Rybushka Formation
| Rybushka Formation | |
|---|---|
| Stratigraphic range: Campanian ~ | |
| Type | Geological formation |
| Lithology | |
| Primary | Sandstone |
| Other | Phosphorite |
| Location | |
| Coordinates | 51°18′N 45°00′E / 51.3°N 45.0°E |
| Approximate paleocoordinates | 42°36′N 40°12′E / 42.6°N 40.2°E |
| Region | Penza, Saratov |
| Country | Russia |
The Rybushka Formation is a Campanian geologic formation in the Penza and Saratov Oblasts of European Russia. Pterosaur, fish and invertebrate fossils have been recovered from the formation.