Toadstool Park: Chadronian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Camelidae
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Poebrotherium eximium
Hay 1902
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Mammalia
- Protoceratidae
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Leptotragulus profectus
Matthew 1903
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| recombined as Trigenicus profectus | ||||||||||
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Mammalia
- Leptomerycidae
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Leptomeryx speciosus
Lambe 1908
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Mammalia
- Oromerycidae
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Eotylopus reedi
Matthew 1910
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Mammalia
- Lagomorpha
- Leporidae
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Megalagus brachyodon
(Matthew 1903)
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Palaeolagus temnodon
Douglass 1902
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Mammalia
- Rodentia
- Cylindrodontidae
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Cylindrodon sp.
Douglass 1902
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Mammalia
- Rodentia
- Eomyidae
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Yoderimys sp.
Wood 1955
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= Yoderimyinae indet.
Wood 1955
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Alroy 2002 | |||||||||
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Mammalia
- Rodentia
- Ischyromyidae
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Ischyromys parvidens
Miller and Gidley 1920
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= Ischyromyidae indet.
Alston 1876
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Alroy 2002 | |||||||||
| also reported by Heaton 1993 | ||||||||||
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Ischyromys veterior
Matthew 1903
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Sioux |
| Coordinates: | 42.4° North, 103.8° West (view map) | ||||
| Paleocoordinates: | 43.8° North, 95.1° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
| *Period: | Tertiary | ||
| Key time interval: | Chadronian | ||
| Age range of interval: | 37.00000 - 33.90000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera |
| Taxonomic list comments:referred to as "Pine Ridge"; Ostrander 1985 explains that this is in Toadstool Park this list is apparently based on Prothero's thesis Hunt 1987 gives coordinate as SE 1/4 NE 1/4 sec 8 T33N R53W 15 mi. NW of Crawford, Dawes Co.; this is in Sioux Co. | |
Metadata
| Database number: | 17031 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 2813. | D. R. Prothero, C. R. Farmer, and H. G. Farmer. 1982. Oligocene calibration of the magnetic polarity time scale. Geology 10(12):650-653 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] |