Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 349, Figs. 9-10: Holocene, shallow water, off Colombo, Sri Lanka. Edge and side views of holotype, x 90 (from McCulloch, 1977).