Vol. 55, No. 2, 2021
The 90th Anniversary of the Borissiak Paleontological Institute, Russian Academy of Sciences: from the “Golden Age” of Paleontology to New Perspectives
p. 117 abstract
A New Genus of Scaphopoda from the Lower Cretaceous of the Volga Region (Russia)
p. 137 abstract
An Exceptionally Large Lower Jaw of Lytoceratoidea from the Upper Bajocian of the Northern Caucasus
p. 141 abstract
Shell Microstructure of Septaliphoria excitata (Smirnova) (Rhynchonellida, Cyclothyrididae) from the Berriasian of the Russian Platform
p. 145 abstract
Review of the Family Tococladidae Carpenter (Insecta: Eoblattida) from the Permian of North America and Europe
p. 151 abstract
New Data on the Family Siricidae (Hymenoptera, Symphyta) in Baltic Amber
p. 157 abstract
The First Damselflies of the Family Kennedyidae (Odonata: Protozygoptera) from the Permian–Triassic Boundary Deposits of the Kuznetsk Basin, Russia
p. 166 abstract
A New Genus and Species of Malachite Beetles (Coleoptera, Dasytidae) in Baltic Amber
p. 174 abstract
New Tribe Palaeoanoplini trib. nov. (Coleoptera: Curculionidae) in Baltic Amber
p. 179 abstract
The First Finding of a Skin Beetle (Coleoptera, Dermestidae) from Sakhalinian Amber
p. 184 abstract
Striatolamia tchelkarnurensis Glickman (Elasmobranchii: Lamniformes), the Youngest Valid Striatolamia Species
p. 193 abstract
The Squamation Morphology and Stratigraphic Distribution of Isadia arefievi A. Minich (Actinopterygii, Eurynotoidiformes)
p. 205 abstract
A Review of the Genus Alloptox (Lagomorpha, Ochotonidae) from the Valley of Lakes, Central Mongolia, with Description of a New Species
p. 217 abstract
Pseudoschizaea sp. from the Early Jurassic of Italy: Fine Structure and Comparison
p. 224 abstract