Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 662, Figs. 1-3: . Holocene, Funafuti Lagoon, Funafuti Atoll, W. Pacific. Opposite sides and edge view of paratype, x 32 (from Loeblich and Tappan, 1964).
