Nerud's Thrasher Quarry: Geringian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Heteromyidae
Proheteromys fedti Macdonald 1963
recombined as Proharrymys fedti
Mammalia - Rodentia - Castoridae
Castoridae indet. Gray 1821
said to be new
Palaeocastor nebrascensis (Leidy 1856)
    = Palaeocastor sp. Leidy 1869
Alroy 2002
see Xu 1996
Mammalia - Rodentia - Cricetidae
Geringia mcgregori (Macdonald 1970)
"C"
Leidymys blacki (Macdonald 1963)
Mammalia - Proscalopidae
Proscalops tertius Reed 1961
Mammalia - Groeberida
Peratherium spindleri Macdonald 1963
    = Herpetotherium youngi McGrew 1937
Alroy 2002
Reptilia - Boidae
Calamagras platyspondyla Holman 1976
Holman 1976 7 specimens
Reptilia - Aniliidae
Anilioides nebraskensis Holman 1976
Holman 1976 11 specimens
see common names

Geography
Country:United States State/province:Nebraska County:Morrill
Coordinates: 41.7° North, 103.1° West (view map)
Paleocoordinates:42.5° North, 96.6° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Oligocene
10 m.y. bin:Cenozoic 4
*Period:Tertiary
Key time interval:Geringian
Age range of interval:30.80000 - 26.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Gering Member:Unit C
Local section:NPlat Local bed:7
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Metadata
Also known as:Mo-104, in part
Database number:17566
Authorizer:J. Alroy, J. Head Enterer:J. Alroy, J. Head
Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2002-06-03 03:27:42
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3345. C. C. Swisher. 1982. Stratigraphy and biostratigraphy of the eastern portion of the Wildcat Ridge, western Nebraska. 1-172 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
14759 J. A. Holman. 1976. Snakes from the Rosebud Formation (Middle Miocene) of South Dakota. Herpetologica 32:41-48 [J. Head/J. Head]