Mike's Main Channel: Geringian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Proscalopidae
|
||||||||||
Proscalops tertius
Reed 1961
|
||||||||||
Mammalia
- Rodentia
- Castoridae
|
||||||||||
Palaeocastor nebrascensis
(Leidy 1856)
|
||||||||||
= Palaeocastor sp.
Leidy 1869
|
Alroy 2002 | |||||||||
see Xu 1996 | ||||||||||
Mammalia
- Rodentia
- Heteromyidae
|
||||||||||
Proheteromys fedti
Macdonald 1963
|
||||||||||
recombined as Proharrymys fedti | ||||||||||
Heliscomys schlaikjeri
Black 1961
|
||||||||||
= Kirkomys schlaikjeri
Black 1961
|
Alroy 2002 | |||||||||
recombined as Proharrymys schlaikjeri | ||||||||||
Proheteromys ironcloudi
Macdonald 1963
|
||||||||||
Mammalia
- Rodentia
- Cricetidae
|
||||||||||
Geringia mcgregori
(Macdonald 1970)
|
||||||||||
"B": described by Martin 1980a; "Paciculus cf. insolitus" of Alker 1969 | ||||||||||
Mammalia
- Rodentia
- Allomyidae
|
||||||||||
Downsimus chadwicki
Macdonald 1970
|
||||||||||
Mammalia
- Lagomorpha
- Leporidae
|
||||||||||
Palaeolagus hypsodus
Schlaikjer 1935
|
||||||||||
Palaeolagus philoi
Dawson 1958
|
||||||||||
Mammalia
- Primates
- Ekgmowechashalidae
|
||||||||||
Ekgmowechashala philotau
Macdonald 1963
|
Rust et al. 2023 | |||||||||
Mammalia
|
||||||||||
Peratherium spindleri
Macdonald 1963
|
||||||||||
= Herpetotherium youngi
McGrew 1937
|
Alroy 2002 | |||||||||
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 |
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
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Metadata
Also known as: | Mo-108, in part | ||
Database number: | 17544 | ||
Authorizer: | J. Alroy, K. Beard | Enterer: | J. Alroy, K. Beard | 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] | |
86473 | K. Rust, X. Ni, K. Tietjen and K. C. Beard. 2023. Phylogeny and paleobiogeography of the enigmatic North American primate Ekgmowechashala illuminated by new fossils from Nebraska (USA) and Guangxi Zhuang Autonomous Region (China). Journal of Human Evolution [K. Beard/K. Beard] |