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New record of 21 ciliate species(Protozoa, Ciliophora) from South Korea

  • Omar, Atef (Natural Science Research Institute, Gangneung-Wonju National University) ;
  • Jung, Jae-Ho (Department of Biology, Gangneung-Wonju National University)
  • Received : 2021.07.13
  • Accepted : 2021.07.21
  • Published : 2021.08.31

Abstract

During a field survey of indigenous Korean ciliates, we collected 21 unrecorded species from aquatic (freshwater and brackish water [salinity about 1.0‰] samples) and terrestrial(moss and soil samples) habitats. The morphology of these species was studied based on live observation, protargol, silver carbonate and silver nitrate impregnation, and scanning electron microscope. These species belong to seven classes as follows: 1) class Heterotrichea - Blepharisma seculum; 2) class Spirotrichea - Birojimia terricola, Bistichella variabilis, Deviata bacilliformis, Oxytricha paragranulifera, Parabistichella cf. variabilis, Steinia sphagnicola, Stichotricha aculeata, Stylonychia cf. notophora, and Tetmemena bifaria minima; 3) class Armophorea - Metopus es; 4) class Litostomatea - Acropisthium mutabile, Pseudomonilicaryon japonicum, and Rimaleptus alpinus; 5) class Phyllopharyngea - Podophrya bivacuolata; 6) class Nassophorea - Drepanomonas pauciciliata; and 7) class Oligohymenophorea - Dexiostoma campylum, Frontonia atra, Histiobalantium natans viridis, Opisthonecta minima, and Tetrahymena rostrata. Here, we provide a brief diagnosis and remark for each species.

Keywords

Acknowledgement

We are grateful to Ji Hye Moon for providing the aquatic samples. This study was supported by the grant from the Nakdonggang National Institute of Biological Resources(NNIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea (NNIBR202101102).

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