Tatman Formation
Geologic formation in Wyoming, United States
Tatman Formation | |
---|---|
Stratigraphic range: Ypresian (Lostcabinian) ~55.8–50 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
Type | Formation |
Lithology | |
Primary | Shale |
Location | |
Coordinates | Tatman Formation (the United States) Show map of the United StatesTatman Formation (Wyoming) Show map of 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
The following fossils have been recovered from the formation:[1][2]
Flora
- Allantoidiopsis erosa
- Cercidiphyllum genetrix
- Cnemidaria magna
- Dombeya novimundi
- Eugenia americana
- Lygodium kaulfussi
- Platanus wyomingensis
- Platycarya castaneopsis
- Populus meigsii
- Salvinia preauriculata
- Thelypteris iddingsii
- Zingiberopsis isonervosa
- Alnus sp.
- Equisetum sp.
- aff. Typha sp.
- Alismataceae indet.
- Monocotyledoneae indet.
Wasatchian correlations
See also
References
- ^ a b Tatman Formation at Fossilworks.org
- ^ Wing et al., 1995
Bibliography
- 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