Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 388, Figs. 10-19: U. Triassic (Norian), Sicily, Italy. 10, Longitudinal section, x 70; 11-15, schematic development of the test; 16, section through later chambers, x 130; 17, 18, longitudinal sections, x 130; 19, longitudinal section of holotype, x 110 (from Senowbari-Daryan, 1983).