Morphology and molecular phylogeny of Paragorgia rubra sp. nov. (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific

Yang Li; Zifeng Zhan; Kuidong Xu

doi:10.1007/s00343-017-5320-5

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Morphology and molecular phylogeny of Paragorgia rubra sp. nov. (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific

Updated：2023-05-16

- Morphology and molecular phylogeny of Paragorgia rubra sp. nov. (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific
- Journal of Oceanology and Limnology Vol. 35, Issue 4, Pages: 803-814(2017)
- Affiliations：
  
  1. Department of Marine Organism Taxonomy and Phylogeny Institute of Oceanology Chinese Academy of Sciences
  2. Laboratory for Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and Technologys
  3. University of Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-017-5320-5
  CLC：
- Online First：18 June 2017，
  
  Published：2017
- Accepted：
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Li, Y., Zhan, Z. & Xu, K. Morphology and molecular phylogeny of Paragorgia rubra sp. nov. (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific., Chin. J. Ocean. Limnol. 35, 803–814 (2017). https://doi.org/10.1007/s00343-017-5320-5
DOI：

Li, Y., Zhan, Z. & Xu, K. Morphology and molecular phylogeny of Paragorgia rubra sp. nov. (Cnidaria: Octocorallia), a new bubblegum coral species from a seamount in the tropical Western Pacific., Chin. J. Ocean. Limnol. 35, 803–814 (2017). https://doi.org/10.1007/s00343-017-5320-5 DOI：

摘要

Abstract

A new species of bubblegum coral

Paragorgia rubra sp. nov.

discovered from a seamount at a water depth of 373 m near the Yap Trench is studied using morphological and molecular approaches. Paragorgia rubra sp. nov. is the fourth species of the genus found in the tropical Western Pacific. The new gorgonian is red-colored

uniplanar

and measures approximately 530 mm high and 440 mm wide

with autozooids distributed only on one side of the colony. Paragorgia rubra sp. nov. is most similar to P. kaupeka Sánchez

2005

but differs distinctly in the polyp ovals with large and compound protuberances (vs. small and simple conical protuberances) and the medullar spindles possessing simple conical protuberances (vs. compound protuberances). Moreover

P. rubra sp. nov. differs from P. kaupeka in the smaller length/width ratio of surface radiates (1.53 vs. 1.75). The genetic distance of the mtMutS gene between P. rubra sp. nov. and P. kaupeka is 0.66%

while the intraspecific distances within Paragorgia Milne-Edwards & Haime

1857 except the species P. regalis complex are no more than 0.5%

further supporting the establishment of the new species. Furthermore

the ITS2 secondary structure of P. rubra sp. nov. is also different from those of congeners. Phylogenetic analyses indicate Paragorgia rubra sp. nov. and P. kaupeka form a clade

which branched early within Paragorgia and diversified approximately 15 Mya.

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references

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