Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 151, Figs. 5-6: Holocene, Bay of Sepetiba, Brazil. 5, Side view of holotype, SEM, x 500; 6, side view, SEM, x 360 (from Brönnimann, 1981).
