Observations on the valve structure of marine species of the diatom genus Cocconeis Ehr. |
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| Authors: | Hiromu Kobayasi Tamotsu Nagumo |
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| Institution: | (1) Department of Biology, Tokyo Gakugei University, Koganei-shi, Tokyo, 184, Japan;(2) Department of Biology, Nippon Dental University, Fujimi, Chiyoda-ku, Tokyo, 102, Japan |
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| Abstract: | The valve structure of three marine diatom species, Cocconeis molesta var. crucifera, C. dirupta and C. pellucida was studied by transmission and scanning electron microscopy. In all Cocconeis examined, the areolae are occluded by hymenes located near the internal openings in the raphid valve and near the internal openings in the araphid valves. |
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| Keywords: | Finestructure Marine diatoms Cocconeis molesta var crucifera C dirupta C pellucida |
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