Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 443, Figs. 15-17: L. Jurassic (Hettangian), Austria. 15, Longitudinal section showing nonlamellar wall, x 165; 16, small paratype, x 56; 17, side view of holotype, x 56 (from Fuchs, 1970).