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A New Species and a New Record of the Diastylidae (Crustacea: Cumacea) from Korea

Lee, Chang-Mok    (Ilsan International Convention High School   ); Lee, Kyung-Sook    (Department of Life Sciences, Dankook University  );
  • 초록

    In this study, a new species, $Dimorphostylis$ $breviplicata$ n. sp. is described and illustrated on the basis of specimens collected from the shallow Korean waters. This new species is similar to $Dimorphostylis$ $brevicaudata$ (Zimmer, 1903), $Dimorphostylis$ $acroplicata$ Harada, 1960 and $Dimorphostylis$ $valida$ Gam $\hat{o}$ , 1962 in that the carapace has three pairs of oblique ridges on the surface. However, the new species is distinguished by the combination of the following features: the middle oblique ridge is short and not joined to the other oblique ridges; the transverse ridge is absent on the frontal lobe; the dorso-median process on the pereonite 5 is only barely visible; the male telson has no short stout seta on the both lateral margins; the length ratio of the first to remaining articles combined on the male uropod is 1 : 0.7. A key to the Korean $Dimorphostylis$ species is provided. Also, $Diastylis$ $alaskensis$ Calman, 1912 is redescribed as a new recorded species of the Korean fauna.


  • 주제어

    taxonomy .   Cumacea .   Diastylidae .   $Dimorphostylis$ $breviplicata$ .   new species .   $Diastylis$ $alaskensis$ .   Korea.  

  • 이미지/표/수식 (9)

    • Dimorphostylis breviplicata new species specimens preserved in alcohol. A Habitus of male lateral; B Habitus of female lateral. Scale bars: A B=1 mm.
    • Dimorphostylis breviplicata new species male. A Habitus lateral; B Cephalothorax dorsal; C Antenna 1; D Antenna 2; E Maxilliped 3. Scale bars: A B=1.5 mm C=0.3 mm D E=0.5 mm.
    • Dimorphostylis breviplicata new species male. A Labium; B Left mandible; C Right mandible; D Maxilla 1; E Maxilla 2; F Maxilliped 1; G Maxilliped 2. Scale bars: A D E=0.3 mm B C G=0.2 mm F=0.4 mm.
    • Dimorphostylis breviplicata new species male. A Pereopod 1; B Pereopod 2; C Pereopod 3; D Pereopod 4; E Pereopod 5. Scale bars: A-D=0.5 mm E=0.3 mm.
    • Dimorphostylis breviplicata new species male. A Pleopod 1; B Pleopod 2; C Telson uropod and pleonite 6 dorsal; D Carapace of subadult male lateral. Scale bars: A B=0.1 mm C=0.5 mm D=1.5 mm.
    • Dimorphostylis breviplicata new species female. A Habitus lateral; B Cephalothorax dorsal; C Distal portion of pereopod 1; D Pereopod 2; E Telson uropod and pleonite 6 dorsal. Scale bars: A B=1.5 mm C E=0.3 mm D=0.5 mm.
    • Comparison of diagnostic characters among Dimorphostylis breviplicata n. sp. and related species
    • Diastylis alaskensis Calman subadult male. A Habitus lateral; B Cephalothorax dorsal; C Antenna 1; D Maxilliped 3; E Pereopod 1. Scale bars: A B=2 mm C=0.2 mm D=0.5 mm E=1 mm.
    • Diastylis alaskensis Calman subadult male. A Pereopod 2; B Pereopod 3; C Telson uropod and pleonite 6 dorsal. Scale bars: A=1 mm B=0.3 mm C=0.5 mm.

    논문관련 이미지

  • 참고문헌 (22)

