MP-38: Early/Lower Eocene, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Procreodi
- Arctocyonidae
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Thryptacodon barae
Gingerich 1989
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Reptilia
- Anguidae
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Melanosaurus maximus
Gilmore 1928
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus sp.
Agassiz 1843
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Park |
| Coordinates: | 44.6° North, 108.9° West (view map) | ||||
| Paleocoordinates: | 49.2° North, 92.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Early/Lower Tertiary | *Epoch: | Early/Lower Eocene |
| *International age/stage: | Wasatchian | ||
| Key time interval: | Early/Lower Eocene | ||
| Age range of interval: | 56.00000 - 47.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | lithified "siliciclastic" | ||
| Secondary lithology: | red mudstone | ||
| Includes fossils? | Y | ||
| Lithology description: "bright orange [mudstone] exposures" | |||
| 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),field collection,survey of museum collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | UMMP |
| Taxonomic list comments:Wa-0 | |
Metadata
| Database number: | 27350 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 2002-12-03 13:12:51 | Last modified: | 2005-12-10 19:32:33 |
| Access level: | the public | Released: | 2002-12-03 13:12:51 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1657. | P. D. Gingerich. 1989. New earliest Wasatchian mammalian fauna from the Eocene of northwestern Wyoming: composition and diversity in a rarely sampled high-floodplain assemblage. University of Michigan Papers on Paleontology 28:1-97 [J. Alroy/J. Alroy/J. Alroy] |
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] |