Khursevich, G.K. & Mukhina, V.V. (1986). New species of Cyclostephanos (Bacillariophyta) from the Pliocene deposits of the Black Sea. Doklady Academii Nauk BSSR, 30(5): 456-459
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Khursevich, G.K. & Mukhina, V.V.
1986
New species of Cyclostephanos (Bacillariophyta) from the Pliocene deposits of the Black Sea