Contents

Stratigraphy and Geological Correlation

Vol. 29, No. 6, 2021

Age and Provenance of the Riphean Rocks of the Chetlas Group of the Middle Timan: U–Th–Pb (LA-ICP-MS) Dating of Detrital Zircons

E. A. Brusnitsyna, V. B. Ershova, A. K. Khudoley, T. Andersen and A. V. Maslov p. 607  abstract

Distribution of Microfossils in the Vendian Deposits of the Orsha Depression of the East European Platform, Belarus

E. Yu. Golubkova, O. F. Kuzmenkova, E. A. Kushim, A. G. Laptsevich, S. S. Mankievič and Yu. V. Plotkina p. 627  abstract

Acritarch Elektoriskos? williereae (G. & M. Deflandre, 1965) Vanguestaine, 1979 emend. nov. from the Upper Ordovician of the Siberian Platform: New Morphological and Stratigraphic Data

E. G. Raevskaya and A. V. Dronov p. 641  abstract

New Data on Stratigraphy of the Jurassic (Pliensbachian–Aalenian) Sediments of the Cape Tsvetkov Region, Eastern Taimyr

O. A. Lutikov, B. N. Shurygin, V. V. Sapjanik, A. N. Aleinikov and A. S. Alifirov p. 655  abstract

Biochronological Scale of the Upper Toarcian–Lower Aalenian of Eastern Siberia by Bivalve Mollusks of the Genus Arctotis Bodylevsky, 1960

O. A. Lutikov p. 680  abstract

Paleontological and Spectrometric Characteristics of the Phytoleimmas of Middle–Late Jurassic Plants of the Southeast of Western Siberia

V. P. Ivanov and I. V. Rychkova p. 710  abstract

Environmental Evolution of Cape Maly Chukochy (Kolyma Lowland) in the Middle–Late Neopleistocene: Micropaleontological Evidence

O. G. Zanina, D. A. Lopatina, Ya. S. Ovsepyan, S. A. Kuzmina, A. Yu. Stepanova, E. E. Taldenkova, T. A. Vishnivetskaya and E. M. Rivkina p. 722  abstract

Discussions

Geological Features of the Bajocian–Bathonian in the Reference Section of the Izhma River Basin (European North of Russia) and the Succession of Ammonites of the Subfamily Arctocephalitinae Meledina

A. P. Ippolitov and D. N. Kiselev p. 742  abstract

Problems of the Stratigraphy of Quaternary Deposits in the Anui Valley and the Age of the Karama Site in the Altai Mountains

V. S. Zykin, V. S. Zykina and L. G. Smolyaninova p. 756  abstract

Errata

Erratum to: On the Composition and Age of Taphofloras of the Krivorechenskaya Formation (Upper Cretaceous) of the Anadyr River Left Bank, Northeast Asia

A. B. Herman and S. V. Shczepetov p. 765  abstract

Erratum to: Middle Permian (Late Murgabian) Fusulinids of the Jamal Formation, Tabas Area, Iran

H. Yarahmadzahi and E. Ja. Leven p. 766  abstract