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| Borgert, A., 1901. Die nordischen Tripyleen-Arten. Nordisches Plankton, vol. 15: 1-52. |
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| Jørgensen, E., 1905. The Protist plankton and the diatoms in bottom samples. VII. Radiolaria. In: Nordgaard, O. (editor). Hydrographical and Biological investigations in Norwegian Fiords. Bergens Museum, 114-142 (+ 11 radiolarian plates). |
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