Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 334, Fig. 12: L. Jurassic (U. Lias), Switzerland. "Holotype" (rect. lectotype), a small megalospheric individual, x 12 (from Wood, 1946).