Thaynes Limestone
The Thaynes Formation is a geologic formation in Montana and Idaho. It preserves fossils dating back to the Triassic period, such as Ammonoidea, Actinopterygii, Actinistia, Conodonta, Gastropoda, Nautiloidea, Ichthyosauria and others. A diverse fauna known as the Paris Biota[1] has been described from the Thaynes Formation.
| Thaynes Formation Stratigraphic range: Triassic | |
|---|---|
| Type | Formation |
| Underlies | Ankareh Formation |
| Overlies | Woodside Formation |
| Lithology | |
| Primary | limestone |
| Location | |
| Region | Montana, Idaho, Wyoming |
| Country | United States |
Thaynes Limestone within Green River Basin stratigraphy
See also
References
- Brayard et al. (2017): Unexpected Early Triassic marine ecosystem and the rise of the Modern evolutionary fauna. Science Advances 3 (2):e1602159; doi:10.1126/sciadv.1602159 https://advances.sciencemag.org/content/3/2/e1602159/tab-pdf
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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