Vol. 53, No. 6, 2019
Conservative Nature of Biomineral Structures as a Challenge for the Cladistic Method of Phylogeny Reconstruction (Illustrated by Two Groups of Dinosaur Eggs)
p. 551 abstract
Trace Fossils from the Vendian-Cambrian Transitional Strata of the Igarka Uplift (Northwestern Siberian Platform)
p. 566 abstract
Early Cambrian Tommotiids of Khairkhan Section (Central Tyva)
p. 575 abstract
On the Upper Maastrichtian Oysters of the Genus Rhynchostreon Bayle (Bivalvia, Gryphaeidae) from the Mountainous Crimea
p. 583 abstract
New Species of the Genus Chelotia (Pleurotomariidae, Gastropoda) from the Middle Eocene of Ukraine
p. 593 abstract
Craspeditidae (Ammonoidea) of the Russian Platform at the Jurassic–Cretaceous Boundary. II. Genus Hectoroceras Spath
p. 598 abstract
New Spiriferids (Brachiopoda) from the Middle–Late Permian of Northeastern Mongolian Boreal Basin
p. 611 abstract
A New Method for Description of Smooth Ostracod Shells, Using Permian and Triassic Ostracods from Eastern Europe
p. 616 abstract
New Conodont Species from the Famennian (Upper Devonian) of the Urals
p. 629 abstract
The First Record of a Lungfish (Dipnoi, Sarcopterygii) in the Famennian Deposits (Upper Devonian) of the Tver Oblast
p. 636 abstract
Turtles Protestudo bessarabica from the Late Miocene of Ukraine
p. 647 abstract
Finds of Ruminants and New Data on the Stratigraphy of the Late Miocene Locality of Fortep’yanka 2 (Northwest Caucasus, Adygea Republic)
p. 660 abstract