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首页> 外文期刊>Diatom Research >TWO NEW MARINE SPECIES OF THE DIATOM GENUS COCCONEIS EHRENBERG: C. MELCHIOROIDES SP NOV AND C. DALLMANNII SP NOV., FROM KING GEORGE ISLAND, ANTARCTICA
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TWO NEW MARINE SPECIES OF THE DIATOM GENUS COCCONEIS EHRENBERG: C. MELCHIOROIDES SP NOV AND C. DALLMANNII SP NOV., FROM KING GEORGE ISLAND, ANTARCTICA

机译:两种新的海洋物种硅霉属ehrenberg:C.Melchiorodes SP Nov和C. Dallmannii SP 11月。,来自南极洲国王乔治岛

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摘要

Two new marine diatom species. Cocconeis melchioroides and C. dallmannii are described from Potter Cove, King George Island, Antarctica. Detailed descriptions are given based on LM and SEM images for both species and compared with the only known Morphologically related taxon, Cocconeis melchiori Frenguelli and Orlando. Both C. melchioroides and C. dallmannii belong to the Cocconeis group, in which the stermum valve has very short and marginal striae. They differ from each other in the number of striae, number of areolae, central raphe endings, crista marginalis and valvocopula. A comparison with the Cocconeis costata group is provided. Both species are common inhabitants of the marine surface sediment in the Potter Cove area.
机译:两种新的海洋硅藻土。 Cocconeis Melchioroides和C. Dallmannii由南极洲乔治岛国王湾湾叙述。 根据物种的LM和SEM图像给出了详细描述,并与唯一已知的形态相关的分类,Cocconeis Melchiori Fenguelli和奥兰多相比。 C.Melchioroides和C. Dallmannii都属于Cocconeis组,其中甾粒阀具有非常短,边际的斜。 它们在彼此中彼此不同,厌恶的数量,中央拉斐特,Crista Marginalis和Valvocopula。 提供与Cocconeis Costata组的比较。 两种物种都是波特湾区海洋表面沉积物的常见居民。

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