Station 2250 [Rushmere 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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Gastropoda
- Lepetellida
- Fissurellidae
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Diodora redimicula
(Say 1824)
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Gastropoda
- Turritellidae
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Turritella alticostata
Conrad 1834
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| recombined as Turritella (Turritella) alticostata | ||||||||||
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Gastropoda
- Vermetidae
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Serpulorbis granifera
(Say 1824)
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Gastropoda
- Neogastropoda
- Muricidae
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Ecphora quadricostata
(Conrad 1830)
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Trophon tetricus
(Conrad 1832)
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| recombined as Boreotrophon tetricus | ||||||||||
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Gastropoda
- Neogastropoda
- Melongenidae
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Busycotypus incile
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Busycon maximus
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Peristernia filicata
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Bivalvia
- Carditida
- Crassatellidae
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Marvacrassatella undulata
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Bivalvia
- Carditida
- Carditidae
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Carditamera arata
(Conrad 1832)
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Cyclocardia granulata
(Say 1824)
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Bivalvia
- Carditida
- Astartidae
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Astarte undulata
Say 1824
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| recombined as Astarte (Ashtarotha) undulata | ||||||||||
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Astarte concentrica
Conrad 1834
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea reflexa
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Bivalvia
- Cardiida
- Veneridae
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Mercenaria tridacnoides
(Lamarck 1818)
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| recombined as Mercenaria campechiensis tridacnoides | ||||||||||
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Pleiorytis centenaria
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Bivalvia
- Cardiida
- Chamidae
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Chama congregata
Conrad 1833
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Bivalvia
- Cardiida
- Cardiidae
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Chesacardium acutilaqueatum
(Conrad 1839)
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| [entered as Chesacardium aculaqueatum] | ||||||||||
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Bivalvia
- Arcida
- Noetiidae
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Noetia incile
(Say 1824)
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Bivalvia
- Arcida
- Arcidae
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Sectiarca lienosa
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| spelled with current rank as Anadara (Sectiarca) | ||||||||||
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Striarca centenaria
(Say 1824)
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Bivalvia
- Ostreida
- Ostreidae
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Conradostrea sculpturata
(Conrad 1840)
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Bivalvia
- Pectinida
- Pectinidae
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Chesapecten madisonius
(Say 1824)
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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: | Rushmere | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Rushmere Mbr of the Yorktown Fm, which unconformably overlies regionally the Sunken Meadow Mbr of the Yorktown Fm (Early Pliocene), and is unconformably overlain regionally by the Moore House Mbr of the Yorktown Fm. AGE: Late Pliocene according to Ward (1993). STRATIGRAPHIC POSITION: From unknown position within the Rushmere 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: | 78272 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2008-01-31 20:41:07 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2008-01-31 20:41:07 |
| 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] |