Locality 504 (Windmill Point Beds, St Marys Fm): Late/Upper Miocene, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Thecostraca
- Balanomorpha
- Balanidae
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Chesaconcavus rossi
Zullo 1992
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Essex |
| Coordinates: | 37.9° North, 76.8° West (view map) | ||||
| Paleocoordinates: | 38.0° North, 75.0° 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
| Geological group: | Chesapeake | Formation: | St Marys | Member: | Windmill Point |
| Regional section: | Shattuck | Regional bed: | 24 | ||
| Regional order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Dunnsville,Essex; Upper Miocene (Tortonian), Windmill Point beds, St Marys Formation, Zone 24. AGE: Late Miocene (equivalent to Tortonian) according to Ward (1992). | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Lithology description: Sandstone | |
| Environment: | offshore |
| Glacial or sequence phase: | transgressive |
| Geology comments: Back-barrier, and shallow inner-bay conditions, punctuated by open shelf (shelly sandy intervals). | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Probably collected from individuals specimens. Collection of Zullo | |
| Taxonomic list comments:Exhaustive for Cirripdia. Not complete with respect to molluscan fauna. Type material is reposited in USNM, ANSP, and University of North Carolina, Wilmington. | |
Metadata
| Also known as: | Dunnsville | ||
| Database number: | 51720 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2005-06-14 12:06:33 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2005-06-14 12:06:33 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 13777. | 1% 2380 | D. B. Kline. 1997. Systematics and biostratigraphy of Miocene Cirripedia of the Chesapeake Group; Maryland, North Carolina, and Virginia. Unpublished Masters thesis, University of North Carolina, Wilmington [A. Miller/A. Hendy/A. Hendy] |