THE MAIN STAGES IN EVOLUTION OF CARBONIFEROUS SPIRIFERIDA AND SPIRIFERINIDA (BRACHIOPODS) IN THE PALEOBASINS OF EASTERN EUROPE von Полетаєв, В.І.

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SOME LOWER FAMENNIAN (UPPER DEVONIAN) CYRTOSPIRIFERID BRACHIOPODS FROM THE VOLHYN-PODILLIAN PLATE (WESTERN UKRAINE) von Котляр, О.Ю., Серобян, В.

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