海量资源，尽在掌握
哈德掌状藻PalmeriahardmanianaGreville,1865(图34)abcd图34哈德掌状藻PalmeriahardmanianaGreville,1865a.壳面观(valveview);b,c.环面观(girdleview);d.壳面中央花纹(centerareolaofvalve)同种异名:哈氏半盘藻Hemidiscushardmannianus(Greville)Mann,1907藻体细胞近半球形,壳面半...[继续阅读]
楔形半盘藻Hemidiscuscuneiformisvar.cuneiformisWallich,1860(图35)ab图35楔形半盘藻Hemidiscuscuneiformisvar.cuneiformisWallich,1860a,b.壳面观(valveview)本种与哈氏半盘藻(HemidiscushardmannianusMann)相似,其区别在于本种壳面腹侧中部微凸。暖海浮游性种类。中国东...[继续阅读]
六角辐裥藻ActinoptychushexagonusGrunow,1874(图36)图36六角辐裥藻ActinoptychushexagonusGrunow,1874壳面观(valveview)藻体细胞壳面正六边形,中央无纹区亦呈正六边形。世界罕见种。中国南海琼东海域有分布。作者秋季于东沙群岛北部海域曾找到少量...[继续阅读]
大星芒藻AsterolampravanheurckiiBrun,1891(图39)abcd图39大星芒藻AsterolampravanheurckiiBrun,1891a～d.壳面观(valveview)同种异名:AsterolampramarylandicaEhrenberg,1844藻体细胞壳面圆,中央透明区小,宽度为细胞直径的1/6～1/5。有7条等粗的透明放射条纹。色素体...[继续阅读]
粗星脐藻AsteromphalusrubustusCastracane,1875(图41)ab图41粗星脐藻AsteromphalusrubustusCastracane,1875a,b.壳面观(valveview)藻体壳面圆形至椭圆形,中央星脐区较大,约为壳面直径的1/2,壳面有8～9粗无纹区和1条细无纹区。广温性底栖种,偶而营浮游生活。...[继续阅读]
细长列海链藻Thalassiosiraleptopus(Grun)HasleetG.Fryxell,1977(图45)abc图45细长列海链藻Thalassiosiraleptopus(Grun)HasleetG.Fryxell,1977a～c.壳面观(valveview)同种异名:线形圆筛藻CoscinodiscuslineatusEhrenberg,1839;CoscinodiscusleptopusGrunow,inVanHeurch,1883藻体细胞壳面圆...[继续阅读]
筛链藻Coscinosirapolychorda(Gran,1897)Gran,1900(图52)ab图52筛链藻Coscinosirapolychorda(Gran,1897)Gran,1900a,b.细胞链环面观(chainsingirdleview)藻体相邻细胞通过多条长胶质线连接成群体,色素体小盘状,多数。北温带海生种。本种分布广但数量极少。中国青...[继续阅读]
矮小短棘藻Detonulapumila(Castracane)Gran,1900(图53)abc图53矮小短棘藻Detonulapumila(Castracane)Gran,1900a～c.细胞链环面观(chainsingirdleview)同种异名:优美旭氏藻Schr⍥derelladelicatulaf.delicatula(Peragallo)Pavillard,1913藻体细胞长圆柱形,相邻细胞通过壳缘一...[继续阅读]
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