%0 Journal Article %A Olshtynska, Olexandra P. %D 1999 %I Begell House %N 3 %P 115-126 %R 10.1615/InterJAlgae.v1.i3.120 %T The main stages of evolutionary development of Bacillariophyta in the Cenozoic basins of Ukraine %U https://www.dl.begellhouse.com/journals/7dd4467e7de5b7ef,225be7ab43caa3bf,1c718cfc178ffe7d.html %V 1 %X The article is devoted to studies of taxonomic structure of diatom floras, which developed in the basins of the northern part of Tethys and the central part of Eastern Paratethys within the present territory of Ukraine from the second half of the Middle Eocene to the Holocene. General regularities and peculiarities of evolutionary development of diatom floras of the region are elucidated on the basis of analysis of dynamics of qualitative and quantitative changes in their taxonomic composition. %8 1999-06-01