:43:57 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2008-01-31 20:43:57 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 26351. | L. W. Ward. 1993. The G.D Harris 1890 manuscript on the stratigraphy of Miocene and Pliocene beds at Yorktown, Virginia. Paleontological Research Institute Special Publication 20:1-118 [A. Hendy/A. Hendy] |