Voloshina, A. M. (1970). First discovery of the genus Barkerina (Foraminifera) in the Albian of Volhyno-Podolia. Paleontologicheskii Zhurnal - Paleontological Journal. (4): 108-110.
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Voloshina, A. M.
1970
First discovery of the genus Barkerina (Foraminifera) in the Albian of Volhyno-Podolia