Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 434, Figs. 28-29: L. Permian, N. central Siberia, Russia. 28, Longitudinal section, x 103; 29, longitudinal section showing mesolamellar wall, x 80 (from Gerke, 1961).Author Le Coze, FrançoisJPG file - 19.69 kB - 149 x 225 pixelsadded on 2023-06-0585 viewsForaminifera taxaProtonodosaria proceraformis (Gerke, 1952) †checked Le Coze, François 2023-06-05 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License