Voloshina, A. M. (1976). Two new species of the genus Pseudocyclammina (Foraminifera) within the Berriasian deposits of the Tambov borehole (the Eastern Crimea). Dopovidi Akademii' Nauk Ukraii'ns'koyi RSR, Ser. B, Geologichni, Khimichni ta Biologichni Nauk. (4): 294-298.
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Voloshina, A. M.
1976
Two new species of the genus Pseudocyclammina (Foraminifera) within the Berriasian deposits of the Tambov borehole (the Eastern Crimea)
Dopovidi Akademii' Nauk Ukraii'ns'koyi RSR, Ser. B, Geologichni, Khimichni ta Biologichni Nauk