Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 244, Figs. 7-8: L. Carboniferous (L. Visean), Kuznetsk Basin. 7, Axial section, x 67; 8, axial section of holotype, x 66 (from Grozdilova and Lebedeva, 1954).