Cottonwood Creek (UNSM Dw-117): Early/Lower Hemingfordian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Talpidae
|
||||||||||
|
Scalopoides cf. isodens
Wilson 1960
|
||||||||||
| omitted by Bailey 2004 | ||||||||||
|
Mammalia
- Proscalopidae
|
||||||||||
|
Mesoscalops scopelotemos
Reed 1960
|
||||||||||
|
Mammalia
- Erinaceidae
|
||||||||||
|
Erinaceidae indet.
Fischer von Waldheim 1817
|
||||||||||
|
Parvericius montanus
Koerner 1940
|
||||||||||
|
Mammalia
- Lagomorpha
- Ochotonidae
|
||||||||||
|
Oreolagus nebrascensis
McGrew 1941
|
Bailey 2004 | |||||||||
|
Mammalia
- Rodentia
- Mylagaulidae
|
||||||||||
|
Mesogaulus paniensis
(Matthew 1902)
|
Bailey 2004 | |||||||||
|
Mammalia
- Rodentia
- Cricetidae
|
||||||||||
|
Yatkolamys edwardsi
Martin and Corner 1980
|
Bailey 2004 | |||||||||
|
Mammalia
- Rodentia
- Heteromyidae
|
||||||||||
|
Stratimus strobeli
Korth et al. 1990
|
Korth et al. 1990 | |||||||||
|
Harrymys magnus
(Wood 1932)
|
Bailey 2004 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Dawes |
| Coordinates: | 42.4° North, 103.0° West (view map) | ||||
| Paleocoordinates: | 43.2° North, 99.1° West | ||||
| Basis of coordinate: | stated in text |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Burdigalian | 10 m.y. bin: | Cenozoic 5 |
| *Period: | Late/Upper Tertiary | *Epoch: | Early/Lower Miocene | *Local age/stage: | Hemingfordian |
| Key time interval: | Early/Lower Hemingfordian | ||
| Age range of interval: | 18.50000 - 16.30000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Runningwater |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | green unlithified sandstone |
| Lithology description: "fine-to-medium-grained, poorly sorted, unconsolidated sand... which ranges in color from tan to grayish green" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
| Disassociated major elements: | some |
| Disassociated minor elements: | some |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UNSM |
| Collection method comments: "recovered from road cuts... fossils were collected by screen-washing methods" | |
Metadata
| Database number: | 26019 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2002-09-30 20:45:50 | Last modified: | 2022-05-04 05:02:30 |
| Access level: | the public | Released: | 2002-09-30 20:45:50 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 2718. | G. E. Ostrander. 1986. Insectivora (Mammalia) from the Miocene (Hemingfordian) of western Nebraska. Transactions of the Nebraska Academy of Sciences 14:21-24 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 19303 | B. E. Bailey. 2004. Biostratigraphy and biochronology of early Arikareean through late Hemingfordian small mammal faunas from the Nebraska Panhandle and adjacent areas. Paludicola 4(3):81-113 [J. Alroy/J. Alroy] | |
| 2152 | 5% 20540 | W. W. Korth, B. E. Bailey, and R. M. Hunt, Jr. 1990. Geomyoid rodents from the early Hemingfordian (Miocene) of Nebraska. Annals of Carnegie Museum 59(1):25-47 [J. Alroy/J. Alroy/M. Carrano] |