Aral Formation
The Aral Formation is a geologic formation in Kazakhstan. It preserves fossils dating back to the Neogene period. Much of its fossils consist of Glires and fish, though cetaceans and cryptobranchid salamanders are also known.
Paleobiota
The Aral Formation has yielded a rich variety of extinct mammals. Many of its mammal fauna consists of the clade Glires with rodents being particularly numerous.Osteichthyes
| Genus | Species | Notes | Images |
| Acipenser | Species indeterminate | A sturgeon. | |
| Cyprinidae indet. | Genus and species indeterminate | A carp. | |
| Esox | E. aralensis | A pike. | |
| Percidae indet. | Gensu and species indeterminate | A perch. |
Urodela
| Genus | Species | Notes | Images |
| Cryptobranchidae indet. | Genus and species indeterminate. | A giant salamander. | - |