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Achnanthidium tinea sp. nov. – a new monoraphid diatom (Bacillariophyceae) species, described on the basis of molecular and morphological approaches
PhytoKeys ( IF 1.3 ) Pub Date : 2021-03-12 , DOI: 10.3897/phytokeys.174.60337
Natalia D Tseplik 1 , Yevhen I Maltsev 1 , Anton M Glushchenko 1 , Irina V Kuznetsova 1 , Sergei I Genkal 2 , John Patrick Kociolek 3, 4 , Maxim S Kulikovskiy 1
Affiliation  

A new monoraphid diatom species Achnanthidium tinea Tseplik, Kulikovskiy, Kociolek & Maltsev, sp. nov. is described from Indonesia. The species is described on the basis of molecular and morphological analyses. According to molecular data the new species belongs to the clade that includes strains of Achnanthidium minutissimum, Achnanthidium saprophilum and Achnanthidium digitatum. Morphologically, the new species differs quite significantly from other species of the same genus because of linear-elliptic valves with almost parallel sides and strongly radiate striae and a butterfly-shaped fascia on the raphe valve. The morphology and phylogeny of the new species are discussed, and thoughts on the current state of the taxonomy of the genus Achnanthidium are expressed. Our work shows the importance of using molecular data in diatom systematics and also demonstrates the need to investigate rarely studied regions of our planet.

中文翻译:

芨芨草癣 sp。十一月 – 基于分子和形态学方法描述的一种新的单针硅藻(硅藻纲)物种

单针硅藻新种 AchnanthidiumtineaTseplik、Kulikovskiy、Kociolek 和 Maltsev,sp。十一月 来自印度尼西亚的描述。这是基于分子和形态学分析来描述的。根据分子数据,这个新物种属于包括 Achnanthidium minutissimum、Achnanthidium saprophilum 和 Achnanthidium digitalatum 菌株在内的分支。从形态上看,该新种与同属其他种有显着差异,其瓣膜呈几乎平行的线状椭圆形,具有强烈的放射状条纹,中缝瓣上有蝴蝶形筋膜。讨论了新种的形态和系统发育,并表达了对芨芨草属分类学现状的思考。我们的工作表明了在硅藻系统学中使用分子数据的重要性,也表明了研究地球上很少研究的区域的必要性。
更新日期:2021-03-12
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