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    3. Calman WT, 1912. The Crustacea of the order Cumacea in the collection of the United States National Museum. Proceedings of the U. S. National Museum, 41:603-676. 
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    5. Gerken S, 2005. Two new Diastylidae (Crustacea: Cumacea) from California, collected by the R/V Velero IV. Proceedings of the Biological Society of Washington, 118:270-284. 
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    8. Hong JS, Park MR, Choi KS, 1998. Four species of the family Diastylidae (Crustacea: Cumacea) from the Yellow Sea. Journal of Korean Society of Oceanography, 33:100-112.     
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    10. Kang BJ, Lee KS, 1996. A new species of the genus Diastylis (Cumacea, Diastylidae) from Korea. Korean Journal of Systematic Zoology, 12:211-220. 
    11. Kim IH, 1992. Using a light-trap for collection marine crustaceans. The Newsletter of the Korean Society of Systematic Zoology, 16:6-7 (in Korean). 
    12. Lee CM, Kim YH, Lee KS, 2003. Two new records of Dimorphostylis (Crustacea, Cumacea, Diastylidae) from Korea. Korean Journal of Biological Sciences, 7:93-103.     
    13. Lee CM, Lee KS, 2007. Taxonomic notes on the two species of the genus Dimorphostylis (Crustacea, Cumacea, Diastylidae) from Korea. Integrative Biosciences, 11:235-246.     
    14. Lee KS, Lee CM, 2002. A new species of the genus Dimorphostylis (Cumacea, Diastylidae) from Korea. Korean Journal of Biological Sciences, 6:23-33.     
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    16. Muhlenhardt-Siegel U, 1996. Cumacea (Crustacea) from the Red Sea and the Maldives (Indian Ocean) in the collection of the Zoological Museum, Hamburg, with the description of seven new species and a new genus. Beaufortia, 46:105- 134. 
    17. Park MR, Hong JS, 1999. Three species of the genus Diastylis (Crustacea: Cumacea) from the Yellow Sea. Journal of Natural History, 33:979-998. 
    18. Shalla S, 2011. Cumacea: identification guide to British cumaceans. NMBAQC Workshop, Dove Marine Laboratory, New Castle, pp. 1-46. 
    19. Stebbing TRR, 1913. Cumacea (Sympoda). Das Tierreich, 39: 1-210. 
    20. Watling L, McCann LD, 1997. Taxonomic atlas of the benthic fauna of the Santa Maria Basin and western Santa Barbara channel. The Crustacea part 2: Cumacea. Santa Barbara Museum of Natural History, 11:121-180. 
    21. Zimmer C, 1903. Die Cumaceen des museums fur Maturkunde in Berlin. Zoologische Jahrbucher, Abtheilung fur Systematik, Geographie und Biologie der Thiere, 18:665-694. 
    22. Zimmer C, 1921. Mitteilung uber Cumaceen des Berliner Zoologischen Museums. Mitteilungen aus dem Zoologischen Museum in Berlin, 10:117-149. 

 저자의 다른 논문

  • Lee, Kyung-Sook (35)

    1. 1986 "Systematic Study of Amphipoda (Crustacea) in Korea: V. Descriptions of One Hitherto Unrecorded Species and Two Known Species from Korean Waters" 동물학회지 = The Korean journal of zoology 29 (3): 159~164    
    2. 1986 "Systematics Study of Amphipoda (Crustaces) in Korea: VI. Gammarus hoonsooi, a New Species of Freshwater Gammarid (Gammaridae) from the South Korea" 동물학회지 = The Korean journal of zoology 29 (3): 165~170    
    3. 1992 "한국 담수산 Gammarus속 (Crustacea, Amphipoda, Gammaridae)의 1신종" 한국동물분류학회지 = The Korean journal of systematic zoology 3 (): 93~100    
    4. 1995 "Copepod Associated with Ascidians from Korea. II. A New Species of Botryllophilus (Copepoda, Cyclopoida, Ascidicolidae) from Simple Ascidians at Chindo Island in the South Sea, Korea" 한국동물분류학회지 = The Korean journal of systematic zoology 11 (1): 79~86    
    5. 1995 "Three Species of the Genus Dimorphostylis (Crustacea, Cumacea, Diastylidae) new to Korea" 한국동물분류학회지 = The Korean journal of systematic zoology 11 (2): 167~182    
    6. 1997 "Doropygus hoi, a New Species, and Redescription of Doropygus pinguls Ooishi, 1962 (Copepoda, Cyclopoida, Notodelphyldae) Associated with Solitary Ascidians in Korea" Korean journal of biological sciences 1 (4): 543~563    
    7. 2002 "한국산 코올챙이새우류(올챙이새우목, 코올챙이새우과) 3미기록종" 한국동물분류학회지 = The Korean journal of systematic zoology 18 (1): 99~120    
    8. 2002 "A New Species of the Genus Dimorphostylis (Cumacea, Diastylidae) from Korea" Korean journal of biological sciences 6 (1): 23~33    
    9. 2003 "Two New Records of Dimorphostylis(Crustacea, Cumacea, Diastylidae) From Korea" Korean journal of biological sciences 7 (2): 93~103    
    10. 2004 "Taxonomic Notes on Some Korean Species of the Genus Ampelisca (Amphipoda, Ampeliscidae)" Korean journal of biological sciences 8 (4): 255~265    

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