Paragnomoxyala papillifera sp. nov. (Nematoda: Monhysterida) from the Bohai Sea, China

Journal of Oceanology and Limnology (2020)Cite this article

Abstract

A new free-living marine nematode species of the family Xyalidae from Laizhou Bay of the Bohai Sea, China is described and illustrated herein. Paragnomoxyala papillifera sp. nov. is characterized by large funnel-shaped buccal cavity, circular amphidial fovea located posterior to buccal cavity, straight spicules with slightly curved distal end, gubernaculum absent, four papilliform precloacal supplements, tail conico-cylindrical with two ventral embossments in males and having longitudinal rows of cervical setae and subventral caudal setae in males. The new species is easily identified from other two recorded species in the genus by having papilliform precloacal supplements and ventral embossments along conical portion of tail of males. A pictorial key for three species of Paragnomoxyala and comparative table of three species with important characteristics are provided.

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Acknowledgment

The authors are greatly thankful to four anonymous referees for their reviewing and improving the manuscript.

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Affiliations

  1. College of Life Sciences, Liaocheng University, Liaocheng, 252059, China

    Yan Sun & Yong Huang

  2. College of marine Life Sciences, Ocean University of China, Qingdao, 266003, China

    Yan Sun

  3. Key Laboratory for Ecological Conservation and Biodiversity of Institution of Higher Learning of Shandong Province, Liaocheng, 252059, China

    Yong Huang

Authors
  1. Yan Sun
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  2. Yong Huang
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Corresponding author

Correspondence to Yong Huang.

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4 Data Availability Statement

The authors declare that the data supporting the findings of this study are available within the article. The data will be available on request from the corresponding author.

Supported by the National Natural Science Foundation of China (No. 41676146)

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Sun, Y., Huang, Y. Paragnomoxyala papillifera sp. nov. (Nematoda: Monhysterida) from the Bohai Sea, China. J. Ocean. Limnol. (2020). https://doi.org/10.1007/s00343-020-0108-4

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Keyword

  • free-living marine nematodes
  • taxonomy
  • new species
  • Laizhou Bay