Plum Point, north, Zone 14: Serravallian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Cetacea
- Eurhinodelphinidae
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Eurhinodelphis sp.
Van Beneden and Gervais 1880
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Uhen 2007 | 1 specimen | |||||
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Chondrichthyes
- Carcharhiniformes
- Hemigaleidae
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Hemipristis serra
Agassiz 1835
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Uhen 2007 | 1 specimen | |||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Maryland | County: | Prince Frederick |
| Coordinates: | 38.6° North, 76.5° West (view map) | ||||
| Paleocoordinates: | 38.8° North, 73.6° West | ||||
| Basis of coordinate: | estimated from map |
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: | Calvert | Member: | Calvert Beach |
| Regional section: | Shattuck | Regional bed: | 14 | ||
| Regional order: | bottom to top | ||||
| Stratigraphy comments: Zones 14-16A are regarded as Serravallian in age. | |||||
Lithology and environment
| Primary lithology: | yellow sandstone |
| Includes fossils? | Y |
| Lithology description: yellowish sand | |
| Environment: | foreshore |
| Geology comments: relatively non-diverse mollusc assemblage, open-marine, shallow shelf | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 70594 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | G. Varnham | Research group: | marine invertebrate,vertebrate |
| Created: | 2007-03-29 14:42:57 | Last modified: | 2022-03-03 05:30:33 |
| Access level: | the public | Released: | 2007-03-29 14:42:57 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23697. | G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen] |
Secondary references:
| 24251 | M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen] | |
| 32709 | L. W. Ward and G. W. Andrews. 2008. Stratigraphy of the Calvert, Choptank, and St. Marys Formations (Miocene) in the Chesapeake Bay Area, Maryland and Virginia. Virginia Museum of Natural History Memoir 1-169 [M. Uhen/M. Uhen] | |
| 707 | R. E. Weems. 1974. Middle Miocene sea turtles (Syllomus, Procolpochelys, Psephophorus) from the Calvert Formation. Journal of Paleontology 48(2):278-303 [J. Alroy/M. Sommers/P. Holroyd] |