Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 341, Figs. 12-14: L. Pleistocene, New Zealand. Apertural view and opposite sides of holotype, x 32 (from Vella, 1957).