Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 242, Figs. 4-6: L. Carboniferous (Tournaisian), USSR. 4, Axial section, x 70; 5, sagittal section of holotype, x 70; 6, sagittal section of smaller paratype, x 70 (from Lipina, 1955).