Animal Systematics, Evolution and Diversity

The Korean Society of Systematic Zoology (한국동물분류학회)
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Echinoderes lanceolatus, a New Kinorhynch from Korea (Kinorhyncha, Cyclorhagida, Echinoderidae)

동문동물 1신종, 표창자라목벌레 (Echinoderes lanceolatus)의 기재(동문동물문, 원통자라목벌레목, 가시자라목벌레과)

  • Chang, Cheon-Young (Department of Biology, College of National Sciences, Daegu University) ;
  • Song, Young-Hee (Department of Biology, College of Natural Sciences, Hanyang University)
  • Published : 2002.10.01
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Abstract

A new kinorhynch species belonging to the genus Echinoderes is described on the basis of the materials from the subtidal sediments and various macroalgae in the south and east coast of Korea. Echinoderes lanceolatus n. sp. is characteristic in having the subcuticular scars in subventral position on segment 3 and incomplete midventral articulation on segment 4, the middorsal spines a little shorter than the corresponding segments, the ‘brace-shaped’muscle scars at sternal plates of segments 9 and 10 in females, the flat posterior margin of terminal ventral plates and the lanceolate terminal tergal extension.

한국의 동해안과 남해안에서 채집한 동문동물 1신종(Echinoderes lanceolatus)을 기재한다. 표본은 조하대의 저질과 해조류를 플랑크톤 넷트에 걸러 채집하였다. 이 종은 제3마디 흉판 중앙부 양측의 커다란 각흔(殼痕) 제4마디 흉판의 희미한 중앙연접 자국. 각각 해당 몸통 마디보다 약간 짧은 제6-10정중등가시. 암컷 제9-10마디 흉판의 중괄호형 근흔(筋痕), 마지막 복판의 뒷가장자리가 곧은점, 그리고 표창처럼 날카롭고 긴 제13마디의 등돌기가 특징이다.

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References

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