Vol. 57, No. 4, 2023
New Radiolarian Species from the Lower Carboniferous of the Volga–Ural Basin and the Upper Carboniferous of the South Urals of Russia
p. 353 abstract
New Radiolarian Species of the Genus Patellula Kozlova from the Turonian–Maastrichtian Sections of Cyprus and Crimea
p. 366 abstract
The Earliest Representatives of the Genus Pinna (Bivalvia), from the Early Permian Reef of Shakhtau (Southern Cisuralia, Russia)
p. 375 abstract
New Nautilida from the Shakhtau Asselian–Sakmarian Reef Complex (Bashkortostan)
p. 380 abstract
On the Garantianinae (Ammonoidea: Stephanoceratidae) from the Upper Bajocian of the Kuban River Basin (Northern Caucasus, Russia)
p. 392 abstract
Shell Microstructure and Microornamentation of Three Lingulate Genera of the Families Discinidae and Trematidae from the Famennian of the New Siberian Islands
p. 401 abstract
New Species of the Genus Oryctocephalus Walcott from the Middle Cambrian of the Siberian Platform
p. 410 abstract
A Review of the Triassic Stoneflies (Insecta: Perlida = Plecoptera) with a Description of a New Genus and Species of the Family Perlariopseidae from the Dzhayloucho Locality, Kyrgyzstan
p. 417 abstract
New and Little Known Permosialidae (Insecta: Palaeomanteida) from the Upper Permian of Mongolia and the Middle or Upper Triassic of Kyrgyzstan
p. 422 abstract
Some Morphofunctional Features of the Tail of Early Archosaurs Related to Swimming Adaptations
p. 432 abstract
Small Ducks (Aves: Anatidae) from the Early–Middle Miocene of Eurasia. 1. A revision of Anas velox Milne-Edwards, 1868 and Anas soporata Kurochkin, 1976
p. 452 abstract
A New Antelope Tavridia gromovi gen. et sp. nov. (Artiodactyla, Bovidae) from the Lower Pleistocene of the Taurida Cave in the Crimea
p. 463 abstract
Uraloverneuilites nom. nov.: Replacement Name for the Preoccupied Genus Name Verneuilites Bensh et Kireeva, 1987 (Foraminifera; Permian)
p. 473 abstract