Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 355, Figs. 15-16: Holocene, E. Pacific, W. of Port Utria, Colombia, at 70 m. Side and edge views of holotype, x 130 (from McCulloch, 1977).