FG-24: Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Macroscelidea
- Apheliscidae
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Haplomylus speirianus
(Cope 1880)
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Clyde 1997 | 2 specimens | |||||
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus loomisi
McKenna 1960
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Clyde 1997 | 1 specimen | |||||
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Mammalia
- Primates
- Notharctidae
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Cantius mckennai
(Gingerich and Simons 1977)
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Clyde 1997 | 5 specimens | |||||
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Mammalia
- Creodonta
- Hyaenodontidae
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Arfia shoshoniensis
(Matthew and Granger 1915)
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2 specimens | ||||||
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Prototomus martis
Gingerich and Deutsch 1989
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1 specimen | ||||||
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Mammalia
- Diacodexeidae
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Diacodexis metsiacus
(Cope 1882)
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Clyde 1997 | 1 specimen | |||||
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Mammalia
- Procreodi
- Arctocyonidae
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Thryptacodon antiquus
Matthew and Granger 1915
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Clyde 1997 | 1 specimen | |||||
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Mammalia
- Phenacodontidae
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Phenacodus vortmani
(Cope 1880)
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Clyde 1997 | 1 specimen | |||||
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Mammalia
- Perissodactyla
- Equidae
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Hyracotherium grangeri
Gingerich 1989
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Clyde 1997 | 20 specimens | |||||
| recombined as Sifrhippus grangeri | |||||||
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Mammalia
- Esthonychidae
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Esthonyx spatularius
Cope 1880
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Clyde 1997 | 1 specimen | |||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Big Horn |
| Coordinates: | 44.6° North, 108.5° West (view map) | ||||
| Paleocoordinates: | 49.4° North, 91.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| 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: | Willwood | ||
| Local section: | Coon Creek | Local bed: | 155 |
| Local order: | bottom to top | ||
| Regional section: | Southeast | Regional bed: | 1350 |
| Regional order: | bottom to top | ||
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lithified "siliciclastic" | ||
| Includes fossils? | Y | ||
| Environment: | fluvial-lacustrine indet. | Tectonic setting: | intermontane basin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | some |
| Disassociated major elements: | many |
| Temporal resolution: | time-averaged |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection excludes: | some genera |
| Collection methods: | surface (float),surface (in situ),survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UMMP |
| Taxonomic list comments:Zone Wa-2 | |
Metadata
| Database number: | 15588 | ||
| Authorizer: | J. Alroy, W. Clyde | Enterer: | J. Alroy, L. Gannon |
| Modifier: | J. Marcot | Research group: | vertebrate |
| Created: | 1993-09-27 00:00:00 | Last modified: | 2023-10-20 13:02:02 |
| Access level: | the public | Released: | 1993-09-27 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1666. | P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot] |
Secondary references:
| 11717 | W. C. Clyde. 1997. Stratigraphy and mammalian paleontology of the McCullough Peaks, northern Bighorn Basin, Wyoming: Implications for biochronology, basin development, and community reorganization across the Paleocene-Eocene boundary. PhD Thesis, University of Michigan [W. Clyde/W. Clyde/J. Alroy] |