91 Thalassionema nitzschioides 菱形海線藻 Phylum: Heterokontophyta 门：不等鞭毛門 Class: Bacillariophyceae 纲：羽紋硅藻綱 Order: Thalassionematales 目：海線藻目 Family: Thalassionemataceae 科：海線藻科 Morphology Cells are narrow rectangular in girdle view and sometimes slightly curved with blunt ends. Valves are narrowly-lanceolate in outline, with blunt-rounded ends. Cells are united to form stellae or zigzag colonies by mucilage cushions on cell ends. Chloroplasts are small, granular, and numerous. 形態 細胞殼環面觀為窄矩形，有時輕微彎曲，末端截平。殼面為細長披針形，末端鈍圓。 細胞通過細胞壁末端的膠質相連連成星形或鋸齒狀群體。色素體呈小顆粒狀，數目 多。 Ecology and distribution Thalassionema nitzschioides is a neritic planktonic species with a broad temperature range. This species could be found in waters from cold zones to tropical areas. 生態與分佈 菱形海線藻是廣溫性近海浮游物種，從寒帶到熱帶均有報導。 Size Length (apical axis): 30-80 μm (Cupp, 1943); 30-90 μm (Hendey, 1964, 1970); 30-116
RkJQdWJsaXNoZXIy NDk5Njg=