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来自维基百科,自由的百科全书
日射珊瑚(學名:Heliophyllum),又名脊板珊瑚,是一屬已滅絕的珊瑚,生存於泥盆紀的淺海中。[2]
日射珊瑚一般單體存在,有時群生,敞開枝狀或相連接的珊瑚個體。萼長有隔板,能到達珊瑚單體的中心。鱗板小而圓,數目眾多,僅限在珊瑚單體的外部區域。中心區域是扁平或微彎的橫板。外壁較薄且有纖細的生長脊。[2]
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