Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 462, Figs. 4-6: Holocene, Iberian abyssal plain at 4,096 m. 4, Edge view of paratype, x 66; 5, apertural view of paratype, x 109; 6, side view of paratype, x 105; all SEM (from R. W. Jones, 1984).
