Tuxedni Group

Tuxedni Formation
Tuxedni Formation
Stratigraphic range: Bajocian–Bathonian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Underlies	Chinitna Formation
Thickness	300-400 m
Lithology
Primary	sandstone, siltstone and shale
Location
Region	Alaska
Country	United States

Last updated June 07, 2025

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]

References

↑ 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.

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[1] 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.

[1]

Tuxedni Formation
Stratigraphic range: Bajocian–Bathonian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Underlies	Chinitna Formation
Thickness	300-400 m
Lithology
Primary	sandstone, siltstone and shale
Location
Region	Alaska
Country	United States

Tuxedni Group

See also

References