Phytoplankton Species in Hong Kong Coastal Waters

312 Hermesinum adriaticum 亞得利亞海硅鞭藻 Phylum: Cercozoa 门:尾蟲藻門 Class: Thecofilosea 纲:膜線藻綱 Order: Ebriales 目:碎裂藻目 Family: Ebriaceae 科:碎裂藻科 Morphology Cells are solitary, roughly rhomboid, and possess an internal siliceous skeleton surrounded by cytoplasm. The skeleton is asymmetrical, robust, composed of 4 primary branches in tetraxial arrangement and arched rods. There are several apertures, with prominent jagged apical and basal spines on the skeleton. 形態 細胞單獨生活,大致呈菱形,細胞質包裹一個硅質的內骨骼。骨骼不對稱,粗壯, 由4個主支架以四角軸心排列和數個拱形的短柱組成。內骨骼具數個孔,頂端和底 端有明顯的鋸齒狀的刺。 Ecology and distribution Hermesinum adriaticum mainly occurs in both oceanic and neritic waters in subtropical to tropical region. It can also be found in temperate waters in warm months. 生態與分佈 亞得利亞海硅鞭藻主要分佈於亞熱帶和熱帶的近岸和大洋,在溫帶較暖的月份也 有發現。 Size

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