Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 356, Figs. 1-4: Holocene, Lagoon at Nichujiao, Xisha Islands, China, at 6 m. 1, Side view of paratype, X 90; 2, 3, top and side views of holotype, X 90; 4, transverse section, X 140 (from S. Y. Zheng, 1979).