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Orbulina universa sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 78
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Orbulina universa sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 81
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Orbulina universa sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 82
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Image source: Cushman, J.A. 1924. The Foraminifera of the Atlantic Ocean. Part 5. Chilostomellidae and Globigerinidae. Bull. U.S. Natl. Mus. 104.
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New Zealand
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Image source: Cushman, J.A. 1914. A Monograph of the Foraminifera of the North Pacific Ocean. Part IV. Chilostomellidae, Globigerinidae, Nummulitidae. Bull. U.S. Nation. Mus 71: vi+46 pp.+19 pls.
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Image source: Cushman, J.A. 1914. A Monograph of the Foraminifera of the North Pacific Ocean. Part IV. Chilostomellidae, Globigerinidae, Nummulitidae. Bull. U.S. Nation. Mus 71: vi+46 pp.+19 pls.