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서지반출
Taxonomic Study of Poorly-known Marine Pleurostomatid Ciliates of Litonotus paracygnus and L. pictus (Ciliophora: Pleurostomatida) from Korea
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  • Taxonomic Study of Poorly-known Marine Pleurostomatid Ciliates of Litonotus paracygnus and L. pictus (Ciliophora: Pleurostomatida) from Korea
  • Taxonomic Study of Poorly-known Marine Pleurostomatid Ciliates of Litonotus paracygnus and L. pictus (Ciliophora: Pleurostomatida) from Korea
저자명
Kim. Se-Joo,Min. Gi-Sik
간행물명
Korean journal of systematic zoology
권/호정보
2009년|25권 2호|pp.167-178 (12 pages)
발행정보
한국동물분류학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Two poorly known and often confused pleurostomatid ciliates, Litonotus paracygnus Song, 1994 and L. pictus Gruber, 1884, were collected from the coastal waters of Yeonggeumjeong and Bongpo-port, Gangwondo in the East Sea and from the Iwon tide embankment near Ganwol-do, Chungcheongnam-do in the Yellow Sea, Korea. These species were described based on live observations, the protargol-impregnation and morphometrics of the species. Also provided are their diagnoses. The small subunit ribosomal DNA (SSU rDNA) sequences of these species were compared with previously known sequences of related species. The diagnostics of the two Litonotus species are as follows. L. paracygnus: 150-300 $mu$m long in vivo, strongly contractile neck region, two ellipsoid macronuclei (Ma) and one micronucleus (Mi), 7 left (LSK) and 11-14 right somatic kineties (RSK), 2-4 contractile vacuoles (CV) located on the posterior end, extrusemes (Ex) distributed on the anterior region of the ventral margin only. L. pictus: about 200-600 $mu$m long in vivo, extremely contractile, beautiful body color with rows of yellow to yellow-brownish cortical pigment granules, 12-21 Ma arranged in moniliform pattern, infrequently vermiform, 7-11 LSK and 18-26 RSK, several CV located on both margins, Ex distributed on the anterior region of the ventral margin only. In this study, this genus was firstly recorded in Korea.