The Tuxedni Formation is a
geologic formation in
Alaska. It preserves
fossils
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in ...
dating back to the
Jurassic period. An indeterminate
ophthalmosaurid
Ophthalmosauridae is an extinct family of thunnosaur ichthyosaurs from the Middle Jurassic to the early Late Cretaceous (Bajocian - Cenomanian) worldwide. Almost all ichthyosaurs from the Middle Jurassic onwards belong to the family, until the ex ...
is known from the formation.
See also
*
List of fossiliferous stratigraphic units in Alaska
*
Paleontology in Alaska
References
*
Geologic formations of Alaska
Jurassic System of North America
Bajocian Stage
Bathonian Stage
{{Jurassic-stub