Vol. 54, No. 5, 2020
Morphology, Paleobiology and Systematics of the Mobergellids, a Group of Cambrian Problematic Fossils
p. 441 abstract
New Find of Inoceramus-Like Bivalves of the Genus Atomodesma in the Southern Verkhoyansk Region, and Invasions of Extra-Boreal Mollusks into Northeastern Asia during the Permian
p. 459 abstract
New Ammonoids from the Devonian–Carboniferous Boundary Beds in Berchogur (Western Kazakhstan)
p. 464 abstract
On New Records of Cephalopod Jaws from the Upper Bajocian (Middle Jurassic) of the Northern Caucasus (Russia, Karachay-Cherkessia)
p. 477 abstract
The Shell Microstructure of the Earliest Paterinids (Brachiopoda) and Its Postmortem Alteration
p. 487 abstract
Shell Microstructure in Representatives of the Genus Lingulipora Girty from the Frasnian (Upper Devonian) Deposits of Southern Timan
p. 501 abstract
On the Systematic Position of Ferganotoechia Rzhonsnitskaia, 1978 (Rhynchonellida, Brachiopoda)
p. 508 abstract
A New Bryozoan of the Genus Dianulites Eichwald from the Ordovician of Gorny Altai and the Russian Arctic
p. 514 abstract
New and Little Known Gryllones Insects (Insecta: Gryllones: Cnemidolestida, Reculida) from the Triassic of Eurasia
p. 524 abstract
Revision of Plioperdix (Aves: Phasianidae) from the Plio-Pleistocene of Ukraine
p. 531 abstract
Filamentous Cyanobacteria from the Vendian Deposits of the Nepa Regional Stage of Interior Areas of the Siberian Platform
p. 542 abstract
Findings of Diatom Algae in the Trunk and Buccal Cavity Content of a Mammoth from Sediments of the Late Pleistocene of Yakutia
p. 552 abstract