Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 72, Figs. 8-10: U. Cretaceous (Cen?omanian), Egypt. Opposite sides and edge view of holotype, x 38 (from Omara, 1956).