Onslow Beach: Chattian, North Carolina

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Dugongidae
cf. Crenatosiren olseni (Reinhart 1976)
3 specimens
Mammalia - Cetacea
Odontoceti indet. Flower 1867
Uhen 2005 1 specimen
Mammalia - Cetacea - Xenorophidae
Xenorophidae indet. Uhen 2008
Park et al. 2016 1 specimen
USNM 534010
Albertocetus meffordorum n. gen., n. sp. Uhen 2008
Uhen 2008 3 specimens
see common names

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
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 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.
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
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]