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Biplanispira mirabilis (Umbgrove, 1936)
Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 800, Figs. 7-10: U. Eocene, Matansa Limestone, Saipan, Mariana Islands, Pacific. 7, 9, Median sections, x 16; 8, transverse section of umbonate specimen, x 20; 10, transverse section, x 20 (7, 9, from Cole and Bridge, 1953; 8, 10, from Cole, 1957).
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added on 2023-12-0497 viewsForaminifera taxaDigital photo, entire species Biplanispira mirabilis (Umbgrove, 1936) †checked Le Coze, François 2023-12-04
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