Siphoglobulina siphonifera Parr 1950

Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification.  Van Nostrand, Reinhold Co. New York 1728 pp. Plate 469, Figs. 3-5: Miocene, Australia. Base, side, and face views, x 40 (from Loeblich and Tappan, 1964).