TY JOUR TI A new genus of stromatolites from the Paleoproterozoic of the Karelian craton KW stromatolites KW Paleoproterozoic KW Jatulian KW Karelian craton KW Fennoscandian Shield JO Vestnik of geosciences AU Lyutikov, A.V. AU Medvedev, P.. PY 2025 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"