Harrison Formation (Migmacastor Locality): Harrisonian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Castoridae
Migmacastor procumbodens n. gen., n. sp. Korth and Rybczynski 2003
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]