Tuxedni Group
Appearance
Tuxedni Formation | |
---|---|
Stratigraphic range: | |
Type | Formation |
Underlies | Chinitna Formation |
Thickness | 300-400 m |
Lithology | |
Primary | sandstone, siltstone and shale |
Location | |
Region | Alaska |
Country | United States |
The Tuxedni Formation is a geologic formation in Alaska. It preserves fossils dating back to the Jurassic period. An indeterminate ophthalmosaurid is known from the formation.[1]
See also
[edit]References
[edit]- ^ Druckenmiller, Patrick S.; Maxwell, Erin E. (January 2014). "A Middle Jurassic (Bajocian) ophthalmosaurid (Reptilia, Ichthyosauria) from the Tuxedni Formation, Alaska and the early diversification of the clade". Geological Magazine. 151 (1): 41–48. doi:10.1017/S0016756813000125. ISSN 0016-7568.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.