Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 286, Figs. 1-3: L. Permian (Asselian), southwest Darvaz. 1, 2, Axial section, inner whorls enlarged, x 100, and entire section, x 22; 3, axial section of holotype, x 22 (from Davydov, 1984).