Insculptarenula texana (Cushman & Waters, 1927)

Description:

Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification.  Van Nostrand, Reinhold Co. New York 1728 pp. Plate 128, Figs. 11-13: U. Cretaceous, Texas. 11, 12, Kemp Clay, Guadalupe County, umbilical and spiral views of hypotype, SEM, x 100; 13, Corsicana Marl, Williamson County, edge view showing flat spiral side and strongly inflated umbilical side, SEM, x 100 (from Loeblich and Tappan, 1985).