Popes Creek south, Zone 1: Aquitanian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Cetacea
- Squalodelphinidae
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Squalodelphinidae indet.
(Dal Piaz 1917)
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Godfrey and Lambert 2023 | 1 specimen | ||||||||
| USNM PAL 310632 | ||||||||||
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Mammalia
- Cetacea
- Eurhinodelphinidae
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Eurhinodelphis sp.
Van Beneden and Gervais 1880
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1 specimen | |||||||||
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Reptilia
- Testudines
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Chelonia indet.
(Latreille 1800)
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1 specimen | |||||||||
| synonym of Testudines | ||||||||||
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Chondrichthyes
- Carcharhiniformes
- Galeocerdidae
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Galeocerdo sp.
Müller and Henle 1837
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1 element | |||||||||
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Chondrichthyes
- Carcharhiniformes
- Sphyrnidae
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Sphyrna sp.
Rafinesque 1810
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1 element | |||||||||
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Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
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Carcharhinus sp.
de Blainville 1816
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2 elements | |||||||||
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Chondrichthyes
- Lamniformes
- Odontaspididae
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Odontaspis sp.
Agassiz 1838
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2 elements | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Maryland | County: | Charles |
| Coordinates: | 38.4° North, 77.0° West (view map) | ||||
| Paleocoordinates: | 38.5° North, 72.2° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Aquitanian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Aquitanian | ||
| Age range of interval: | 23.03000 - 20.44000 m.y. ago |
Stratigraphy
| Geological group: | Chesapeake | Formation: | Calvert |
| Regional section: | Shattuck | Regional bed: | 1 |
| Regional order: | bottom to top | ||
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | very fine,brown silty sandstone |
| Environment: | estuary/bay |
| Geology comments: Very low energy but biologically diverse; shallow marine | |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
| Disassociated minor elements: | some |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
Metadata
| Database number: | 71794 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Shalap | Research group: | marine invertebrate,vertebrate |
| Created: | 2007-05-10 11:04:54 | Last modified: | 2012-02-13 11:06:53 |
| Access level: | the public | Released: | 2007-05-10 11:04:54 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24251. | M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen] |
Secondary references:
| 33233 | R. N. Benson. 1998. Radiolarians and Diatoms from the Pollack Farm Site, Delaware: Marine-Terrestrial Correlation of Miocene Vertebrate Assemblages of the Middle Atlantic Coastal Plain. Delaware Geological Survey Special Publication (21)5-19 [M. Uhen/Z. Tieman] | |
| 85660 | S. J. Godfrey and O. Lambert. 2023. Miocene Toothed Whales (Odontoceti) from Calvert Cliffs, Atlantic Coastal Plain, USA. Smithsonian Contributions to Paleobiology 107:29-186 [M. Uhen/M. Uhen] |