Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 366, Figs. 7-11: U. Cretaceous. 7-9, 11, Campanian, Murcia Province, Spain; 10, Maastrichtian of Cosina, Istria, Slovenia. 7, Tangential median section, x 41; 8, axial section, x 60; 9, equatorial section of holotype, x 29; 10, exterior, x 35; 11, equatorial section, x 41 (7-9, 11, from Fourcade, 1966; 10, from Hamaoui and Fourcade, 1973).