Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 448, Figs. 10-12: L. Cretaceous (Valanginian), Crimea, Ukraine. Face, top, and side views of holotype, x 73 (from Venkatachalapathy, 1968).
