Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 161, Figs. 7-10: U. Jurassic (Oxfordian), Saudi Arabia. 7, Deeply abraded specimen, x 25; 8, 9, opposite sides of holotype, x 26; 10, weathered fragment of paratype from which small outer partitions have been eroded, x 25 (from Redmond, 1964).