Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 264, figs. 6-8: U. Permian (Djulfian), Hubei Province, China. 6, Sagittal section, x 25; 7, 8, axial sections, x 25 (from J. X. Lin, 1980).
