Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 115, Figs. 1-7: U. Paleocene (Thanetian), E. Turkey. 1, Slightly oblique subaxial section, x 26; 2, 3, slightly oblique equatorial section of microspheric holotype, central part enlarged, x 66, and entire specimen, x 33; 4, centered oblique section, x 28; 5, axial section of paratype, x 37; 6, strongly inclined oblique section tangential to external surface, showing beams, secondary beams, rafters, and alveolar subepidermal network, x 24; 7, structural diagram showing apertures (a), beams (b), alveoles of subepidermal mesh (m), rafters (r), septa (s), and secondary beams (sb), enlarged (from Sirel and Gündüz, 1985).
