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Spirosigmoilinella compressa Matsunaga, 1955
Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 40, Figs. 10-11: Miocene, Teradomari Formation, Niigata, Japan. Side and top views, x 62.
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added on 2023-12-0495 viewsForaminifera taxaDigital photo, entire species Spirosigmoilinella compressa Matsunaga, 1955checked Le Coze, François 2023-12-04
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