@article{Olshtynska_2016 author = {Olexandra P. Olshtynska and T.A. Stefanskaya }, title = {The First Record of Bacillariophyta Imprintson Shells of Foraminifera Spiroplectammina Cushman (Lower Oligocene of Southern Ukraine) }, journal = {International Journal on Algae}, issn = {1521-9429}, year = {2016}, volume = {18}, number = {3}, pages = {287--300} }