| Niveau du gypse d'Aix Formation Stratigraphic range: Paleogene | |
|---|---|
 Limnoxenus olenus holotype | |
| Type | Formation |
| Location | |
| Country | France |
The Niveau du gypse d'Aix Formation is a geologic formation in France. It preserves fossils dating back to the Paleogene period.
The Les Sables de Glos Formation is a sandy Jurassic-age geologic formation in France. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.
The Lucas Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
The Monongahela Formation is a geologic formation in West Virginia, Pennsylvania, Ohio, and Maryland. It preserves fossils dating back to the Carboniferous and Permian periods.
The Liberty Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.
The Eau Claire Formation is a geologic formation in the north central United States. It preserves trilobite fossils from the Cambrian Period.
The Osgood Formation, also known as the Osgood Shale is a geologic formation in Indiana, Kentucky, and Ohio. It preserves fossils dating back to the Silurian period.
The St. Louis Formation is a geologic formation in Iowa. It preserves fossils dating back to the Carboniferous period.
The Wabaunsee Formation is a geologic formation in Kansas. It preserves fossils dating back to the Carboniferous period.
The Morrow Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Minturn Formation is a geologic formation in Colorado. It preserves fossils dating back to the Carboniferous period. Among the fossils preserved are of crinoids, spiriferid brachiopods, gastropods, and the spines and teeth of numerous sharks such as Petalodus
The Weber Formation is a geologic formation in Colorado. It preserves fossils dating back to the Carboniferous period.
The Dyer Formation is a geologic formation in Colorado. It preserves fossils dating back to the Devonian period.
The Ouray Formation is a geologic formation in Colorado. It preserves fossils dating back to the Devonian period.
The Farisita Formation is a geologic formation in Colorado. It preserves fossils dating back to the Paleogene period.
The Huerfano Formation is a geologic formation in Colorado. It preserves fossils dating back to the Paleogene period.
The Animas Formation is a geologic formation in Colorado. It preserves fossils dating back to the Paleogene period.
The Amherstburg Formation is a geologic formation in Ontario, Canada and Michigan, United States. It preserves fossils dating back to the Devonian period.
The Coumiac Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period.
The Argiles de Châtillon is a geologic formation in France. It preserves fossils dating back to the Jurassic period. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.
The Bois Blanc Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
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