On the Systematic Status of the Genus Bathropyramis Haeckel (Radiolaria, Nassellaria) E. O. AmonV. S. Vishnevskaya OriginalPaper 05 July 2023 Pages: 235 - 243
The First Find of Orbitolites (Foraminifera: Family Soritidae) in the Eocene of Armenia E. Yu. Zakrevskaya OriginalPaper 05 July 2023 Pages: 244 - 255
Problematic Porifera from the Lower Cambrian of Western Mongolia E. A. LuzhnayaE. A. ZhegalloA. L. Ragozina OriginalPaper 05 July 2023 Pages: 256 - 269
A New Zooproblematic Genus of the Family Siphogonuchitidae Yu. E. Demidenko OriginalPaper 05 July 2023 Pages: 270 - 277
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. BiakovA. V. Mazaev OriginalPaper 05 July 2023 Pages: 278 - 287
Taxonomic History and Type Material of Astarte pulchella Baily, 1858 (Mollusca: Bivalvia, Lutetiidae) I. A. GoncharovaJ. ToddS. V. Nikolaeva OriginalPaper 05 July 2023 Pages: 288 - 294
Miocene Hydrobiidae (Gastropoda) of the Eastern Paratethys A. V. Guzhov OriginalPaper 05 July 2023 Pages: 295 - 306
On the Dimorph Pair Lobosphinctes/Planisphinctes (Ammonoidea: Perisphinctidae) from the Uppermost Bajocian–Lowermost Bathonian of the Kuban River Basin (Northern Caucasus, Russia) V. V. MittaM. P. Sherstyukov OriginalPaper 05 July 2023 Pages: 307 - 317
Changes in Composition of the Family Mesorthopteridae (Insecta, Eoblattida) in the Permian and Triassic D. S. Aristov OriginalPaper 05 July 2023 Pages: 318 - 322
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
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
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
Fossil Burrows from the Eopleistocene Paleoichnological Locality of Sopaty Kurgan D. S. Ponomarenko OriginalPaper 05 July 2023 Pages: 343 - 352