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New Record of Two Apokeronopsis Species (Ciliophora: Urostylida: Pseudokeronopsidae) from Korea
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  • New Record of Two Apokeronopsis Species (Ciliophora: Urostylida: Pseudokeronopsidae) from Korea
  • New Record of Two Apokeronopsis Species (Ciliophora: Urostylida: Pseudokeronopsidae) from Korea
저자명
Jung. Jae-Ho,Baek. Ye-Seul,Min. Gi-Sik
간행물명
Korean journal of systematic zoology
권/호정보
2011년|27권 2호|pp.115-122 (8 pages)
발행정보
한국동물분류학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The morphology of the two marine hypotrichous ciliates Apokeronopsis bergeri and A. ovalis, isolated from the Yellow Sea, Korea, are described based on live and protargol-impregnated specimens. It is the first time that these species have been recorded in Korea. In addition, the small subunit ribosomal RNA gene was sequenced for comparison with the public database. The genus Apokeronopsis has recently been established in the family Pseudokeronopsidae, and the two congeners of the Korean population share the following characteristics: one row of one or more buccal cirri; usually two frontoterminal cirri; midventral complex composed of two distinctly separated rows; one left and one right marginal row; number of transverse cirri, more than eight; absence of caudal cirri; two types of cortical granules. Apokeronopsis bergeri differs from A. ovalis primarily in body shape (fusiform vs. oval form), size (usually $260{ imes}80{mu}m$ vs. $160{ imes}55{mu}m$), type II cortical granules (oval vs. round shape; yellow-green vs. mostly colourless and only a few yellow-green in colour), and morphometric data (75-106 vs. 53-70 in adoral membranelles; 37-47 vs. 24-36 in frontal cirri; 9-15 vs. 1-2 in buccal cirri), as well as molecular data (2.87% of pairwise distance).