Molluscan Zone 8, Claremont Manor Mbr, Eastover Fm - Sunken Meadow Creek: Late/Upper Miocene, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Arcida
- Glycymerididae
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Costaglycymeris virginiae
(Wagner 1848)
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Bivalvia
- Arcida
- Arcidae
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Dallarca virginiae
(Wagner 1850)
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea compressirostra
Say 1824
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| Subspecies: Ostrea compressirostra brucei | ||||||||||
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Bivalvia
- Ostreida
- Malleidae
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Isognomon (Hippochaeta) sp.
()
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Bivalvia
- Pectinida
- Pectinidae
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Chesapecten middlesexensis
(Mansfield 1936)
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| Subspecies: Chesapecten middlesexensis ceccae | ||||||||||
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Bivalvia
- Carditida
- Crassatellidae
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Marvacrassatella surryensis
(Mansfield 1929)
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Bivalvia
- Lucinida
- Lucinidae
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Lucinoma contracta
(Say 1824)
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Bivalvia
- Cardiida
- Euloxidae
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Euloxa latisulcata
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Bivalvia
- Cardiida
- Veneridae
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Lirophora dalli
(Olsson 1914)
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Mercenaria druidi
Ward 1992
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Bivalvia
- Cardiida
- Glossidae
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Glossus fraternas
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea goldfussii
Wagner 1839
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Gastropoda
- Turritellidae
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Turritella plebeia
Say 1824
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| recombined as Mariacolpus plebeia | ||||||||||
| Subspecies: Turritella plebeia carinata | ||||||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Ecphora gardnerae
(Wilson 1987)
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| Subspecies: E. gardnerae whiteoakensis | ||||||||||
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unclassified
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Dallarca carolinensis
(Conrad 1849)
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| recombined as Barbatia carolinensis | ||||||||||
| Includes both D. carolinensis clisea and D. carolinensis rotunda | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Surry |
| Coordinates: | 37.2° North, 76.9° West (view map) | ||||
| Paleocoordinates: | 37.4° North, 75.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Late/Upper Miocene | ||
| Age range of interval: | 11.63000 - 5.33300 m.y. ago |
Stratigraphy
| Formation: | Eastover | Member: | Claremont Manor | ||
| Local section: | Sunken Meadow Creek | ||||
| Regional section: | James River | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Unit A in Ward 1992 (Fig. 11), ~8m of sand. Collection from Claremont Mbr of Eastover Fm, which underlies a thin unit of the Cobham Bay Mbr, Eastover Fm and the Sunken Meadow Mbr of the Yorktown Fm. | |||||
Lithology and environment
| Primary lithology: | unlithified silty sandstone |
| Includes fossils? | Y |
| Lithology description: Sand, silty, porrly sorted. | |
| Environment: | coastal indet. |
| Glacial or sequence phase: | transgressive |
| Geology comments: Accumulated during transgression; inner bay conditions becoming more open shelf in nature towards top of unit. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection,survey of museum collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | USNM |
| Collection method comments: Most material appears to be reposited in USNM and USGS collections | |
| Taxonomic list comments:Probably not exhaustive, but a summary of the common and abundant forms from unit. Modern nomenclature utilized with species level assignments. | |
Metadata
| Database number: | 59295 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2006-03-25 11:45:50 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2006-03-25 11:45:50 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 16985. | L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy] |