Harrison Formation (Migmacastor Locality): Harrisonian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Rodentia
- Castoridae
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Migmacastor procumbodens n. gen., n. sp.
Korth and Rybczynski 2003
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1 specimen | |||||||||
(7 measurements) | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Nebraska | County: | Sioux |
Coordinates: | 42.5° North, 103.7° West (view map) | ||||
Paleocoordinates: | 43.4° North, 98.7° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | small collection |
Time
Key time interval: | Harrisonian |
Age range of interval: | 24.80000 - 20.43000 m.y. ago |
Stratigraphy
Formation: | Harrison | ||||
Stratigraphy comments: said to be "late Arikareean" |
Lithology and environment
Primary lithology: | not reported |
Lithology description: none given | |
Environment: | terrestrial indet. |
Geology comments: no environment described |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some genera,some macrofossils |
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Collection method comments: additional fauna not described |
Metadata
Also known as: | Near East Section Line | ||
Database number: | 34807 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 2003-09-29 17:45:05 | Last modified: | 2006-08-14 01:10:44 |
Access level: | the public | Released: | 2003-09-29 17:45:05 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
9288. | W. W. Korth and N. Rybczynski. 2003. A new, unusual castorid (Rodentia) from the earliest Miocene of Nebraska. Journal of Vertebrate Paleontology 23(3):667-675 [J. Alroy/J. Alroy/J. Alroy] |