Vol. 59, No. 2, 2025

Paleontological Journal

New Vendian Metazoa with Colonial Organization

E. A. Luzhnaya p. 113 abstract

A New Genus of Streblopteria-Like Bivalves from the Late Permian of the Balygychan Block (Northeast Russia)

A. S. Biakov p. 119 abstract

New Data on the Systematic Composition of Early Triassic Ammonoids from the Shimanskyites shimanskyi Zone of the Kamenushka River Basin, South Primorye, and Their Phylogenetic and Stratigraphic Significance

Y. D. Zakharov, L. G. Bondarenko, O. P. Smyshlyaeva, A. M. Popov, G. I. Guravskaya, F. Wang, I. V. Borisov, and N. N. Barinov p. 125 abstract

A New Middle Ordovician Strophomenid Species (Brachiopoda, Strophomenata) from the Western Part of the Gorny Altai

T. A. Shcherbanenko, and N. V. Sennikov p. 150 abstract

Use of Isotopic Analysis of Insect and Freshwater Crustacean Chitin from Quaternary Sediments for Reconstruction of Past Natural Environments

E. I. Izyumova, S. A. Kuzmina, D. S. Kopylov, A. V. Tchabovsky, A. V. Tiunov, and A. A. Kotov p. 154 abstract

A New Species Dunbaria elkunensis sp. nov. (Insecta: Palaeodictyoptera: Spilapteridae) from the Middle Permian Golyusherma Locality, Udmurtia, Russia: the Youngest Known Spilapteridae

N. D. Sinitshenkova p. 168 abstract

New Early Frasnian Conodonts, Icriodus aqua sp. nov. and I. lacrima sp. nov. from the Ust’-Yarega Formation of Southern Timan, Russia

M. A. Soboleva, and V. M. Nazarova p. 175 abstract

First Find of Discordichthys spinifer A. Minikh in the Kazanian of the Udmurt Republic (Cis-Ural Region, Russia) and Stratigraphic Distribution of Discordichthyidae (Osteichthyes: Discordichthyiformes)

A. S. Bakaev, S. M. Bazhenov, and A. S. Alalykin p. 185 abstract

Sea Turtles from the Upper Cretaceous of the Penza Oblast (Russia)

E. A. Zvonok, M. S. Arkhangelsky, Yu. A. Glazunov, V. A. Glazunov, A. S. Glushkov, and I. G. Danilov p. 191 abstract

Discovery of Discosauriscid Seymouriamorphs (Tetrapoda) in the Middle Permian of Eastern Europe

V. V. Bulanov p. 202 abstract

A Loon (Aves, Gaviiformes) from the Upper Miocene of Mongolia

N. V. Zelenkov p. 215 abstract

Contents

Paleontological Journal