Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 142, Figs. 16-19: U. Cretaceous (U. Santonian), Lviv district, Ukraine.16-18, Opposite sides and top view, x 60; 19, basal view, x 75 (from Voloshina, 1972).