Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 163, Figs. 1-7: L. Jurassic (M. Lias), Morocco. 1, 2, Slightly tangential and nearly axial longitudinal sections, x 50; 3, structural model with tangential and oblique cuts, the latter slightly inclined from the test axis, showing internal pillars and intervening pores; 4, fragment in oblique section showing pillars of the columellar structure, x 50; 5, section through part of the cribrate apertural face showing primary apertures, x 50; 6, slightly inclined transverse section, x 50; 7, microspheric specimen with early whorls sectioned vertical to the axis of coiling, x 50 (all from Hottinger, 1967).
