Tatman Formation

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Tatman Formation
Stratigraphic range: Ypresian ()
~55.8–50 Ma
TypeFormation
Lithology
PrimaryShale
Location
Coordinates44°12′N 108°36′W / 44.2°N 108.6°W / 44.2; -108.6Coordinates: 44°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)

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[]

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

Flora[]

Wasatchian correlations[]

Wasatchian correlations in North America
Formation Wasatch DeBeque Claron Indian Meadows Pass Peak Tatman Willwood Golden Valley Coldwater Allenby 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 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 Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Coryphodon Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Diacodexis Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Homogalax Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Oxyaena Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Paramys Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg Orange pog.svg
Primates Brown pog.svg Brown pog.svg Brown pog.svg Brown pog.svg Brown pog.svg Brown pog.svg Brown pog.svg
Birds White pog.svg White pog.svg White pog.svg White pog.svg White pog.svg
Reptiles SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg SpringGreen pog.svg
Fish Blue pog.svg Blue pog.svg Blue pog.svg Blue pog.svg Blue pog.svg Blue pog.svg Blue pog.svg
Insects Steel pog.svg Steel pog.svg Steel pog.svg Steel pog.svg Steel pog.svg Steel pog.svg
Flora Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg Green pog.svg
Environments Alluvial-fluvio-lacustrine Fluvial Fluvial Fluvio-lacustrine Fluvial Lacustrine Fluvio-lacustrine Deltaic-paludal Shallow marine Fluvial Shallow marine Fluvial Fluvial
Pink ff0080 pog.svg Wasatchian volcanoclastics

Orange pog.svg Wasatchian fauna

Dark Green 004040 pog.svg Wasatchian flora
Volcanic Yes No Yes No Yes No Yes No Yes No

See also[]

References[]

  1. ^ a b 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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