Camp Roosevelt, Zone 4-6: Burdigalian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Cetacea
- Eurhinodelphinidae
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Rhabdosteus hruschkai
Myrick 1979
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| synonym of Schizodelphis barnesi | |||||||
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Chondrichthyes
- Odontaspidida
- Isuridae
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Oxyrhina cuspidata
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Uhen 2007 | 4 elements | |||||
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Chondrichthyes
- Carcharhiniformes
- Galeocerdidae
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Galeocerdo aduncus
(Agassiz 1835)
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Uhen 2007 | 1 element | |||||
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Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
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Carcharhinus egertoni
Agassiz 1843
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Uhen 2007 | 8 elements | |||||
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Galeocerdo contortus
Gibbes 1847
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Uhen 2007 | 3 elements | |||||
| recombined as Physogaleus contortus | |||||||
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Chondrichthyes
- Carcharhiniformes
- Hemigaleidae
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Hemipristis serra
Agassiz 1835
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Uhen 2007 | 1 element | |||||
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Chondrichthyes
- Lamniformes
- Otodontidae
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Odontaspis macrota
(Agassiz 1838)
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Uhen 2007 | 1 element | |||||
| original and current combination Otodus macrotus | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Maryland | County: | Calvert |
| Coordinates: | 38.6° North, 76.5° West (view map) | ||||
| Paleocoordinates: | 38.9° North, 72.6° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Burdigalian | 10 m.y. bin: | Cenozoic 5 |
| Key time interval: | Burdigalian | ||
| Age range of interval: | 20.44000 - 15.98000 m.y. ago |
Stratigraphy
| Geological group: | Chesapeake | Formation: | Calvert | Member: | Plum Point |
| Regional section: | Shattuck | Regional bed: | 4-6 | ||
| Regional order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: late early Barstovian, Zone 3-6: changed to 4-6 because Plum Point Member doesn't include zone 3 | |||||
Lithology and environment
| Primary lithology: | sandy claystone |
| Includes fossils? | Y |
| Environment: | offshore |
| Geology comments: Biologically active, open marine environment | |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 57786 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2006-01-02 13:19:25 | Last modified: | 2022-03-03 04:15:36 |
| Access level: | the public | Released: | 2006-01-02 13:19:25 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 15550. | A. C. Myrick. 1979. Variation, taphonomy, and adaptation of the Rhabdosteidae (=Eurhinodelphidae) (Odontoceti, Mammalia) from the Calvert Formation of Maryland and Virginia. University of California, Los Angeles 1-411 [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] | |
| 24251 | M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen] |