Afrobolivina afra Reyment, 1959
Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 546, Figs. 1-7: U. Cretaceous (Maastrichtian), Nigeria. 1, Side view of megalospheric test showing anastomosing system of ridges derived from intercameral septa, x 100; 2, 5, megalospheric test showing regular lobation and pronounced intralobular ridges, Iobes between the ridges not inflated, x 80, and basal part enlarged to show ridges and intervening Iobes, x 200; 3, transverse half-section, megalospheric showing chamber wall and radial septula between Iobes, x 167; 4, dissected final chamber, x 126, showing crenulated terminal wall of penultimate chamber (w), intercameral foramen (f), lip of preceding toothplate (t), apertural depression (d). and chamber Iumen (I); 6, exterior of microspheric test, x 60; 7, young megalospheric test, showing some proximally bifurcating chamber Iobes but no intralobular ridges. x 105 (1, 2, 5, 7, SEM, from Reyment and E. Reyment, 1979)
JPG file - 1.07 MB - 1 624 x 1 892 pixels
added on 2024-02-0496 viewsCaRMS taxa
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
Comment (0)