Vol. 55, No. 8, 2021

Paleontological Journal

Asselian and Sakmarian (Lower Permian) Radiolarian Ecozones of the South Urals (Russia)

M. S. Afanasieva p. 825 abstract

Microfauna and Stratigraphy of the Ogarkovo Jurassic–Cretaceous Reference Section on the Unzha River (Russia, Kostroma Region)

T. N. Palechek, V. V. Mitta, M. A. Ustinova, E. M. Tesakova, E. A. Zhegallo and L. V. Zaytseva p. 863 abstract

Lower Carboniferous Gastropods of Dombar Hills (Viséan–Serpukhovian Boundary Beds, Western Kazakhstan)

A. V. Mazaev p. 876 abstract

Paekthoblatta, a New Predatory Cockroach Genus (Insecta: Blattaria: Raphidiomimidae) from the Lower Cretaceous of Paektho-Dong, Sinuiju, Democratic People’s Republic of Korea

K. S. So, C. G. Won, C. J. Ri, S. H. Jon and I. Y. Ju p. 906 abstract

A New Species of Spinaeblattina Hinkelman, 2019 (Insecta, Blattaria, Mesoblattinidae) from the Lower Cretaceous of Paektho-Dong, Sinuiju, Democratic People’s Republic of Korea

K. S. So, C. G. Won, C. J. Ri, S. H. Jon and I. Y. Ju p. 910 abstract

A New Tortoise from the Pleistocene of Argentina with Comments on the Extinction of Late Pleistocene Tortoises and Plant Communities

F. L. Agnolin p. 913 abstract

The Diet of Pliohippus potosinus [Equidae, Mammalia] from the Late Miocene Paso del Águila Local Fauna, San Luis Potosí, México

V. A. Pérez-Crespo, I. Ferrusquía-Villafranca, J. E. Ruiz-González, J. R. Torres-Hernández, E. Cienfuegos-Alvarado and E. Martínez-Hernández p. 923 abstract

Contents

Paleontological Journal