USGS Loc. 25058 - Essex Mill [Windmill Point Mbr, St Marys Fm): Serravallian, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Thecostraca
- Balanomorpha
- Balanidae
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Arossia newmani
Zullo 1992
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Chesaconcavus santamaria
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, 74.0° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Serravallian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Serravallian | ||
| Age range of interval: | 13.82000 - 11.63000 m.y. ago |
Stratigraphy
| Geological group: | Chesapeake | Formation: | St Marys | Member: | Windmill Point |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From the Windmill Point beds of the St Marys Formation, for which stratigraphic relations are not discussed. AGE: Serravalian. STRATIGRAPHC POSITION: From unknown position within formation. | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| 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,mesofossils |
Collection methods and comments
| Collection methods: | surface (float),surface (in situ),survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Taxonomic list comments:COVERAGE: Limited to Cirripedia. | |
Metadata
| Database number: | 160233 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2014-08-16 22:17:10 | Last modified: | 2014-08-17 22:53:50 |
| Access level: | the public | Released: | 2014-08-16 22:17:10 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 52284. | V. A. Zullo. 1992. Revision of the balanid barnacle genus Concavus Newman, 1982, with the description of a new subfamily, two new genera, and eight new species. The Paleontological Society Memoir 27:1-46 [A. Hendy/A. Hendy] |