Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 346, Figs. 4-6: L. Cretaceous (Berriasian), Switzerland. Opposite sides and outline of top view of holotype, x 50 (from Bartenstein, 1962).