East Fork Rim: Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Leptictidae
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Palaeictops cf. pineyensis
(Gazin 1952)
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= Palaeictops cf. bicuspis
Cope 1880
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Alroy 2002 | |||||||||
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Mammalia
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Stylinodontinae indet.
Schlosser 1911
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= Stylinodon sp.
Marsh 1874
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Schoch 1986 | |||||||||
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Mammalia
- Coryphodontidae
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Coryphodon sp.
(Owen 1845)
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| original and current combination Lophiodon (Coryphodon) | ||||||||||
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Mammalia
- Esthonychidae
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Esthonyx acutidens
Cope 1881
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus miticulus
(Cope 1874)
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= Hyopsodus sp.
Leidy 1870
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Alroy 2002 | |||||||||
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Hyopsodus wortmani
Osborn 1902
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Hyopsodus cf. walcottianus
Matthew 1915
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Stucky 1984 | |||||||||
| one specimen only | ||||||||||
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Mammalia
- Phenacodontidae
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Meniscotherium chamense
Cope 1874
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| includes "M. robustum" | ||||||||||
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Mammalia
- Perissodactyla
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Hyracotherium craspedotum
Cope 1880
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= Perissodactyla indet.
Owen 1848
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Alroy 2002 | |||||||||
| - could be Systemodon tapirinus | ||||||||||
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Mammalia
- Perissodactyla
- Brontotheriidae
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Lambdotherium popoagicum
Cope 1880
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Eotitanops borealis
(Cope 1880)
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Mammalia
- Perissodactyla
- Palaeotheriidae
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Hyracotherium vasacciense
(Cope 1872)
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Mammalia
- Perissodactyla
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Heptodon calciculus
(Cope 1880)
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Heptodon posticus
(Cope 1882)
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Mammalia
- Diacodexeidae
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Diacodexis cf. secans
(Cope 1881)
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= Diacodexis secans
Cope 1881
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Krishtalka and Stucky 1985 | |||||||||
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Mammalia
- Viverravidae
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Didymictis altidens
Cope 1880
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Mammalia
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Vulpavus sp.
Marsh 1871
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Miacis latidens
Matthew and Granger 1915
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Mammalia
- Creodonta
- Oxyaenidae
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Oxyaenidae indet.
Cope 1877
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Mammalia
- Rodentia
- Paramyidae
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Paramyidae indet.
Miller and Gidley 1918
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| "Paramys" group rodent(s) | ||||||||||
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Mammalia
- Primates
- Omomyidae
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Washakius insignis
Leidy 1873
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Mammalia
- Primates
- Notharctidae
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Notharctus nunienus
(Cope 1881)
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= Cantius cf. nunienus
Cope 1881
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Alroy 2002 | |||||||||
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Mammalia
- Primates
- Microsyopidae
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Microsyops scottianus
Cope 1881
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= Microsyops cf. scottianus
Cope 1881
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Gunnell 1989 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Sublette |
| Coordinates: | 42.7° North, 110.1° West (view map) | ||||
| Paleocoordinates: | 47.7° North, 93.5° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Tertiary | ||
| Key time interval: | Wasatchian | ||
| Age range of interval: | 54.90000 - 50.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Wasatch | Member: | Alkali Creek Tongue | ||
| Local section: | GRBsn | Local bed: | 2 | ||
| Local order: | bottom to top | ||||
| Stratigraphy comments: originally "Arkosic Facies" of the "New Fork Tongue Member" | |||||
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 124 specimens |
Metadata
| Also known as: | BS-2 | ||
| Database number: | 15486 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2006-04-03 20:27:51 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 3596. | R. M. West. 1973. Geology and mammalian paleontology of the New Fork-Big Sandy area, Sublette County, Wyoming. Fieldiana: Geology 29 [J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 1730 | G. F. Gunnell. 1989. Evolutionary History of Microsyopoidea (Mammalia, ?Primates) and the Relationship Between Plesiadapiformes and Primates. University of Michigan Papers on Paleontology 27:1-157 [J. Alroy/J. Alroy/P. Mannion] | |
| 2183 | L. Krishtalka and R. K. Stucky. 1985. Revision of the Eocene Wind River Faunas, Early Eocene of Central Wyoming. Part 7. Revision of Diacodexis (Mammalian, Artiodactyla). Annals of Carnegie Museum 54(14):413-486 [J. Alroy/J. Alroy/J. Marcot] | |
| 3053 | R. M. Schoch. 1986. Systematics, Functional Morphology and Macroevolution of the Extinct Mammalian Order Taeniodonta. Peabody Museum of Natural History Bulletin 42:1-320 [J. Alroy/J. Alroy/M. Uhen] | |
| 3331 | R. K. Stucky. 1984. The Wasatchian-Bridgerian Land Mammal Age boundary (early to middle Eocene) in western North America. Annals of Carnegie Museum 53(12):347-382 [J. Alroy/J. Alroy/J. Alroy] |