Sellialveolina viallii Colalongo, 1963

Description:

Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification.  Van Nostrand, Reinhold Co. New York 1728 pp. Plate 369, Figs. 5-8: U. Cretaceous (Cenomanian), S. Appenines, Italy. Type species of Sellialveolina Colalongo. 5, Equatorial section of paratype, x 55; 6, axial section of holotype, x 55; 7, axial section of megalospheric paratype, x 82; 8, structural diagram showing aperture (a), preseptal canal (c), secondary chamberlets (I); secondary parallel septula (p), and secondary transverse septula (t), (from Colalongo, 1963).