Orbitammina elliptica (d'Archiac, 1843)

Açıklama:

 Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification.  Van Nostrand, Reinhold Co. New York 1728 pp. Plate 92, Figs. 6-10: U. Jurassic (Bathonian), France. 6, Schematic drawing of axial section along line A-B of figure 7, showing chambers with secondary chamberlets and connecting perforations, x 130; 7, superficial equatorial section along line X-Y of figure 6, x 130; 8, part of equatorial section, x 30; 9, sketch of neotype showing early peneropline stage restored, x 2.5, 10, photograph of neotype, x 3 (from Bonte, 1944). courtesy of Michael Hesemann https://foraminifera.eu