A new diatom genus <italic style="font-style: italic">Spargeria</italic> gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species

Yan LIU; John Patrick KOCIOLEK; Li WANG; Xinxin LU; Huan ZHU; Guoxiang LIU; Fengyang SUI; Yawen FAN

doi:10.1007/s00343-023-2356-6

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A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species

Biology | Updated：2024-10-15

- A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species
- A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species
- 海洋湖沼学报(英文) 2024年42卷第1期页码：291-303
- Affiliations：
  
  1.College of Life Science and Technology, Harbin Normal University, Harbin 150025, China
  2.Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado, Boulder CO 80309, USA
  3.Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Author bio：
  
  fanyaw@163.com
- Funds：
  
  the National Natural Science Foundation of China(31970213;31870187);the Natural Science Foundation of Heilongjiang Province for Excellent Young Scholars(YQ2020C032);the Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0304)
- DOI：10.1007/s00343-023-2356-6
  中图分类号：
- 收稿：2022-11-01，
  
  录用：2023-01-12，
  
  网络首发：2023-03-20，
  
  纸质出版：2024-01-03
- Accepted：
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A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species[J]. 海洋湖沼学报(英文), 2024,42(1):291-303.

LIU Yan,KOCIOLEK John Patrick,WANG Li,et al.Research Paper A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species[J].Journal of Oceanology and Limnology,2024,42(01):291-303.
A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species[J]. 海洋湖沼学报(英文), 2024,42(1):291-303. DOI： 10.1007/s00343-023-2356-6.

LIU Yan,KOCIOLEK John Patrick,WANG Li,et al.Research Paper A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species[J].Journal of Oceanology and Limnology,2024,42(01):291-303. DOI： 10.1007/s00343-023-2356-6.

摘要

Abstract

During our investigation of diatom biodiversity in Xizang

two species exhibited unique morphological features discriminative from all previously known genera. Herein we describe these two species and describe as new the genus

Spargeria

gen. nov. The new genus features narrow to wide rectangular valves

narrow valve mantles

filiform raphe branches that occur on the valve face only

terminal raphe fissures straight or slightly deflected to same side

bow-tie shaped central areas

chambered striae present on the valve face only

being absent from the mantle

wider striae near the axial area and very narrow near the margin

multiseriate striae with small and round areolae that are occluded externally. Comparatively

Spargeria zhuii

sp. nov. has larger and robust valves

radiate striae

with one divergent stria near the apices

while

Spargeria chenia

sp. nov. is smaller

with narrow valves

striae slightly radiate in the middle

becomi

ng convergent or parallel near apices. This new genus belongs to the family Pinnulariaceae

and it was compared and contrasted with other genera of this family. Our work suggests the need for continued studies to document the biodiversity of diatoms in Xizang.

关键词

Keywords

references

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A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species

A new diatom genus Spargeria gen. nov. (Bacillariophyceae) from Xizang, China, and the description of two new species

DOI：10.1007/s00343-023-2356-6

摘要

Abstract

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