42 Nitzschia lorenziana 洛氏菱形藻 Phylum: Heterokontophyta 门：不等鞭毛门 Class: Bacillariophyceae 纲：羽紋硅藻纲 Order: Bacillariales 目：硅藻目 Family: Bacillariaceae 科：硅藻科 Morphology Valves are linearly lanceolate, slender, and slightly S-shaped. Frustules are slightly enlargement and gradually tapering into with blunt and roughly round ends. 形態 細胞呈線性披針形，細長，略呈S形。細胞壁中央略微膨大，隨後逐漸收縮，末端 鈍圓。 Ecology and distribution Nitzschia lorenziana is a benthic species frequently observed in intertidal sendment. Cells could be epiphytic on the surface of macroalgae or found in coastal water. 生態與分佈 洛氏菱形藻是底棲物種，常見於潮間帶沉積物，並可在大型海藻上附生，但水體中 也有發現。廣泛分佈於各海域。我國的黃海、東海、南海沿岸均有記錄。 Size Length (apical axis): 130-190 μm (Chin et al., 1965); 180-200 μm (Hendey, 1970); 120134 μm (Chin et al., 1982); 50-190 μm (Witkowski et al., 2000); 87-140 μm (Al-Yamani et al., 2011); 87-160 μm (Al-Yamani et al., 2019); 120-205 μm (Gao et al., 2021)
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