Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 429, Figs. 8-12: U. Permian (Djulfian); 8, 9, 11, Himalayas, Ladakh, Kashmir; 10, 12, Iran. 8, 9, Transverse sections, x 54 and x 67, respectively; 10, longitudinal section passing through a bend in the test, x 50; 11, longitudinal section, x 67; 12, transverse section of holotype showing quadrangular outline, x 100 (8, 9, 11, from Lys et al., 1980; 10, 12, from Jenny-Dehusses, 1985). courtesy of Michael Hesemann https://foraminifera.eu
