Pseudocolonies of Silurian Rugoses Microplasma schmidti Dybowski from Estonia: Morphology and Origin E. S. Kazantseva OriginalPaper 13 October 2021 Pages: 469 - 476
Microstructure of the Tubes of Cambrian Zooproblematics of the Family Hyolithellidae Yu. E. Demidenko OriginalPaper 13 October 2021 Pages: 477 - 488
New Findings of Early Triassic Representatives of the Suborders Ussuritina and Paraceltitina (Ammonoidea) from South Primorye O. P. SmyshlyaevaY. D. Zakharov OriginalPaper 13 October 2021 Pages: 489 - 496
On the System and Phylogeny of the Beyrichitidae (Ammonoidea, Middle Triassic) A. G. Konstantinov OriginalPaper 13 October 2021 Pages: 497 - 510
Ammonites of the Ryazanian Stage of the Russian Platform: Genus Pronjaites Sasonova V. V. Mitta OriginalPaper 13 October 2021 Pages: 511 - 519
A New Genus Kislovodskoceras (Desmoceratidae, Ammonoidea) from the Middle Aptian of the Vicinity of Kislovodsk (Northern Caucasus) K. S. Polkovoy OriginalPaper 13 October 2021 Pages: 520 - 528
Bimineral Skeleton of Acoscinopleura crassa (Bryozoa, Cheilostomata) from the Maastrichtian of Germany Revealed Using X-ray Microtomography A. V. Pakhnevich OriginalPaper 13 October 2021 Pages: 529 - 537
Some Ostracods of the Syadai Formation (Silurian) in the Polar Urals L. M. MelnikovaA. N. PlotitsynI. V. Vikentev OriginalPaper 13 October 2021 Pages: 538 - 544
Caddisflies (Insecta, Trichoptera) from the Upper Mesozoic Chernovskie Kopi Locality (Transbaikalia): Part 2. Larval Cases I. D. SukachevaD. V. Vasilenko OriginalPaper 13 October 2021 Pages: 545 - 551
The Oldest Representative of the Superfamily Hagloidea (Orthoptera) from the Upper Permian of Russia, with Remarks on Katydid-Like Forms from the Paleozoic A. V. Gorochov OriginalPaper 13 October 2021 Pages: 552 - 558
Paleobiogeographical Analysis of Assemblages of Cenomanian Elasmobranchs (Chondrichthyes, Elasmobranchii) A. V. Biriukov OriginalPaper 13 October 2021 Pages: 559 - 570
Miocene Ochotonids of the Genus Bellatona (Lagomorpha, Mammalia) from Mongolia M. A. ErbajevaB. Bayarmaa OriginalPaper 13 October 2021 Pages: 571 - 578
Fossil Organisms of the Redkino Regional Stage of the Upper Vendian of the Northwestern Russian Platform (Leningrad Region) E. Yu. GolubkovaI. M. BobrovskiyYu. V. Plotkina OriginalPaper 13 October 2021 Pages: 579 - 587