1. On the Evolution of Some Groups of Marine Bony Fishes in the Cenozoic of the Tethys and Paratethys

   • A. F. Bannikov
   • I. G. Erebakan

   OriginalPaper 25 September 2023 Pages: 475 - 490

   

2. Aptian–Albian Oysters from the Southwestern Spurs of the Gissar Ridge. Part 3. Genus Oscillopha Malchus

   • E. K. Metelkin
   • I. N. Kosenko

   OriginalPaper 25 September 2023 Pages: 491 - 499

   

3. New Data on the Genus Shikhanonautilus (Liroceratidae, Nautilida) from the Early Permian Shakhtau Reef

   • A. Yu. Shchedukhin

   OriginalPaper 25 September 2023 Pages: 500 - 506

   

4. Shell Ontogeny of the Type Species of the Genus Neouddenites (Ammonoidea, Medlicottiidae) from the Kungurian of Western Verkhoyanie

   • R. V. Kutygin

   OriginalPaper 25 September 2023 Pages: 507 - 515

   

5. The First Arthropod Trackways in the Lower Triassic of Eastern Europe from the New Mansurovo Locality, Orenburg Region

   • A. V. Uliakhin
   • A. G. Sennikov
   • I. V. Novikov

   OriginalPaper 25 September 2023 Pages: 516 - 528

   

6. New Caddisflies (Insecta: Trichoptera, Necrotauliidae, Philopotamidae) from the Jurassic of Asia and Their Triassic Ancestors

   • I. D. Sukatsheva
   • N. D. Sinitshenkova

   OriginalPaper 25 September 2023 Pages: 529 - 540

   

7. A New Species of the Family Electrotomidae (Hymenoptera, Symphyta, Tenthredinoidea) from the Baltic Amber

   • A. P. Rasnitsyn
   • A. R. Manukyan

   OriginalPaper 25 September 2023 Pages: 541 - 546

   

8. Clarification of the Systematic Position of the Weevils (Coleoptera) Described from the Middle Eocene of Germany

   • A. A. Legalov

   OriginalPaper 25 September 2023 Pages: 547 - 552

   

9. New Givetian Conodonts of the Genus Icriodus from the Kolyvan-Tom Folded Area (South of West Siberia)

   • N. G. Izokh

   OriginalPaper 25 September 2023 Pages: 553 - 559

   

10. Small Ducks (Aves: Anatidae) from the Early–Middle Miocene of Eurasia. Part 2. The Fauna of Tagay Locality (Baikal Region; Eastern Siberia)

    • N. V. Zelenkov

    OriginalPaper 25 September 2023 Pages: 560 - 572

    

11. Ovis gracilis sp. nov. (Artiodactyla, Bovidae) from the Lower Pleistocene of the Taurida Cave in the Crimea and History of the Genus Ovis

    • I. A. Vislobokova

    OriginalPaper 25 September 2023 Pages: 573 - 585

    

12. Fossil Organisms and Their Role in the Formation of Black Oncolites of the Vendian Kalancha Formation in the Baikal–Patom Highlands of Eastern Siberia

    • T. V. Litvinova

    OriginalPaper 25 September 2023 Pages: 586 - 596

    

13. Linteroceras nom. nov.—a New Replacement Name for the Genus Linter Shimansky, 1968 (Nautiloidea; Carboniferous)

    • A. A. Mironenko

    QUESTIONS OF NOMENCLATURE 25 September 2023 Pages: 597 - 597