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Tatman Formation

Coordinates: 44°12′N 108°36′W / 44.2°N 108.6°W / 44.2; -108.6
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Tatman Formation
Stratigraphic range: Ypresian (Lostcabinian)
~55.8–50 Ma
TypeFormation
Lithology
PrimaryShale
Location
Coordinates44°12′N 108°36′W / 44.2°N 108.6°W / 44.2; -108.6
Approximate paleocoordinates49°00′N 91°30′W / 49.0°N 91.5°W / 49.0; -91.5
RegionWyoming
Country United States
ExtentBighorn Basin
Tatman Formation is located in the United States
Tatman Formation
Tatman Formation (the United States)
Tatman Formation is located in Wyoming
Tatman Formation
Tatman Formation (Wyoming)

The Tatman Formation is a Wasatchian geologic formation in Wyoming. It preserves fossils dating back to the Ypresian stage of the Eocene period.[1]

Fossil content

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The following fossils have been recovered from the formation:[1][2]

Flora

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Wasatchian correlations

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Wasatchian correlations in North America
Formation Wasatch DeBeque Claron Indian Meadows Pass Peak Tatman Willwood Golden Valley Coldwater Allenby Kamloops Ootsa Lake Margaret Nanjemoy Hatchetigbee Tetas de Cabra Hannold Hill Coalmont Cuchara Galisteo San Jose Ypresian (IUCS) • Itaboraian (SALMA)
Bumbanian (ALMA) • Mangaorapan (NZ)
Basin Powder River
Uinta
Piceance
Colorado Plateau
Wind River
Green River
Bighorn
Piceance




Colorado Plateau





Wind River





Green River






Bighorn
Williston Okanagan Princeton Buck Creek Nechako Sverdrup Potomac GoM Laguna Salada Rio Grande North Park Raton Galisteo San Juan
Tatman Formation is located in North America
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation
Tatman Formation (North America)
Country  United States  Canada  United States  Mexico  United States
Copelemur
Coryphodon
Diacodexis
Homogalax
Oxyaena
Paramys
Primates
Birds
Reptiles
Fish
Insects
Flora
Environments Alluvial-fluvio-lacustrine Fluvial Fluvial Fluvio-lacustrine Fluvial Lacustrine Fluvio-lacustrine Deltaic-paludal Shallow marine Fluvial Shallow marine Fluvial Fluvial
Wasatchian volcanoclastics

Wasatchian fauna

Wasatchian flora
Volcanic Yes No Yes No Yes No Yes No Yes No

See also

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References

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  1. ^ a b Tatman Formation at Fossilworks.org
  2. ^ Wing et al., 1995

Bibliography

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  • Wing, S. L.; Alroy, J.; Hickey, L. J. (1995), "Plant and mammal diversity in the Paleocene to Early Eocene of the Bighorn Basin", Palaeogeography, Palaeoclimatology, Palaeoecology, 115 (1–4): 117–155, Bibcode:1995PPP...115..117W, doi:10.1016/0031-0182(94)00109-L