Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 356, Figs. 5-7: Holocene, Nichujiao, Xisha Islands, China. 5, 6, Apertural and side views of holotype, x 65; 7, transverse section, x 130 (from S. Y. Zheng, 1979).Author Le Coze, FrançoisJPG file - 32.58 kB - 285 x 209 pixelsadded on 2023-07-16130 viewsForaminifera taxaSigmoilinella tortuosa Zheng, 1979checked Le Coze, François 2023-07-16 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License