Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 399, Figs. 3-7: U. Cretaceous (Senonian), Trago di Noguera, Spain. 3, Equatorial section, x 4.5; 4, 5, exterior of specimen, x 4, and part enlarged to show meandriform chambers, x 10; 6, 7 axial section, x 40, and central part of same enlarged to show initial coil, x 185 (from Schlumberger, 1898).