Bibliographic Detail
Khursevich, G.K. & Lupikina, E.G., 1992
Reference:
Khursevich, G.K. & Lupikina, E.G. (1992). New freshwater species of the genus Actinocyclus Ehr. (Bacillariophyta) from the Upper Miocene deposits of Kamchatka. Algologia 2(1): 71-73.