Tatman Formation

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

Tatman Formation
Stratigraphic range: Ypresian (Lostcabinian)
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TypeFormation
Lithology
PrimaryShale
Location
Coordinates44.2°N 108.6°W / 44.2; -108.6
Approximate paleocoordinates49.0°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)

Fossil content

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

Flora

Wasatchian correlations

Wasatchian correlations in North America
FormationWasatchDeBequeClaronIndian MeadowsPass PeakTatmanWillwoodGolden ValleyColdwaterAllenbyKamloopsOotsa LakeMargaretNanjemoyHatchetigbeeTetas de CabraHannold HillCoalmontCucharaGalisteoSan JoseYpresian (IUCS) • Itaboraian (SALMA)
Bumbanian (ALMA) • Mangaorapan (NZ)
BasinPowder River
Uinta
Piceance
Colorado Plateau
Wind River
Green River
Bighorn
Piceance




Colorado Plateau





Wind River





Green River






Bighorn
WillistonOkanaganPrincetonBuck CreekNechakoSverdrupPotomacGoMLaguna SaladaRio GrandeNorth ParkRatonGalisteoSan 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
EnvironmentsAlluvial-fluvio-lacustrineFluvialFluvialFluvio-lacustrineFluvialLacustrineFluvio-lacustrineDeltaic-paludalShallow marineFluvialShallow marineFluvialFluvial
Wasatchian volcanoclastics

Wasatchian fauna

Wasatchian flora
VolcanicYesNoYesNoYesNoYesNoYesNo

See also

References

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

Bibliography

  • Wing, S. L.; J. Alroy, and L. J. Hickey. 1995. Plant and mammal diversity in the Paleocene to Early Eocene of the Bighorn Basin. Palaeogeography, Palaeoclimatology, Palaeoecology 115. 117–155. .
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