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New Zealand
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New Zealand
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Sphaeroidinella dehiscens sensu Jones, R.W. 1994. The Challenger Foraminifera. Image source: Brady, H.B. (1884) Pl. 83
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New Zealand
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Image source: Todd, R. 1965. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”, 1899-1900. Part 4. Rotaliform families and planktonic families [End of Volume]. Bull. U.S. Nation. Mus 161: v+139 pp.+28 pls.
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Image source: Todd, R. 1965. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”, 1899-1900. Part 4. Rotaliform families and planktonic families [End of Volume]. Bull. U.S. Nation. Mus 161: v+139 pp.+28 pls.
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Fornasini, C. (1903). Sopra alcune specie di «Globigerina» istituite da d'Orbigny nel 1826. Rendiconto delle sessioni della Reale Accademia delle Scienze dell'Istituto di Bologna. 7: 139-142., available online at (https://archive.org/stream/rendicontodelle02unkngoog#page/n153/) page(s): p. 141 pl. 1 fig. 4
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Fornasini, C. (1903). Sopra alcune specie di «Globigerina» istituite da d'Orbigny nel 1826. Rendiconto delle sessioni della Reale Accademia delle Scienze dell'Istituto di Bologna. 7: 139-142., available online at (https://archive.org/stream/rendicontodelle02unkngoog#page/n153/) page(s): p. 140 pl. 1 fig. 2
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Fornasini, C. (1898). Le Globigerine fossili d'Italia. Paleontographia italica. vol. 4, pp. 203-216., available online at (http://www.biodiversitylibrary.org/item/106839#page/213/) page(s): p. 208 tf. 2
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Tarragona, Catalonia, Spain
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Tarragona, Catalunya, Espaa
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Tarragona, Catalonia, Spain
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Tarragona, Catalonia, Spain
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A living planktonic foraminifer with a multi-chambered, calcitic shell and numerous radiating spines that are attached to the surface of the shell. Algal symbionts, enclosed by the foraminferal cytoplasm that streams out of the shell, appear as golden-yellow spherules scattered along the surface of the spines.
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Orbulina (orb-you-line-a) - light microscopic image of a living planktonic foraminifer showing the large, spherical calcitic shell that encloses a smaller more dense spiral shell attached laterally on the inside. Numerous spines radiate out from the surface of the shell and contain dinoflagellate algal symbionts that are enclosed by the foraminferal cytoplasm that streams outward along the spines.
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Orbulina (orb-you-line-a) universa, a large planktonic foraminiferan, with algae distributed along the radiating pseudopodia. This is a juvenile form, with numerous symbiotic algae. This is an example of one of the four types of large amoebae which is common in the marine water column. Dark ground image by Dave Caron.
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Orbulina universa, a colonial pelagic foraminifera, this is a adult form in which the juvenile chambers are enclosed within a single large chamber. This is an example of one of the four types of large amoebae which is common in the marine water column. Dark ground image by Dave Caron.
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Orbulina universa.
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Globigerina bulloides.
