Endothyranopsis crassa (Brady, 1870)

描述：

Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 248, Figs. 9-11: L. Carboniferous (Visean), Great Orme's Head, N. Wales. 9, Sagittal section (BMNH P38056, ex P4310), x 41; 10, 11, side and face view of lectotype (BMNH P41651, ex P35439), x 41 (from Loeblich and Tappan, 1964).