Parker Creek, south, Zone 13: Langhian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Mollusca indet.
Linnaeus 1758
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Ward 1992 | |||||||||
Mammalia
- Cetacea
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Siphonocetus priscus
(Leidy 1851)
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Barwick 1940 | 1 specimen | ||||||||
nomen dubium belonging to Siphonocetes | ||||||||||
Mammalia
- Cetacea
- Physeteridae
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Orycterocetus crocodilinus
Cope 1867
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Kellogg 1965 | |||||||||
Mammalia
- Cetacea
- Eurhinodelphinidae
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Eurhinodelphis sp.
Van Beneden and Gervais 1880
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Uhen 2007 | |||||||||
Mammalia
- Cetacea
- Kentriodontidae
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Kentriodon pernix
Kellogg 1927
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Uhen 2007 | 1 specimen | ||||||||
Reptilia
- Testudines
- Cheloniidae
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Syllomus sp.
Cope 1896
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Uhen 2007 | 1 specimen | ||||||||
= Peritresius virginianus
Berry and Lynn 1936
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Berry and Lynn 1936 | |||||||||
synonym of Syllomus aegyptiacus | ||||||||||
USNM specimens from "one-half mile south of Parker Creek" | ||||||||||
Reptilia
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Gavialosuchus antiquus
Leidy 1852
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Uhen 2007 | 1 specimen | ||||||||
see common names |
Geography
Country: | United States | State/province: | Maryland | County: | Calvert |
Coordinates: | 38.5° North, 76.5° West (view map) | ||||
Paleocoordinates: | 38.7° North, 73.2° West | ||||
Basis of coordinate: | estimated from map |
Time
Period: | Neogene | Epoch: | Miocene |
Stage: | Langhian | 10 m.y. bin: | Cenozoic 5 |
Key time interval: | Langhian | ||
Age range of interval: | 15.98000 - 13.82000 m.y. ago |
Stratigraphy
Geological group: | Chesapeake | Formation: | Calvert | Member: | Plum Point |
Regional section: | Shattuck | Regional bed: | 13 | ||
Regional order: | bottom to top | ||||
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | blue sandy claystone |
Includes fossils? | Y |
Lithology description: bluish sandy clay | |
Environment: | estuary/bay |
Geology comments: sparse molluscs, low in diversity; subtropical environment in embayment and dry onshore; area not far from shore, bay, short-term eustatic transgression events, long-term regression trend
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Taphonomy
Modes of preservation: | body,original phosphate |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Articulated whole bodies: | many |
Associated major elements: | some |
Disassociated major elements: | some |
Disassociated minor elements: | some |
Collection methods and comments
Collection methods: | surface (in situ),field collection |
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | USNM |
Metadata
Database number: | 70827 | ||
Authorizer: | M. Uhen, J. Alroy | Enterer: | M. Uhen, J. Alroy |
Modifier: | B. Shipps | Research group: | marine invertebrate,vertebrate |
Created: | 2007-04-09 14:02:15 | Last modified: | 2017-02-26 14:56:46 |
Access level: | the public | Released: | 2007-04-09 14:02:15 |
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:
13045 | A. R. Barwick. 1940. Skull of fossil cetotherean whale, Siphonocetus priscus, from the Miocene of the Cheapeake Bay Region. American Midland Naturalist 23(3):746-750 [M. Uhen/M. Uhen/M. Uhen] | |
34382 | C. T. Berry and W. G. Lynn. 1936. A new turtle, Peritresius virginianus, from the Miocene of Virginia. Proceedings of the American Philosophical Society 76(2):175-190 [J. Alroy/J. Alroy] | |
15352 | R. Kellogg. 1965. The Miocene Calvert sperm whale Orycterocetus. Bullten of the United States National Museum 247(2):47-63 [M. Uhen/M. Uhen] | |
24251 | M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen] | |
16985 | L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy] | |
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] |