For citations:

Yanina T.A., Bolikhovskaya N.S., Sorokin V.M. The environment of the hyrcanian epoch in the Caspian Sea (based on paleontological data). Geomorfologiya i Paleogeografiya. 2025;56(1):69-97. (In Russ.) https://doi.org/10.31857/S2949178925010045. EDN: DNYXIM