Tatman Formation | |
---|---|
Stratigraphic range: Ypresian (Lostcabinian) ~ | |
Type | Formation |
Lithology | |
Primary | Shale |
Location | |
Coordinates | 44°12′N108°36′W / 44.2°N 108.6°W Coordinates: 44°12′N108°36′W / 44.2°N 108.6°W |
Approximate paleocoordinates | 49°00′N91°30′W / 49.0°N 91.5°W |
Region | Wyoming |
Country | United States |
Extent | Bighorn Basin |
The Tatman Formation is a Wasatchian geologic formation in Wyoming. It preserves fossils dating back to the Ypresian stage of the Eocene period. [1]
The following fossils have been recovered from the formation: [1] [2]
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 | ||
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 | |||||||||
Volcanic | Yes | No | Yes | No | Yes | No | Yes | No | Yes | No | ||||||||||||
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