MP-18: Wasatchian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Aves indet.
Linnaeus 1758
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specimens | ||||||
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Allognathosuchus sp.
Mook 1921
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specimens | ||||||
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Mammalia
- Coryphodontidae
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Coryphodon sp.
(Owen 1845)
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2 specimens | ||||||
| original and current combination Lophiodon (Coryphodon) | |||||||
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Mammalia
- Macroscelidea
- Apheliscidae
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Apheliscus insidiosus
(Cope 1874)
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1 specimen | ||||||
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Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus simplex
Loomis 1905
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5 specimens | ||||||
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Mammalia
- Acreodi
- Mesonychidae
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Pachyaena gracilis
Matthew and Granger 1915
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1 specimen | ||||||
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Mammalia
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Miacis sp.
Cope 1872
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1 specimen | ||||||
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Mammalia
- Perissodactyla
- Equidae
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Hyracotherium pernix
(Marsh 1876)
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10 specimens | ||||||
| recombined as Arenahippus pernix | |||||||
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Mammalia
- Perissodactyla
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Homogalax protapirinus
(Wortman 1896)
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6 specimens | ||||||
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Cardiolophus semihians
(Cope 1882)
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3 specimens | ||||||
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Hyracotherium cristatum
Wortman 1896
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1 specimen | ||||||
| synonym of Systemodon tapirinus | |||||||
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Mammalia
- Phenacodontidae
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Phenacodus intermedius
Granger 1915
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1 specimen | ||||||
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Phenacodus vortmani
(Cope 1880)
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1 specimen | ||||||
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Mammalia
- Diacodexeidae
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Diacodexis metsiacus
(Cope 1882)
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3 specimens | ||||||
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Mammalia
- Rodentia
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Rodentia indet.
Bowdich 1821
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1 specimen | ||||||
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Mammalia
- Primates
- Notharctidae
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Cantius abditus
(Gingerich and Simons 1977)
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5 specimens | ||||||
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus sp.
Agassiz 1843
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specimens | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Wyoming |
| Coordinates: | 44.5° North, 108.6° West (view map) | ||
| Paleocoordinates: | 49.3° North, 91.4° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Wasatchian | ||
| Age range of interval: | 54.90000 - 50.50000 m.y. ago |
Stratigraphy
| Formation: | Willwood | ||||
| Local section: | Foster Gulch - Y U Bench | Local bed: | 815 | ||
| Regional section: | MP Southeast | Regional bed: | 2010 | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Wa-5 | |||||
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 methods: | surface (float),surface (in situ),survey of museum collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | UMMP |
Metadata
| Database number: | 46683 | ||
| Authorizer: | W. Clyde | Enterer: | W. Clyde |
| Modifier: | W. Clyde | Research group: | vertebrate |
| Created: | 2005-01-24 09:55:25 | Last modified: | 2005-01-24 11:55:25 |
| Access level: | the public | Released: | 2005-01-24 09:55:25 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 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] |