// Workers AI · dad joke modeWhat did the Koshelevka Formation say? "I'm a rock-solid formation.
| Koshelevka Formation | |
|---|---|
| Stratigraphic range: Kungurian | |
| Type | Geological formation |
| Location | |
| Region | Perm |
| Country | Russia |
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.[1]
Paleobiota
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The Koshelevka Formation preserves over 200 insect species from 25 orders,[1] alongside numerous plant species. Other taxa are quite rare, however they do still appear, with the uraraneid Permarachne and centipede Permocrassacus being among them.[2][3]
References
[edit]- 1 2 Aristov, Danil S.; Rasnitsyn, Alexandr P. (2015). "New insects from the Kungurian of Tshekarda fossil site in Permian Territory of Russia" (PDF). Russian Entomological Journal. 24 (1): 17–35.
- ↑ Khramov, Alexander; Shear, William; Mercurio, Randy; Kopylov, Dmitry (2018). "The first Permian centipedes from Russia". Acta Palaeontologica Polonica. 63. doi:10.4202/app.00482.2018.
- ↑ Eskov, K. Y.; Selden, P. A. (2005). "First record of spiders from the Permian period (Araneae: Mesothelae)" (PDF). Bulletin of the British Arachnological Society. 13 (4): 111–116.