Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 385, Figs. 6-10: U. Triassic (Rhaetian), Plackleswiese, Hohe Wand, Austria. 6, 7, Opposite sides of holotype, x 35; 8, 9, deep parallel sections showing thick walls, pore canals, and tapering chambers, x 35; 10, tangential section showing pore canals leading from proloculus, x 35 (from Kristan 1957).