Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 155, Figs. 1-3: U. Cretaceous (Cenomanian), Île Madame, Dept. Charente Maritime, France. 1, 2, Edge and side views of topotype, x 48 (from Loeblich and Tappan, 1964); 3, axial section of topotype showing subepidermal alveolar network and chamberlets, x 35 (from Neumann, 1967).
