Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 248, Fig. 3: L. Carboniferous (M. Visean), Moscow Basin, USSR. Equatorial section, x 72 (from Ganelina, 1956).