Journal of Species Research

  • 제13권3호
  • /
  • Pages.340-351
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  • 2024
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  • 2234-7909(pISSN)
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  • 2713-8615(eISSN)
국립생물자원관 (The National Institute of Biological Resources)
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A new species of Brianola Monard, 1926 (Copepoda: Harpacticoida: Canuellidae) from Rawai Beach, Phuket Island, Thailand

  • 투고 : 2024.05.08
  • 심사 : 2024.07.23
  • 발행 : 2024.08.31
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초록

A new species of the canuellid genus Brianola Monard, 1926 (Copepoda: Harpacticoida) was collected during a meiofauna survey in July 2021 at the intertidal muddy sand of Phuket Island, Thailand. Currently, there are only eight known species of Brianola: B. stebleri, B. exigua, B. curvirostris, B. elegans, B. sydneyensis, B. vangoethemi, B. hamondi, and B. haliensis. Thus, the Brianola rawaiensis sp. nov. from Thailand is the ninth species of the genus. The new species, Brianola rawaiensis is most closely related to B. haliensis by sharing a four-segmented antennule in females and five-segmented antennule in males, eight-segmented antennary exopod and three-segmented antennary endopod, and P1 exp-3 with 5 spines/setae. However, B. rawaiensis sp. nov. is different from B. haliensis by having: 1) P1 exp-1 with 1 outer pinnate spine, 2) P1 exp-2 with inner plumose seta, 3) P2 exp-3 with 3 setae/spines, 4) P2 enp-1 with one inner plumose seta, 5) P4 enp-1 with inner seta. Sexual dimorphism is expressed in the antennule and segmentation of the urosome. Ovigerous female bearing one egg sac with 20 eggs.

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과제정보

This research is supported by the National Research Council of Thailand (NRCT) and Ramkhamhaeng University. We thank Sujittra Sontang for her assistance during the preparation of the manuscript. We also thank two anonymous reviewers for their comments, valuable suggestions, and significant manuscript improvement.

참고문헌

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