Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 46, Figs. 18-20: Holocene, Pacific Ocean, at 275m. 18, Holotype, x 16; 19, top view, x 20; 20, side view, x 16 (from Saidova, 1961).