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Fornasini, C. (1904). Illustrazione di specie orbignyane di foraminiferi istituite nel 1826. Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche. ser. 6 t. 1., available online at (http://www.biodiversitylibrary.org/item/118971#page/10/) page(s): p. 4 pl. 1 fig. 3
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Image source: Cushman, J.A. 1929. The Foraminifera of the Atlantic Ocean. Part 6. Miliolidae, Ophthalmidiidae and Fischerinidae. 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. 1921. Foraminifera of the Philippine and adjacent seas. Bull. U.S. Natl. Mus. 100(4).
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Image source: Cushman, J.A. 1917. A Monograph of the Foraminifera of the North Pacific Ocean. Part VI. Miliolidae. Bull. U.S. Nation. Mus 71: vii+108 pp.+39 pls.
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Image source: Cushman, J.A. 1932. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”. Part I. Astrorhizidae to Trochamminidae. Bull. U.S. Nation. Mus 161: vi+88 pp.+17 pls.
