Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 461, Figs. 1-5: Holocene, Los Testigos Reefs, off Venezuela. 1, 2, 4, Side view, attached side with central disk, and unattached side of holotype, x 143; 3, paratype attached to substrate, x 157; 5, side view, x 179 (from Seiglie, 1964).