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From the species description in the Challenger Reports
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Njar, Andalusia, Spain
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Njar, Andalusia, Spain
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Njar, Andalusia, Spain
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Njar, Andalusia, Spain
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Njar, Andalusia, Spain
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A colonial spumellarian radiolarian, image and identification by Dave Caron. This is an example of one of the four types of large amoebae which is common in the marine water column.
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Diploconus hexaphyllus.
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Colonial radiolarian several millimetres in size, living organism encountered during a blue-water dive in the Sargasso Sea off Bermuda by Peter Countway. The bright spots are capsules of the component organisms. This is an example of one of the four types of large amoebae which is common in the marine water column.
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A colonial radiolarian. This is an example of one of the four types of large amoebae which is common in the marine water column. Image and identification by Dave Caron.
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Solitary radiolarian, with large numbers of symbiotic (intracellular) dinoflagellates mostly concentrated in two opposed regions, with central capsule surrounded by an extensive pseudopodial net. 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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Colonial radiolarian, with fluid filled vacuoles within the colony. This is an example of one of the four types of large amoebae which is common in the marine water column. Image by Dave Caron
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Pterocanium trilobum.
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The entire spherical coenobium. The shells of the colony bear a variable number of fenestrated radial tubes and are densely crowded in the jelly-sphere of the calymma, the cortical zone of which is radially striped.
