1. Foreword

   • S. V. Rozhnov

   Abstract 09 January 2019 Pages: 1087 - 1087

2. Paleosols and Weathering Crusts of the Middle-Late Devonian in the Mikhailovskii Quarry (Kursk Magnetic Anomaly)

   • A. O. Alekseev
   • T. V. Alekseeva
   • P. I. Kalinin

   OriginalPaper 09 January 2019 Pages: 1088 - 1097

   

3. Hardgrounds of the Ordovician Baltic Paleobasin as a Distinct Type of Sedimentation Induced by Cyanobacterial Mats

   • S. V. Rozhnov

   OriginalPaper 09 January 2019 Pages: 1098 - 1113

   

4. Bacteriomorph Structures in Nodules, a Characteristic of Euxinic Conditions of Nodule Formation

   • A. I. Antoshkina

   OriginalPaper 09 January 2019 Pages: 1114 - 1125

   

5. Cambrian Photosynthetic and Chemosynthetic Ecosystems in the Siberian Craton

   • V. A. Luchinina

   OriginalPaper 09 January 2019 Pages: 1126 - 1130

   

6. Life in Ancient Cooling Lava

   • M. M. Astafieva

   OriginalPaper 09 January 2019 Pages: 1131 - 1147

   

7. The Biostratigraphic Paradox of Precambrian Cyanobacteria: Distinguishing the Succession of Microfossil Assemblages and Evolutionary Changes Observed among Proterozoic Prokaryotic Microorganisms

   • V. N. Sergeev

   OriginalPaper 09 January 2019 Pages: 1148 - 1161

   

8. Use of Morphology of Halophilic and Alkaliphilic Cyanobacteria as a Criterion for Detection of Soda Conditions in the Past

   • O. S. Samylina

   OriginalPaper 09 January 2019 Pages: 1162 - 1171

   

9. Traits of Biomorphic Structure Formation in Kamchatka Geyserites

   • E. A. Zhegallo
   • L. V. Zaytseva
   • G. A. Karpov

   OriginalPaper 09 January 2019 Pages: 1172 - 1178

   

10. Laboratory Simulation of “Proteolytic Bacterium–Cyanobacterium” Interaction in Alkaliphilic Microbial Community

    • Yu. V. Boltyanskaya
    • V. V. Kevbrin

    OriginalPaper 09 January 2019 Pages: 1179 - 1185

    

11. Microbial Communities of Soils and Soil-like Bodies in Extreme Conditions of East Antarctica

    • V. S. Soina
    • N. S. Mergelov
    • I. G. Shorkunov

    OriginalPaper 09 January 2019 Pages: 1186 - 1195

    

12. Unknown Widespread Iron- and Sulfur-Oxidizing Bacteria beneath the East Antarctic Ice Sheet

    • S. A. Bulat
    • M. V. Doronin
    • J.-R. Petit

    OriginalPaper 09 January 2019 Pages: 1196 - 1203

    

13. Gamma-IR Resistance of Bacteria in Soil and Permafrost

    • E. A. Vorobyova
    • V. S. Cheptsov
    • V. S. Soina

    OriginalPaper 09 January 2019 Pages: 1204 - 1216

    

14. Effect of Gamma Radiation on Viability of a Soil Microbial Community under Conditions of Mars

    • V. S. Cheptsov
    • E. A. Vorobyova
    • V. N. Lomasov

    OriginalPaper 09 January 2019 Pages: 1217 - 1223