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Morphology and molecular phylogeny of Pleurosira nanjiensis sp. nov., a new marine benthic diatom from the Nanji Islands, China

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Abstract

A new marine benthic diatom, Pleurosira nanjiensis sp. nov., is described from the rocky intertidal zone of the Xiaochaiyu Island of the Nanji Islands in China. Its morphology was examined with light and scanning electron microscopy. Molecular phylogeny was reconstructed based on SSU rRNA and rbcL gene sequences. Pleurosira nanjiensis differs from congeners in possession of a combination of morphological features including the domed valve with broadly lanceolate, elliptical or circular valve outline, two elevated marginal ocelli, two (rarely three) rimportulae, and radiate striae.

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Acknowledgements

The authors thank Cai Houcai, Chen Wandong and all the staff of the Nanji Islands National Marine Natural Reserve Research Institute for their help in sample collection.

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Authors and Affiliations

  1. Department of Marine Organism Taxonomy and Phylogeny, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China

    Yuhang Li & Kuidong Xu

  2. Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237, China

    Kuidong Xu

  3. Department of Biology, School of Life Dentistry at Tokyo, The Nippon Dental University, Tokyo, 102 8159, Japan

    Tamotsu Nagumo

  4. University of Chinese Academy of Sciences, Beijing, 100049, China

    Kuidong Xu

Authors
  1. Yuhang Li
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  2. Tamotsu Nagumo
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  3. Kuidong Xu
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Corresponding author

Correspondence to Kuidong Xu.

Additional information

Foundation item: The Basic Work of Science and Technology Project of China under contract No. 2013FY111100-03; the Nanji Islands National Marine Natural Reserve Postdoctoral Research Funding under contract No. NJKJ-2015-005.

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Li, Y., Nagumo, T. & Xu, K. Morphology and molecular phylogeny of Pleurosira nanjiensis sp. nov., a new marine benthic diatom from the Nanji Islands, China. Acta Oceanol. Sin. 37, 33–39 (2018). https://doi.org/10.1007/s13131-018-1298-x

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  • DOI: https://doi.org/10.1007/s13131-018-1298-x

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