Rybushka Formation

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.

Fossil content
The following fossils have been reported from the formation:


 * Amylodon karamysh
 * Archaeolamna kopingensis
 * Bogolubovia orientalis
 * Cretolamna appendiculata
 * Ischyodus bifurcatus
 * Volgadraco bogolubovi
 * Pseudocorax laevis
 * Squalicorax kaupi
 * Squatina hasei
 * Chalmys sp.
 * Edaphodon sp.
 * Elasmodus sp.
 * Eostriatolamia sp.
 * Gryphaeostrea sp.
 * Heterodontus sp.
 * Monticulina sp.
 * Prognathodon sp.
 * Solariella sp.
 * Squatirhina sp.
 * ?Clidastes sp.
 * Chelospharginae indet.
 * Elasmobranchii indet.
 * Elasmosauridae indet.
 * Enchodontidae indet.
 * Mosasauridae indet.
 * Plesiosauria indet.
 * Polycotylidae indet.
 * Testudinata indet.
 * ?Thoracosaurinae indet.