Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 186, Figs. 7-10: L. Cretaceous (Barremian), Spain. 7, Nearly horizontal section, x 25; 8, vertical section, x 25; 9, vertical section through embryonal apparatus and first layer of chambers, x 70; 10, probably subaxial section of adult test, x 25 (from Schroeder, 1964).