Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 456, Figs. 10-11: Holocene, Gulf of California, Mexico, at about 60 m. Side and apertural views, x 101 (from McCulloch, 1977).
