Vol. 54, No. 1, 2020

Paleontological Journal

Archean Eukaryotes: A New Outlook

A. Yu. Rozanov and M. M. Astafieva p. 1 abstract

Coprolite with Conchostracans from the Terminal Permian of Central Russia—Paleobiological and Stratigraphic Significance

A. G. Sennikov, V. V. Bulanov and F. Scholze p. 6 abstract

The First Record of Gregoryceras (Ammonoidea, Aspidoceratidae) in the Middle Oxfordian of the Northern Part of Central Russia (Unzha River)

V. V. Mitta and A. V. Stupachenko p. 14 abstract

Morphogenesis Rate Variability and Modularity of Development in Jurassic Ammonites of the Genus Arcticoceras Spath, 1924

D. N. Kiselev p. 20 abstract

Ordovician Ostracods from the Chunya River Basin (A Right Tributary of the Podkamennaya Tunguska River, Siberian Platform)

T. V. Gonta p. 34 abstract

New Gryllones Insects (Insecta: Gryllones) from the Babii Kamen’ Locality (Upper Permian of Russia). Part 1. Order Eoblattida

D. S. Aristov p. 47 abstract

New Caddisflies (Insecta, Trichoptera) of the Philopotamidae Family from the Middle Jurassic of Siberia (Kubekovo Locality)

I. D. Sukatsheva and D. V. Vasilenko p. 53 abstract

A New Genus and Species of Scombrid Fish (Perciformes, Scombroidei, Scombridae) from the Lower Oligocene of the Caucasus

A. F. Bannikov p. 59 abstract

The Earliest Case of Neoplastic Bone Lesion in Tetrapods

I. V. Novikov, P. A. Haiduk, A. V. Gribanov, A. N. Ivanov, A. V. Novikov and I. A. Starodubtseva p. 68 abstract

On the Diversity and Morphology of Anserini (Aves: Anatidae) from the Late Miocene of Western Mongolia

N. V. Volkova and N. V. Zelenkov p. 73 abstract

Early Pleistocene Spiral-Horned Antelopes (Artiodactyla, Bovidae) from the Taurida Cave (Crimea, Russia)

I. A. Vislobokova, V. V. Titov, A. V. Lavrov, D. O. Gimranov, D. B. Startsev and K. K. Tarasenko p. 81 abstract