103 Asteromphalus cleveanus 克氏星臍藻 Phylum: Heterokontophyta 门：不等鞭毛門 Class: Coscinodiscophyceae 纲：中心硅藻綱 Order: Asterolamprales 目：星紋藻目 Family: Asterolampraceae 科：星紋藻科 Morphology Cells are solitary, oviform in valve view. The central area is roughly round, covers about half the minor axis. Ther are 6 to 10 hyaline radial rays and terminating at the valve margin. One singular ray is much thinner than the other rays. 形態 細胞獨立生活，殼面觀呈長卵圓形，中央區近圓形，直徑約為細胞短軸的1/2。 從 星臍區中央生出6 到10 條透明放射狀條紋伸到殼面邊緣。 其中一條較其他條紋 細。 Ecology and distribution Asteromphalus cleveanus is a neritic warm water species primarily distributed from temperate to tropical areas. 生態與分佈 長卵面星臍藻是廣布性近岸物種，從溫帶到熱帶均有分佈。 Size Length (apical axis): 70 μm (Allen and Cupp, 1935; Isamu, 1991); 80μm (Chin et al., 1965); about 56 μm (Guo et al., 2003); 32-44 μm (Al-Yamani et al., 2019)
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