Opal (UM BB-10): Bridgerian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
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Stylinodon inexplicatus
Schoch and Lucas 1981
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1 specimen | |||||||||
synonym of Stylinodon mirus | ||||||||||
Mammalia
- Rodentia
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Rodentia indet.
Bowdich 1821
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2 specimens | |||||||||
Mammalia
- Rodentia
- Ischyromyidae
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Microparamys cf. minutus
(Wilson 1937)
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1 specimen | |||||||||
(1 measurement) | ||||||||||
Leptotomus parvus
Wood 1959
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2 specimens | |||||||||
Paramys delicatus
Leidy 1871
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1 specimen | |||||||||
Mammalia
- Rodentia
- Sciuravidae
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Sciuravus nitidus
Marsh 1871
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3 specimens | |||||||||
Mammalia
- Primates
- Microsyopidae
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Microsyops cf. elegans
(Marsh 1871)
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3 specimens | |||||||||
Mammalia
- Primates
- Notharctidae
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Smilodectes mcgrewi
Gingerich 1979
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1 specimen | |||||||||
Notharctus robinsoni
Gingerich 1979
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3 specimens | |||||||||
Mammalia
- Primates
- Omomyidae
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Omomys carteri
Leidy 1869
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2 specimens | |||||||||
Mammalia
- Perissodactyla
- Hyrachyidae
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Hyrachyus sp.
Leidy 1871
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4 specimens | |||||||||
Mammalia
- Perissodactyla
- Equidae
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Orohippus cf. pumilus
(Marsh 1871)
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1 specimen | |||||||||
Mammalia
- Homacodontidae
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Homacodontidae indet.
Marsh 1849
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1 specimen | |||||||||
Mammalia
- Creodonta
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Thinocyon cf. velox
Marsh 1872
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1 specimen | |||||||||
Mammalia
- Creodonta
- Hyaenodontidae
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Sinopa rapax
Leidy 1871
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1 specimen | |||||||||
Mammalia
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Uintacyon vorax
Leidy 1872
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1 specimen | |||||||||
recombined as Miacis vorax | ||||||||||
Mammalia
- Metacheiromyidae
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Metacheiromys sp.
Wortman 1903
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1 specimen | |||||||||
Mammalia
- Epoicotheriidae
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Tetrapassalus sp.
Simpson 1959
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1 specimen | |||||||||
Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus minusculus
Leidy 1873
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2 specimens | |||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Lincoln |
Coordinates: | 41.8° North, 110.7° West (view map) | ||||
Paleocoordinates: | 45.9° North, 96.9° West | ||||
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: | 50.30000 - 46.20000 m.y. ago | ||
* legacy (obsolete) database fields |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Collection size: | 29 specimens |
Metadata
Database number: | 16309 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
Created: | 1999-09-21 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
Access level: | the public | Released: | 1999-09-21 00:00:00 |
Creative Commons license: | CC BY |
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] |