Little Muddy VI (UM BB-74): Bridgerian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Rodentia
- Sciuravidae
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Sciuravus nitidus
Marsh 1871
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1 specimen | |||||||||
Mammalia
- Primates
- Microsyopidae
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Microsyops cf. elegans
(Marsh 1871)
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1 specimen | |||||||||
Mammalia
- Primates
- Notharctidae
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Smilodectes mcgrewi
Gingerich 1979
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1 specimen | |||||||||
Mammalia
- Primates
- Omomyidae
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Omomys carteri
Leidy 1869
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1 specimen | |||||||||
Mammalia
- Perissodactyla
- Hyrachyidae
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Hyrachyus sp.
Leidy 1871
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1 specimen | |||||||||
Mammalia
- Metacheiromyidae
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Metacheiromys sp.
Wortman 1903
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1 specimen | |||||||||
Reptilia
- Testudines
- Geoemydidae
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Echmatemys septaria
(Cope 1873)
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Zonneveld et al. 2000 | |||||||||
synonym of Echmatemys stevensoniana | ||||||||||
Reptilia
- Testudines
- Trionychidae
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cf. Platypeltis sp.
Fitzinger 1835
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Zonneveld et al. 2000 | |||||||||
spelled with current rank as Apalone (Platypeltis) | ||||||||||
Reptilia
- Anguidae
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Xestops cf. vagans
(Marsh 1872)
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Zonneveld et al. 2000 | |||||||||
original and current combination Oreosaurus vagans | ||||||||||
Glyptosaurus sylvestris
Marsh 1871
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Zonneveld et al. 2000 | 1 specimen | ||||||||
UM 101648, left dentary and skeletal fragments | ||||||||||
Reptilia
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cf. Crocodylus affinis
Marsh 1871
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Zonneveld et al. 2000 | |||||||||
nomen dubium belonging to Crocodylus | ||||||||||
Pristichampsus vorax
(Troxell 1925)
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Zonneveld et al. 2000 | |||||||||
recombined as Boverisuchus vorax | ||||||||||
cf. Borealosuchus sp.
Brochu 1997
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Zonneveld et al. 2000 | |||||||||
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 |
Stratigraphy
Formation: | Green River | ||
Local section: | WGRB | Local bed: | 11 |
Local order: | bottom to top |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Collection size: | 6 specimens |
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:NISP based on Gunnell 1998c see map of Zonneveld et al. 2000, who repeat the list |
Metadata
Database number: | 16270 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 2002-05-15 00:00:00 | Last modified: | 2007-03-20 13:06:53 |
Access level: | the public | Released: | 2002-05-15 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1248. | W. C. Clyde, J.-P. Zonneveld, J. Stamatakos, G. F. Gunnell, and W. S. Bartels. 1997. Magnetostratigraphy across the Wasatchian-Bridgerian boundary (early to middle Eocene) in the western Green River Basin, Wyoming. Journal of Geology 105:657-669 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
3806 | J.-P. Zonneveld, G. F. Gunnell, and W. S. Bartels. 2000. Early Eocene fossil vertebrates from the southwestern Green River Basin, Lincoln and Uinta counties, Wyoming. Journal of Vertebrate Paleontology 20(2):369-386 [J. Alroy/J. Alroy/J. Alroy] |