A new species of <italic style="font-style: italic">Discostella</italic> <italic style="font-style: italic">guiyangensis</italic> sp. nov. (Bacillariophyta, Stephanodiscales) from Guiyang, China: morphology and phylogeny

Yandan XIANG; Fangru NAN; Xudong LIU; Shulian XIE; John Patrick KOCIOLEK; Qi LIU

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A new species of Discostella guiyangensis sp. nov. (Bacillariophyta, Stephanodiscales) from Guiyang, China: morphology and phylogeny

Biology | Updated：2024-10-11

- A new species of Discostella guiyangensis sp. nov. (Bacillariophyta, Stephanodiscales) from Guiyang, China: morphology and phylogeny
- Journal of Oceanology and Limnology Vol. 42, Issue 4, Pages: 1312-1324(2024)
- Affiliations：
  
  1.School of Life Science, Shanxi University, Taiyuan 030006, China
  2.Department of Ecology and Evolutionary Biology and Museum of Natural History, University of Colorado, Boulder CO 80309, USA
- Author bio：
  
  liuqi317@126.com
- Funds：
- DOI：
  CLC：
- Received：28 June 2023，
  
  Online First：27 November 2023，
  
  Published：01 July 2024
- Accepted：
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XIANG Yandan,NAN Fangru,LIU Xudong,et al.A new species of Discostellaguiyangensis sp. nov. (Bacillariophyta, Stephanodiscales) from Guiyang, China: morphology and phylogeny[J].Journal of Oceanology and Limnology,2024,42(04):1312-1324.
DOI：

XIANG Yandan,NAN Fangru,LIU Xudong,et al.A new species of Discostellaguiyangensis sp. nov. (Bacillariophyta, Stephanodiscales) from Guiyang, China: morphology and phylogeny[J].Journal of Oceanology and Limnology,2024,42(04):1312-1324. DOI：

摘要

Abstract

We describe a new species of

Discostella

from Guiyang based on light and scanning electron microscopic observations

as well as molecular analysis. This species is morphologically distinguished from other species by a relatively smooth and slightly recessed central area with marginal striae of unequal lengths forked near the margin. Marginal fultoportulae and a single rimoportula are situated between every two costae or on the costae. Both morphological characters and the concatenated data of

rbc

L and SSU rDNA indicate that

Discostella

guiyangensis

is a unique and new species. According to divergence time estimation analysis

Discostella

guiyangensis

is the oldest species among the

Discostella

species sequenced currently. In addition

we complement molecular data of

Discostella

asterocostata

and

Discostella

stelligera

关键词

Keywords

references

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A new species of Discostella guiyangensis sp. nov. (Bacillariophyta, Stephanodiscales) from Guiyang, China: morphology and phylogeny

DOI：

摘要

Abstract

关键词

Keywords

references