Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 391, Figs. 9, 10: Holocene, beach of Avalau Island, Funafuti Atoll, S. Pacific. Edge and side views of holotype (BMNH ZF 3577), x 93 (from Loeblich and Tappan, 1955).