Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 183, Figs. 1-4: U. Cretaceous (U. Cenomanian-Turonian), Kosovo. 1, Horizontal section of large microspheric test, x 11; 2, oblique section intersecting the marginal zone, x 50; 3, nearly horizontal section showing radial beams, x 50; 4, axial section of holotype, megalospheric, x 50 (from Danilova, 1963).