1. On the Systematic Status of the Genus Bathropyramis Haeckel (Radiolaria, Nassellaria)

   • E. O. Amon
   • V. S. Vishnevskaya

   OriginalPaper 05 July 2023 Pages: 235 - 243

   

2. The First Find of Orbitolites (Foraminifera: Family Soritidae) in the Eocene of Armenia

   • E. Yu. Zakrevskaya

   OriginalPaper 05 July 2023 Pages: 244 - 255

   

3. Problematic Porifera from the Lower Cambrian of Western Mongolia

   • E. A. Luzhnaya
   • E. A. Zhegallo
   • A. L. Ragozina

   OriginalPaper 05 July 2023 Pages: 256 - 269

   

4. A New Zooproblematic Genus of the Family Siphogonuchitidae

   • Yu. E. Demidenko

   OriginalPaper 05 July 2023 Pages: 270 - 277

   

5. The First Finds of the Most Ancient Oyster-Like Bivalves of the Genus Prospondylus Zimmermann (Pectinidae, Prospondylidae) in the Lower Permian of the Southern Cis-Urals (Russia)

   • A. S. Biakov
   • A. V. Mazaev

   OriginalPaper 05 July 2023 Pages: 278 - 287

   

6. Taxonomic History and Type Material of Astarte pulchella Baily, 1858 (Mollusca: Bivalvia, Lutetiidae)

   • I. A. Goncharova
   • J. Todd
   • S. V. Nikolaeva

   OriginalPaper 05 July 2023 Pages: 288 - 294

   

7. Miocene Hydrobiidae (Gastropoda) of the Eastern Paratethys

   • A. V. Guzhov

   OriginalPaper 05 July 2023 Pages: 295 - 306

   

8. On the Dimorph Pair Lobosphinctes/Planisphinctes (Ammonoidea: Perisphinctidae) from the Uppermost Bajocian–Lowermost Bathonian of the Kuban River Basin (Northern Caucasus, Russia)

   • V. V. Mitta
   • M. P. Sherstyukov

   OriginalPaper 05 July 2023 Pages: 307 - 317

   

9. Changes in Composition of the Family Mesorthopteridae (Insecta, Eoblattida) in the Permian and Triassic

   • D. S. Aristov

   OriginalPaper 05 July 2023 Pages: 318 - 322

   

10. A New Species of the Genus Crusopimpla Kopylov et al., 2018 (Hymenoptera, Ichneumonidae, Pimplinae) from Upper Eocene Baltic Amber

    • A. R. Manukyan

    OriginalPaper 05 July 2023 Pages: 323 - 329

    

11. The First Record of a Species of the Genus Acicnemis Fairmaire (Coleoptera: Curculionidae) in Miocene Sumatran Amber

    • A. A. Legalov

    OriginalPaper 05 July 2023 Pages: 330 - 334

    

12. Revision of Permian Ray-Finned Fishes from the Kazankovo-Markino Formation of the Kuznetsk Basin

    • A. S. Bakaev

    OriginalPaper 05 July 2023 Pages: 335 - 342

    

13. Fossil Burrows from the Eopleistocene Paleoichnological Locality of Sopaty Kurgan

    • D. S. Ponomarenko

    OriginalPaper 05 July 2023 Pages: 343 - 352