Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 395, Figs. 4-8: . Paleocene, Yugoslavia. 4, Axial section of microspheric holotype showing umbilical depression at the sides, x 40; 5, axial section of microspheric test, x 40; 6, oblique section crossing the last three whorls and showing tendency to uncoil in the gerontic stage, x 40; 7, section of megalospheric testparallel to the equatorial plane, x 40; 8, oblique section intersecting the last two whorls, x 40 (from Drohne, 1975).