Vol. 55, No. 4, 2021

Paleontological Journal

The First Discovery of Colonial Radiolarians in Jurassic Sediments (Arctic Zone of Siberia)

V. S. Vishnevskaya, E. O. Amon, Yu. A. Gatovsky and E. A. Zhegallo p. 355 abstract

A New Genus Balkhanomeandra (Scleractinia) from the Lower Cretaceous of Turkmenistan and Azerbaijan

I. Yu. Bugrova p. 362 abstract

First Record of the Genus Unionites Wissmann (Bivalvia) in the Boreal Permian of Northeast Russia

A. S. Biakov and R. V. Kutygin p. 372 abstract

New Species of Chama (Bivalvia) from the Middle Eocene of Southern Ukraine

A. A. Berezovsky p. 378 abstract

Finds of Upper Devonian Linguloids of the Genus Paterula Barrande (Family Paterulidae Cooper) in the Volga–Ural and Timan–Pechora Regions

T. N. Smirnova and E. A. Zhegallo p. 384 abstract

New Data on Cretaceous Caddisflies Family Vitimotauliidae (Insecta, Trichoptera) from Buryatia (Khasurty Locality)

I. D. Sukatsheva and D. S. Aristov p. 391 abstract

New Damselflies of the Family Kennedyidae (Odonata: Protozygoptera) from the Upper Permian of the Vologda Region

A. S. Felker p. 396 abstract

A New Genus of the Tribe Cossonini (Coleoptera: Curculionidae) in Baltic Amber (Poland)

A. A. Legalov, J. Kupryjanowicz and E. E. Perkovsky p. 405 abstract

A New Genus of Elephant Fish (Holocephali: Callorhinchidae) from the Late Jurassic of Central Russia

E. V. Popov and K. M. Shapovalov p. 410 abstract

Early Miocene Ponyfishes (Acanthuriformes, Leiognathidae) of the Carpathian Basin

O. M. Kovalchuk, E. Świdnicka and K. Stefaniak p. 421 abstract

New Data on Trematosauroid Labyrinthodonts of Eastern Europe: 5. Genus Thoosuchus Efremov, 1940

I. V. Novikov p. 429 abstract

New Bird Taxa (Aves: Galliformes, Gruiformes) from the Early Eocene of Mongolia

N. V. Zelenkov p. 438 abstract

Bacterial Remains in the Lower Proterozoic Red-Colored Quartzites

M. M. Astafieva, S. B. Felitsyn and N. A. Alfimova p. 447 abstract

Uniquely Preserved Fungi in the Vendian (Ediacaran) of Yakutia

P. N. Kolosov p. 455 abstract

A New Method of Digital Whitening of Macrofossil Images

D. N. Kiselev p. 462 abstract