Big Island-Blue Rim Badlands (UM BI-31): Bridgerian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus minusculus
Leidy 1873
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7 specimens | ||||||
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Mammalia
- Creodonta
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Thinocyon cf. velox
Marsh 1872
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1 specimen | ||||||
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Mammalia
- Metacheiromyidae
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Brachianodon westorum
Gunnell and Gingerich 1993
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3 specimens | ||||||
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Mammalia
- Epoicotheriidae
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Tetrapassalus sp.
Simpson 1959
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1 specimen | ||||||
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Mammalia
- Perissodactyla
- Equidae
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Orohippus cf. pumilus
(Marsh 1871)
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2 specimens | ||||||
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Mammalia
- Perissodactyla
- Hyrachyidae
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Hyrachyus sp.
Leidy 1871
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2 specimens | ||||||
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Mammalia
- Rodentia
- Ischyromyidae
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Thisbemys plicatus
Wood 1962
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1 specimen | ||||||
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= Thisbemys corrugatus
Wood 1959
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Alroy 2002 | ||||||
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Paramys delicatus
Leidy 1871
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1 specimen | ||||||
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Mammalia
- Rodentia
- Sciuravidae
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Sciuravus nitidus
Marsh 1871
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4 specimens | ||||||
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Mammalia
- Primates
- Microsyopidae
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Microsyops cf. elegans
(Marsh 1871)
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1 specimen | ||||||
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Mammalia
- Primates
- Notharctidae
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Smilodectes mcgrewi
Gingerich 1979
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5 specimens | ||||||
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Mammalia
- Primates
- Omomyidae
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Omomys carteri
Leidy 1869
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5 specimens | ||||||
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Washakius insignis
Leidy 1873
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3 specimens | ||||||
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Mammalia
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Peratherium knighti
McGrew et al. 1959
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1 specimen | ||||||
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= Herpetotherium knighti
McGrew et al. 1959
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Alroy 2002 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Sweetwater |
| Coordinates: | 41.7° North, 109.0° West (view map) | ||||
| Paleocoordinates: | 49.0° North, 85.5° West (Wright 2013) | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2 | ||
| *Period: | Tertiary | ||
| Key time interval: | Bridgerian | ||
| Age range of interval: | 50.5 - 46.2 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 37 specimens |
Metadata
| Database number: | 16108 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1999-09-21 00:00:00 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 1999-09-21 00:00:00 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 1737. | G. F. Gunnell. 1998. Mammalian Fauna From the Lower Bridger Formation (Bridger A, Early Middle Eocene) of the Southern Green River Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(3):83-130 [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] |