Onslow Beach: Chattian, North Carolina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Cetacea
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Odontoceti indet.
Flower 1867
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Uhen 2005 | 1 specimen | ||||||||
Mammalia
- Cetacea
- Xenorophidae
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Xenorophidae indet.
Uhen 2008
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Park et al. 2016 | 1 specimen | ||||||||
USNM 534010 | ||||||||||
Albertocetus meffordorum n. gen., n. sp.
Uhen 2008
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Uhen 2008 | 3 specimens | ||||||||
Mammalia
- Sirenia
- Dugongidae
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cf. Crenatosiren olseni
(Reinhart 1976)
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3 specimens | |||||||||
see common names |
Geography
Country: | United States | State/province: | North Carolina | County: | Onslow |
Coordinates: | 34.6° North, 77.3° West (view map) | ||||
Paleocoordinates: | 34.6° North, 71.7° West | ||||
Basis of coordinate: | estimated from map |
Time
Period: | Paleogene | Epoch: | Oligocene |
Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
Key time interval: | Chattian | ||
Age range of interval: | 28.10000 - 23.03000 m.y. ago |
Stratigraphy
Formation: | Belgrade | ||||
Stratigraphy comments: Some references identify this unit as the Silverdale Formation, which may be equivalent to the Chattian Belgrade Formation. Some references suggest this is the River Bend Formation as well. |
Lithology and environment
Primary lithology: | "limestone" |
Includes fossils? | Y |
Environment: | carbonate indet. |
Taphonomy
Modes of preservation: | body,original phosphate |
Size of fossils: | macrofossils,mesofossils |
Preservation of anatomical detail: | excellent |
Associated major elements: | all |
Collection methods and comments
Collection methods: | surface (float),field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | USNM |
Metadata
Database number: | 54075 | ||
Authorizer: | M. Uhen | Enterer: | M. Uhen |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 2005-09-22 09:45:08 | Last modified: | 2019-09-19 21:16:30 |
Access level: | the public | Released: | 2005-09-22 09:45:08 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
17344. | D. P. Domning. 1997. Fossil Sirenia of the West Atlantic and Caribbean Region. VI. Crenatosiren olseni (Reinhart, 1976). Journal of Vertebrate Paleontology 17(2):397-412 [M. Uhen/M. Uhen] |
Secondary references:
58879 | T. Park, E. M. G. Fitzgerald, and A. R. Evans. 2016. Ultrasonic hearing and echolocation in the earliest toothed whales. Biology Letters 12(4) [M. Uhen/M. Uhen] | |
18946 | S. R. Riggs, W. J. Cleary, and S. W. Snyder. 1982. Morphology and dynamics of barrier and headland shorefaces in Onslow Bay, North Carolina. Carolina Geological Society Guidebook for 1982 Annual Meeting 29-40 [M. Uhen/M. Uhen] | |
14606 | M. D. Uhen. 2005. A new Xenorophus-like odontocete cetacean from the Oligocene of North Carolina. Journal of Vertebrate Paleontology 25(3):125A [M. Uhen/M. Uhen/M. Uhen] | |
28465 | M. D. Uhen. 2008. A new Xenorophus-like odontocete cetacean form the Oligocene of North Carolina and a discussion of the basal odontocete radiation. Journal of Systematic Palaeontology 6(4):433-452 [M. Uhen/M. Uhen/M. Uhen] |