Journal
DIATOM RESEARCH
Volume 37, Issue 1, Pages 1-16Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/0269249X.2022.2043448
Keywords
taxonomy; centric diatoms; terrestrial habitats; SE Asia; Easter Island
Categories
Funding
- Ministry of Science and Higher Education of the Russian Federation [121041200194-7]
- Ministry of Science and Higher Education [026/RID/2018/19]
- Ministry of Education and Science
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This study describes four new species of the genus Orthoseira from Southeast Asia and Easter Island, as well as provides a solution to the taxonomical history of Liparogyra circularis Ehrenberg and a detailed description of Orthoseira tropica (Krasske) Metzeltin & Lange-Bertalot.
The genus Orthoseira Thwaites contains centric diatoms typically inhabiting marginal-aquatic or terrestrial habitats. The high morphological plasticity of representatives of the genus and their occurrence in rarely studied terrestrial habitats complicates an overall assessment of their biodiversity and the distribution of particular species. This study presents a description of four new species of this genus from Southeast Asia and Easter Island. They include: O. radiata M.Rybak, Glushchenko & Kulikovskiy sp. nov., O. distincteareolata M.Rybak, Glushchenko & Kulikovskiy sp. nov., O. cylindrica M.Rybak, Glushchenko & Kulikovskiy sp. nov. and Orthoseira rapanuiensis M.Rybak, Witkowski & Lange-Bertalot sp. nov. Additionally, we attempt to provide a solution to the confused taxonomical history of Liparogyra circularis Ehrenberg and provide the first detailed description of Orthoseira tropica (Krasske) Metzeltin & Lange-Bertalot.
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