Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 350, Figs. 19-21: Holocene, Venezuela. Opposite sides and apertural views of holotype, x 68 (from Bermudez and Seiglie, 1963).