Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 157, Figs. 7-10: U. Cretaceous, France. 7, L. Senonian, Les Martigues, Bouches-du-Rhône; median transverse section of undulating test showing radial beams in the interior and subepidermal network near the surface, x 28; 8-10, Cenomanian, Île Madame, Charente-Maritime; 8, axial section, x 28; 9, 10, side and edge views of exterior of lectotype (Coll. Sorbonne, Paris), x 33 (7, 8, from Neumann, 1967; 9, 10, from Loeblich and Tappan, 1964).