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details | Barremian | Aptian | USSR(Far East) | Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. | 1961 |
details | Aptian | Albian | USSR(Yakut ASSR) | Verbitskaya,Z.I. Characteristics of the Basic spore-pollen complexes of Mesozoic deposits. (In: The History of Upper Mesozoic Coal Accumulation in the Territory of Buryat ASSR and the Southeast Part of the Lensk Basin.) | 1963 |