Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 20, Figs. 1-3: Holocene, Norway. 1, Individual in process of division, x 9; 2, walking on the muddy substrate, x 14; 3, holotype, standing upright on long spiculate rod, x 8 (from Christiansen, 1964).