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Two new species of harpacticoid copepods from anchialine caves in karst area of North Vietnam

  • Tran, Duc Luong (Department of Aquatic Ecology, Institute of Ecology and Biological Resources) ;
  • Chang, Cheon-Young (Department of Biological Science, Daegu University)
  • 투고 : 2011.06.12
  • 심사 : 2011.09.02
  • 발행 : 2012.02.28

초록

Two new harpacticoid species belonging to the genera $Microarthridion$ Lang, 1944 (Tachidiidae) and $Nitocra$ Boeck, 1864 (Ameiridae) are recorded from underground caves in the karst area of Ninh Binh Province, North Vietnam. $Microarthridion$ $thanhi$ n. sp. is distinguished from congeneric species by the number of setae on the antennary exopod, the structure of leg 5 in both sexes, and the finger-like process modified from an outer distal pinnate seta of the third endopodal segment of leg 2 in the male. $Nitocra$ $vietnamensis$ n. sp. has the character combination of six setae on the ellipsoidal exopod of leg 5 in both sexes, the first endopodal segment of leg 1 shorter than the whole exopod, the seta/spine armature of an inner seta of P2-P4 enp-1 and four elements on P2 enp-3, and the reduction of the proximal endite to a seta on the maxillary syncoxa.

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참고문헌

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