Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 148, Figs. 13-15: U. Cretaceous (L. Maastrichtian), Ukraine. Opposite sides and apertural view of holotype, x 60 (from Voloshina, 1961).