Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 343, Figs. 14-15: Miocene, Vienna Basin, Austria. Side and apertural views of holotype (MNHN, Paris), x 57 (from Loeblich and Tappan, 1955).
