Silvestriella tetraedra (Gümbel, 1870)
Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 778, Figs. 7-9: Eocene; 7, Hammer, Bavaria, Germany; 9, U. Eocene, Spain. 7, Side view, x 10; 8, structural diagram of sectioned specimen, enlarged; 9, section intersecting one ray and central region, x 50 (7, from Gümbel, 1870; 8, from Hofker, 1975; 9, from Hofker, 1970).
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added on 2023-12-0494 viewsTraits taxaDigital photo, entire species Silvestriella tetraedra (Gümbel, 1870) †checked Le Coze, François 2023-12-04
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