Journal of Species Research

The National Institute of Biological Resources (국립생물자원관)
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A new species and new record of Pacificincolidae (Bryozoa: Cheilostomata) from Korea

  • Min, Bum Sik (Marine Research Center, National Park Research Institute, Korea National Park Service) ;
  • Chae, Hyun Sook (Marine Bryozoans Resources Bank of Korea) ;
  • Yang, Ho Jin (Marine Bryozoans Resources Bank of Korea) ;
  • Noh, Geon Woo (Department of Food Science & Biotechnology, Graduate School, Woosuk University) ;
  • Lee, Dong Hee (Department of Life Science, Graduate School, Woosuk University) ;
  • Seo, Ji Eun (Department of Life Science, Woosuk University)
  • Received : 2021.05.06
  • Accepted : 2021.05.13
  • Published : 2021.08.31
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Abstract

We performed a taxonomic study on Korean Pacificincolidae (Bryozoa: Cheilostomata) with the materials collected from 39 localities(ports, intertidal and subtidal zones) in the coastal seas of South Korea from 1981 to 2020. Korean Mucronella perforata reported by Rho and Seo (1985) turned out to be not Pacificincola perforata, but Primavelans glabricollaris n. sp. based on morphological data. Pacificincola perforata, which was transferred from Mucronella perforata (Okada and Mawatari, 1937), is also added to the Korean fauna. This study is the first to use mitochondrial 16S rRNA gene sequences to study the family Paficincolidae. The NJ analysis also reconfirmed the validity of the genus Primavelans, established on the basis of the early astogeny by De Blauwe in 2006, with the mitochondrial 16S rRNA sequences. The inter-genetic distance among two species belong to the Pacificincolidae was in the range of 13.39±1.83 mm. Primavelans glabricollaris n. sp. is thus distinguished from Pacificincola perforata with both morphological and molecular data. A new species, Primavelans glabricollaris, and a new record, Pacificincola perforata from Korea are herein described in detail and illustrated by scanning electron microscopy.

Keywords

Acknowledgement

This research was supported by National Marine Biodiversity Institute of Korea (2021M01100) and a grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment(MOE) of the Republic of Korea (NIBR202130202). Also, this study was the project titled 'Improvement of management strategies on marine disturbing and harmful organisms (No. 20190518)' funded by the Ministry of Oceans and Fisheries, Korea. We thank to Dr. M.H. Dick, Division of Biological Sciences, Graduate School of Sciences, Hokkaido University, and Mr. H. De Blauwe, Scientific Associate of Malacology Section, Royal Belgian Institute of Natural Sciences, Belgium for very helpful comments. We acknowledge Hyun Kyung Kim for helping in sequencing.

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