Bullalveolina bulloides (d'Orbigny in Guérin-Méneville, 1832)
Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 375, Figs. 3-8: M. Oligocene (Stampian), Gaas, Aquitaine, France. 3, Structural diagram, x 80; 4, axial section, x 88; 5, equatorial section, x 75; 6, axial section, x 94; 7, 8, equatorial and axial sections, both x 112 (from Reichel, 1937).