Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 365, Figs. 1-6: U. Cretaceous (Senonian), France. 1, 2, Top and side views of test with completely enveloping chambers, x 12; 3, transverse section of microspheric test, x 42; 4, transverse section of megalospheric test, x 18; 5, 6, side and top views of biloculine stage, x 22 (from Munier-Chalmas and Schlumberger, 1885).