Koshelevka Formation

Koshelevka Formation
Stratigraphic range: Kungurian
TypeGeological formation
Location
RegionPerm
CountryRussia

The Koshelevka Formation is an early Permian formation from Russia, located on the banks of the Sylva River. It contains the Tshekarda/Chekarda lagerstätte, which is the most diverse Permian insect lagerstätte known.