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Image source: Cushman, J.A. 1942. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”. Part 3. Heterohelicidae to Buliminidae. Bull. U.S. Nation. Mus 161: v+67 pp.+15 pls.
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Image source: Cushman, J.A. 1942. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”. Part 3. Heterohelicidae to Buliminidae. Bull. U.S. Nation. Mus 161: v+67 pp.+15 pls.
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Image source: Cushman, J.A. 1942. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”. Part 3. Heterohelicidae to Buliminidae. Bull. U.S. Nation. Mus 161: v+67 pp.+15 pls.
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Test consisting of five to eight pairs of chambers biserially arranged after a short initial stage that may appear as triserial; chambers inflated and sutures depressed giving a lobulate periphery to the test; wall coarsely perforated, surface smooth and glassy; aperture a long fissure extending all round the lower half of last chamber in an axial position; aperture of the penultimate chamber may remain visible.
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Mimosina hystrix.