Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 165, Figs. 12,14,15: M. Eocene, Dalmatia. 12, axial section, x 24; 14, exterior from side, x 7; 15, apertural view, x 7 (from Schubert, 1912).