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Archaias angulatus sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 14
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Image source: Cushman, J.A. 1930. The Foraminifera of the Atlantic Ocean. Part 7. Nonionidae, Camerinidae, Peneroplidae and Alveolinellidae. Bull. U.S. Natl. Mus. 104.
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Image source: Cushman, J.A. 1930. The Foraminifera of the Atlantic Ocean. Part 7. Nonionidae, Camerinidae, Peneroplidae and Alveolinellidae. Bull. U.S. Natl. Mus. 104.
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Orbigny d', A. D. (1826). Tableau méthodique de la classe des Céphalopodes. Annales des Sciences Naturelles. vol. 7: 96-169, 245-314., available online at (http://biodiversitylibrary.org/page/5753959) page(s): p. 305 n° 1 Model n° 20 pl. 17 fig. 8-10
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Orbigny d', A. D. (1826). Tableau méthodique de la classe des Céphalopodes. Annales des Sciences Naturelles. vol. 7: 96-169, 245-314., available online at (http://biodiversitylibrary.org/page/5753959) page(s): p. 305 n° 1 Model n° 20 pl. 17 fig. 8-10
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Orbigny d', A. D. (1826). Tableau méthodique de la classe des Céphalopodes. Annales des Sciences Naturelles. vol. 7: 96-169, 245-314., available online at (http://biodiversitylibrary.org/page/5753959) page(s): p. 305 n° 1 Model n° 20 pl. 17 fig. 8-10
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Orbigny d', A. D. (1826). Tableau méthodique de la classe des Céphalopodes. Annales des Sciences Naturelles. vol. 7: 96-169, 245-314., available online at (http://biodiversitylibrary.org/page/5753959) page(s): p. 305 n° 1 Model n° 20 pl. 17 fig. 8-10
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Live individuals of the foraminiferans Archaias angulatus and one specimen of Coscinospira (=Peneroplis) antillarum from Belize
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"Watermelon forams"--These foraminiferans possess chlorophyte (green algal) endosymbionts which give to the living cell a characteristic "grass green" coloration (specimen on right). Under high light (high UV?) conditions, the symbionts produce carotenoid pigments (salmon pink specimen on left).
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Close up of the pseudopores (pits) on the chamber surface of the foraminiferan Archaias angulatus from Belize, CA
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Scanning electron micrograph of a shell of the foraminiferan Archaias angulatus from Belize
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Orbiculina adunca.
