A new diatom genus Spargeria ***.(Bacillariophyceae)from Xizang,China,and the description of two new species
作者机构：College of Life Science and TechnologyHarbin Normal UniversityHarbin 150025China Museum of Natural History and Department of Ecology and Evolutionary BiologyUniversity of ColoradoBoulder CO 80309USA Key Laboratory of Algal BiologyInstitute of HydrobiologyChinese Academy of SciencesWuhan 430072China
出 版 物：《Journal of Oceanology and Limnology》 (海洋湖沼学报（英文）)
年 卷 期：2024年第42卷第1期
页 面：291-303页
核心收录：
学科分类：0710[理学-生物学] 071001[理学-植物学] 07[理学] 0707[理学-海洋科学]
基 金：the National Natural Science Foundation of China(Nos.31970213,31870187) the Natural Science Foundation of Heilongjiang Province for Excellent Young Scholars(No.YQ2020C032) the Second Tibetan Plateau Scientific Expedition and Research Program(No.2019QZKK0304)
主 题：Spargeria new genus Pinnulariaceae morphology Xizang
摘 要：During our investigation of diatom biodiversity in Xizang,two species exhibited unique morphological features discriminative from all previously known *** we describe these two species and describe as new the genus,Spargeria *** 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 ***,Spargeria zhuii *** larger and robust valves,radiate striae,with one divergent stria near the apices,while Spargeria chenia *** smaller,with narrow valves,striae slightly radiate in the middle,becoming convergent or parallel near *** new genus belongs to the family Pinnulariaceae,and it was compared and contrasted with other genera of this *** work suggests the need for continued studies to document the biodiversity of diatoms in Xizang.
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