Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 54, Figs. 10-12: Jurassic (Oxfordian), Switzerland. 10, 12, Horizontal sections, x 75; 11, axial section, x 75 (from Mohler, 1938).