Morphology and phylogeny of two species of <italic style="font-style: italic">Bathypathes</italic> from the tropical western Pacific, with description of a new species

Ting LÜ; Zifeng ZHAN; Kuidong XU

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Morphology and phylogeny of two species of Bathypathes from the tropical western Pacific, with description of a new species

Biology | Updated：2025-02-19

- Morphology and phylogeny of two species of Bathypathes from the tropical western Pacific, with description of a new species
- Journal of Oceanology and Limnology Vol. 43, Issue 1, Pages: 248-260(2025)
- Affiliations：
  
  1.Laboratory of Marine Organism Taxonomy and Phylogeny, Qingdao Key Laboratory of Marine Biodiversity and Conservation, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
  2.Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266237, China
  3.University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  kxu@qdio.ac.cn
- Funds：
- DOI：
  CLC：
- Received：05 January 2024，
  
  Published：01 January 2025
- Accepted：
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LÜ Ting,ZHAN Zifeng,XU Kuidong.Morphology and phylogeny of two species of Bathypathes from the tropical western Pacific, with description of a new species[J].Journal of Oceanology and Limnology,2025,43(01):248-260.
DOI：

LÜ Ting,ZHAN Zifeng,XU Kuidong.Morphology and phylogeny of two species of Bathypathes from the tropical western Pacific, with description of a new species[J].Journal of Oceanology and Limnology,2025,43(01):248-260. DOI：

摘要

Abstract

The black coral genus

Bathypathes

Brook

1889 represents a relatively diverse and ecologically important assemblage comprising the deep-sea hard substrate communities. Recent phylogenetic investigations have revealed the polyphyletic nature of

Bathypathes

urging further morphological analysis to understand its systematics. By combing morphological and molecular data

we describe

Bathypathes multifurcata

sp. nov. and report

pseudoalternata

Molodtsova

Opresko

Wagner

2022 based on the specimens collected from the tropical western Pacific. The phylogenetic topology reconstructed using nuclear ITS1-5.8S-ITS2 and three mitochondrial fragments suggests the separation of

Bathypathes

into four groups. Our analysis of morphological characters

particularly the colony branch and pinnule patterns also roughly classify

Bathypathes

into four morphological groups A‍‍‍–‍‍D. Group A is characterized by the unbranched colony and the subopposite arrangement of pinnules. In contrast to Group A

Groups B–D have the alternately arranged pinnules. Among these

Group C exhibits a distinctly long unpinnulated stem compared to Groups B and D. Group B has unbranched colony

relatively short unpinnulated stem

and spines on pinnules have blunt apex. Within Group D

large colonies (higher than 40 cm) have one or a few branches

small colonies (less than 40 cm) are unbranched

and spines on pinnules have acute apex. Further data particularly those species without sequences are necessary to verify the classification of these groups.

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Keywords

references

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Related Institution

University of Chinese Academy of Sciences

Laboratory of Marine Organism Taxonomy and Phylogeny, Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences

Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao)

Department of Marine Organism Taxonomy and Phylogeny, Institute of Oceanology, Chinese Academy of Sciences

Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center

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Morphology and phylogeny of two species of Bathypathes from the tropical western Pacific, with description of a new species

DOI：

摘要

Abstract

关键词

Keywords

references