Marsh's Fork (Lower Bridger): Bridgerian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Rhineuridae
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Lestophis crassus n. sp.
(Marsh 1871)
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Gilmore 1938 | 1 specimen | ||||||||
| original and current combination Limnophis crassus | ||||||||||
| YPM 531, single cervical vertebra. "Marsh Fork, about 15 miles from Fort Bridger" | ||||||||||
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Mammalia
- Perissodactyla
- Hyrachyidae
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Hyrachyus affinis n. sp.
(Marsh 1871)
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| synonym of Hyrachyus modestus | ||||||||||
| from "near Grizzly Buttes, one mile from Marsh's Fork": see Troxell 1922e; probably Bridger B2, see Wood 1934 | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Lophiodon pumilus
Marsh 1871
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| (apparent type locality of L. pumilis, now re-id'd to Orohippus which has its type locality elsewhere) | ||||||||||
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= Orohippus pumilus
Marsh 1871
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Alroy 2002 | |||||||||
| see Granger 1908 Kitts 1957b; said to be lower Bridger by Gazin | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Uinta |
| Coordinates: | 41.2° North, 110.5° West (view map) | ||||
| Paleocoordinates: | 45.2° North, 96.8° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2 | ||
| *Period: | Tertiary | ||
| Key time interval: | Bridgerian | ||
| Age range of interval: | 50.50000 - 46.20000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Taxonomic list comments:locality fixed by Wood 1934 |
Metadata
| Database number: | 16281 | ||
| Authorizer: | J. Alroy, P. Barrett | Enterer: | J. Alroy, T. Cleary | Research group: | vertebrate |
| Created: | 2002-05-15 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
| Access level: | the public | Released: | 2002-05-15 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1623. | C. L. Gazin. 1976. Mammalian Faunal Zones of the Bridger Middle Eocene. Smithsonian Contributions to Paleobiology 26:1-25 [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] | |
| 14699 | C. W. Gilmore. 1938. Fossil snakes of North America. Geological Society of America Special Paper (9)1-96 [J. Head/J. Head] |