Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 45, Figs. 13-14: Holocene, Caribbean, off Cuba at 1,140 m. 13, Holotype, side view, x 19.5; 14, enlargement of final chamber of same showing long neck of earlier chamber within, x 41.
