Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 195, Figs. 1-4: M. Miocene (Tortonian), Spain. 1, 2, Side and top views, x 35 (from Gonzalez-Donoso, 1968); 3, horizontal section showing intercameral septum in the center and vertical radial partitions subdividing the outer part of the chambers, x 85; 4, longitudinal section showing coarsely agglutinated wall, and intersecting the radial partitions in a few places, x 35.
