Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 335, Figs. 8-10: L. Jurassic (Lias), Germany. Specimens showing coiled second chamber of one to four volutions and later chambers forming an entire volution, x 100 (from Knauff, 1966).