1. Chondrichthyans from the Lower Carboniferous of Yakutia, Russia

   • A. O. Ivanov

   OriginalPaper 09 January 2019 Pages: 697 - 706

   

2. Permian Nonmarine Bivalve Mollusks: Review of Geographical and Stratigraphic Distribution

   • V. V. Silantiev

   OriginalPaper 09 January 2019 Pages: 707 - 729

   

3. Lower Permian Conifers of the Cis-Urals: Taxonomic and Morphological Diversity and Paleoecology

   • S. V. Naugolnykh

   OriginalPaper 09 January 2019 Pages: 730 - 747

   

4. Challenges of Gondwanan Marine-Nonmarine Correlations—A Palynological Perspective

   • A. E. Götz
   • A. Wheeler

   OriginalPaper 09 January 2019 Pages: 748 - 754

   

5. New Data on Permian Bivalves and the Age of the Volcanogenic Beds of the Arman-Viliga Folded Zone, Northeastern Asia

   • A. S. Biakov
   • I. L. Vedernikov
   • E. V. Kolesov

   OriginalPaper 09 January 2019 Pages: 755 - 760

   

6. Bivalves from the Delendzhian–Dulgalakhian Boundary Beds of the Middle Permian of the Lower Reaches of the Lena River (Northern Verkhoyansk Region, Northern Siberia)

   • A. S. Biakov
   • R. V. Kutygin

   OriginalPaper 09 January 2019 Pages: 761 - 767

   

7. Revision of Late Permian Nonmarine Bivalves of the Genus Opokiella Plotnikov, 1949

   • M. N. Urazaeva

   OriginalPaper 09 January 2019 Pages: 768 - 776

   

8. The Nonmarine Bivalve Permianaia gen. nov., the Last Member of Naiaditidae from the Terminal Permian the East European Platform

   • V. V. Silantiev
   • M. N. Urazaeva
   • V. K. Golubev

   OriginalPaper 09 January 2019 Pages: 777 - 790

   

9. New Stage of Recovery of East European Tetrapod Community after Permian–Triassic Crisis

   • I. V. Novikov

   OriginalPaper 09 January 2019 Pages: 791 - 795

   

10. Early Kazanian (Middle Permian) Gastropods

    • A. V. Mazaev

    OriginalPaper 09 January 2019 Pages: 796 - 827