Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 239, Figs. 14-15: L. Carboniferous (U. Tournaisian), S. Urals. Type species of Spiroplectamminoides Skipp, non Magniez, nec Brönnimann and Beurlen. 14, Longitudinal section of holotype, x 100; 15, paratype, x 100 (from Chernysheva, 1940).