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Tholosina bulla sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 35
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Image source: Cushman, J.A. 1918. The Foraminifera of the Atlantic Ocean. Part I. Astrorhizidae. Bull. U.S. Natl. Mus. 104.
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Image source: Cushman, J.A. 1921. Foraminifera of the Philippine and adjacent seas. Bull. U.S. Natl. Mus. 100(4).
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Image source: Cushman, J.A. 1921. Foraminifera of the Philippine and adjacent seas. Bull. U.S. Natl. Mus. 100(4).
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Image source: Cushman, J.A. 1910. A Monograph of the Foraminifera of the North Pacific Ocean. Part I. Astrorhizidae and Lituolidae. Bull. U.S. Nation. Mus 71: xiv+134 pp.
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Tholosina vesicularis sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 35
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Tholosina species attach to surfaces and build an agglutinated dome over the cell body. The dome is more "inflated" looking than the ones produced by their apparent relatives, the genus Hemisphaerammina. Image courtesy of Elisabeth Alve, University of Oslo. Originally published in J. Foram. Res. 16: 261-284; used with permission.
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This view shows the inside of the dome-shaped test. Image courtesy of Elisabeth Alve, University of Oslo. Originally published in J. Foram. Res. 16: 261-284; used with permission.
