Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 326, Figs. 23-25: Permian, Cyprus. 23, Axial section of holotype, in which thick wall appears dark and chamber cavity light, x 20; 24, diagrammatic sketch of same, x 20; 25, equatorial section of paratype showing absence of septation, x 20 (from Reichel, 1945).