海量資源，盡在掌握
哈德掌狀藻PalmeriahardmanianaGreville,1865(圖34)abcd圖34哈德掌狀藻PalmeriahardmanianaGreville,1865a.殼面觀(valveview);b,c.環面觀(girdleview);d.殼面中央花紋(centerareolaofvalve)同種異名:哈氏半盤藻Hemidiscushardmannianus(Greville)Mann,1907藻體細胞近半球形,殼面半...[繼續閱讀]
楔形半盤藻Hemidiscuscuneiformisvar.cuneiformisWallich,1860(圖35)ab圖35楔形半盤藻Hemidiscuscuneiformisvar.cuneiformisWallich,1860a,b.殼面觀(valveview)本種與哈氏半盤藻(HemidiscushardmannianusMann)相似,其區別在于本種殼面腹側中部微凸。暖海浮游性種類。中國東...[繼續閱讀]
六角輻裥藻ActinoptychushexagonusGrunow,1874(圖36)圖36六角輻裥藻ActinoptychushexagonusGrunow,1874殼面觀(valveview)藻體細胞殼面正六邊形,中央無紋區亦呈正六邊形。世界罕見種。中國南海瓊東海域有分布。作者秋季于東沙群島北部海域曾找到少量...[繼續閱讀]
大星芒藻AsterolampravanheurckiiBrun,1891(圖39)abcd圖39大星芒藻AsterolampravanheurckiiBrun,1891a～d.殼面觀(valveview)同種異名:AsterolampramarylandicaEhrenberg,1844藻體細胞殼面圓,中央透明區小,寬度為細胞直徑的1/6～1/5。有7條等粗的透明放射條紋。色素體...[繼續閱讀]
粗星臍藻AsteromphalusrubustusCastracane,1875(圖41)ab圖41粗星臍藻AsteromphalusrubustusCastracane,1875a,b.殼面觀(valveview)藻體殼面圓形至橢圓形,中央星臍區較大,約為殼面直徑的1/2,殼面有8～9粗無紋區和1條細無紋區。廣溫性底棲種,偶而營浮游生活。...[繼續閱讀]
細長列海鏈藻Thalassiosiraleptopus(Grun)HasleetG.Fryxell,1977(圖45)abc圖45細長列海鏈藻Thalassiosiraleptopus(Grun)HasleetG.Fryxell,1977a～c.殼面觀(valveview)同種異名:線形圓篩藻CoscinodiscuslineatusEhrenberg,1839;CoscinodiscusleptopusGrunow,inVanHeurch,1883藻體細胞殼面圓...[繼續閱讀]
篩鏈藻Coscinosirapolychorda(Gran,1897)Gran,1900(圖52)ab圖52篩鏈藻Coscinosirapolychorda(Gran,1897)Gran,1900a,b.細胞鏈環面觀(chainsingirdleview)藻體相鄰細胞通過多條長膠質線連接成群體,色素體小盤狀,多數。北溫帶海生種。本種分布廣但數量極少。中國青...[繼續閱讀]
矮小短棘藻Detonulapumila(Castracane)Gran,1900(圖53)abc圖53矮小短棘藻Detonulapumila(Castracane)Gran,1900a～c.細胞鏈環面觀(chainsingirdleview)同種異名:優美旭氏藻Schr⍥derelladelicatulaf.delicatula(Peragallo)Pavillard,1913藻體細胞長圓柱形,相鄰細胞通過殼緣一...[繼續閱讀]
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