Contents

Stratigraphy and Geological Correlation

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Vol. 31, No. 4, 2023

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Early Jurassic (Sinemurian) Ammonoids from the Boulders of the Greek Quarry, Central Crimea

B. A. Zaitsev and A. P. Ippolitov p. 221  abstract

The Ammonite Catacadoceras barnstoni Beds and the Problem of the Separation of the Middle and Upper Substages of the Bathonian Stage in Northern Siberia

E. S. Shamonin, V. G. Knyazev and O. S. Dzyuba p. 275  abstract

Phytostratigraphic Scale of the Nonmarine Cretaceous of Northeast Asia: Attempts at Elaboration and Results

S. V. Shczepetov and A. B. Herman p. 299  abstract

Cenomanian Radiolarians and Stratigraphy of the Sel’-Bukhra Mountain Section, Republic of Crimea

L. G. Bragina and N. Yu. Bragin p. 313  abstract

Paleogene Stratigraphy and Foraminifera of the Submarine Lomonosov Ridge, Arctic Ocean

E. M. Bugrova p. 328  abstract

Paleogeography and Natural Environment of the Karelian Shore of the White Sea in the Holocene, as Shown by the Study of Lake Sediments from the Keret’ River Mouth

T. S. Shelekhova, N. B. Lavrova, Yu. S. Tikhonova, D. S. Tolstobrov and A. A. Vashkov p. 339  abstract

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