Amber
B.F. Aparin
Layer Blue earth
Palvesk Fm.
Dr. E.V. Mychko and T. Chalitov on the background layer Blue earth
Primorskiy Quarry
Dr. E.V. Mychko on the background layer Blue earth
T. Chalitov, E.Yu. Suhacheva, B.F. Aparin
E.Yu. Suhacheva