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Sphaerulina volgensis Ketat, 1982
Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 293, Figs. 4-6: L. Permian (L. Artinskian), Russia. 4, 5, Volgograd district; 4, sagittal section of holotype, x 60; 5, axial section of paratype, x 60 (from Ketat, 1982); 6, southeast Russian Platform, axial section, x 40 (from Gibshman and Sipko, 1985).courtesy of Michael Hesemann https://foraminifera.eu JPG file - 184.53 kB - 560 x 704 pixels added on 2023-04-0282 viewsForaminifera taxa Sphaerulina volgensis Ketat, 1982 † accepted as Caspiella volgensis (Ketat, 1982) †checked Le Coze, François 2023-04-02
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