Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 456, Figs. 4-7: U. Cretaceous (L. Cenomanian), Azerbaijan. Opposite sides, top, and base of holotype, x 90 (from Aliyulla, 1966).
