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Algae > Volume 25(4); 2010 > Article
Algae 2010;25(4): 173-182. doi: https://doi.org/10.4490/algae.2010.25.4.173
Morphology and distribution of some marine diatoms, Family Rhizosoleniaceae, in Korean coastal waters: a genus Rhizosolenia 1
Suk Min Yun1,a and Jin Hwan Lee1,*

1Department of Biology, Sangmyung University, Seoul 110-743, Korea
*Corresponding Author  Email: jhlee@smu.ac.kr
Four Rhizosolenia species of marine diatom were appeared at 30 sites in Korean coastal waters from September 2008 to February 2010. The cell shape, diameter, length of pervalvar axis, external process, segment and areolation characters of the species were examined. All four species were cylindrically shaped, but the external processes differed. Segment striations were regularly straight, and velum showed hexagonal, circular pore and narrow slit. Rhizosolenia formosa and R. hyalina were only occurred in September 2008 from the Yellow Sea, R. bergonii was appeared throughout the year from Korea Strait and Yangyang coasts, and R. setigera was abundantly showed in all seasons from all site. R. formosa is a newly recorded species in Korean coastal waters.
Key words: diagnosis; distribution; Korean waters; morphology; Rhizosolenia; scanning electron microscopy

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