CC-4: Middle Miocene, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Peridiomys sp.
Matthew 1924
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= Mioheteromyinae indet.
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Alroy 2002 | ||||||
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Mammalia
- Rodentia
- Mylagaulidae
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Mesogaulus sp.
Riggs 1899
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= Mylagaulidae indet.
Cope 1881
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Alroy 2002 | ||||||
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Mammalia
- Camelidae
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Camelidae indet.
Gray 1821
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Mammalia
- Perissodactyla
- Equidae
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Merychippus sp.
Leidy 1856
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= Equinae indet.
Steinmann and Döderlein 1890
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Alroy 2002 | ||||||
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Hypohippus sp.
(Leidy 1858)
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| original and current combination Anchitherium (Hypohippus) | |||||||
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Mammalia
- Talpidae
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Scalopoides sp.
Wilson 1960
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Montana | County: | Park |
| Coordinates: | 45.8° North, 110.5° West (view map) | ||||
| Paleocoordinates: | 46.4° North, 107.5° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| *Period: | Tertiary | ||
| Key time interval: | Middle Miocene | ||
| Age range of interval: | 15.98000 - 11.63000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Hepburn's Mesa |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:date of 17.6 +/- 0.7 Ma KA on vitric tuff "should be considered a maximum... glass... may have included reworked as well as fresh shards" | |
Metadata
| Database number: | 18843 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Marcot | Research group: | vertebrate |
| Created: | 1994-04-30 00:00:00 | Last modified: | 2023-10-11 22:46:41 |
| Access level: | the public | Released: | 1994-04-30 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6203. | A. D. Barnosky and W. J. Labar. 1989. Mid-Miocene (Barstovian) environmental and tectonic setting near Yellowstone Park, Wyoming and Montana. Geological Society America Bulletin 101(11):1448-1456 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] |