Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 48, Figs. 8-10: Holocene, Kurile Kamchatka Trench, Pacific. 8, 9, Holotype, side and face views, x 40; 10, apertmal view of specimen with numerous openings, x 40 (from Saidova, 1970).