-
Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 230, Fig. 1-5: L. Carboniferous (L. Visean), S. Urals. 1, Holotype, horizontal section, x 80; 2-5, transverse sections, x 80 (from Malakhova, 1975). courtesy of Michael Hesemann https://foraminifera.eu
-
Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 230, Fig. 1-5: L. Carboniferous (L. Visean), S. Urals. 1, Holotype, horizontal section, x 80; 2-5, transverse sections, x 80 (from Malakhova, 1975). courtesy of Michael Hesemann https://foraminifera.eu