TY JOUR TI Triassic-Jurassic Boundary in the Anabar Bay Section (Northern Yakutia) KW Rhaetian KW Hettangian KW stratigraphy KW bivalves KW Siberia JO Russian Journal of Earth Sciences AU Lutikov, O.A. AU Sobolev, E.S. AU Rogov, M.A. AU Ilyina, N.V. AU Alexandrova, G.N. PY 2024 IS 24 PB Geophysical Center of the Russian Academy of Sciences