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Two new species of the genus Ptycholaimellus Cobb, 1920 (Nematoda: Chromadoridae) from coastal zone of North Vietnam sea
Thanh, N.V.; Tu, N.D.; Gagarin, V.G.; Tchesunov, A.V.; Hien, N.T. (2012). Two new species of the genus Ptycholaimellus Cobb, 1920 (Nematoda: Chromadoridae) from coastal zone of North Vietnam sea. Tap Chi Sinh Hoc 34(4): 413-418. https://hdl.handle.net/10.15625/0866-7160/v34n4.2675
In: Tap Chi Sinh Hoc: Hanoi. ISSN 0866-7160, more
Peer reviewed article  

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Keywords
    Chromadoridae Filipjev, 1917 [WoRMS]; Nematoda [WoRMS]; Ptycholaimellus Cobb, 1920 [WoRMS]
    Marine
Author keywords
    Chromadoridae, Ptycholaimellus, free-living marine nematodes, new species, North Vietnam coastal sea

Authors  Top 
  • Thanh, N.V.
  • Tu, N.D.
  • Gagarin, V.G.
  • Tchesunov, A.V.
  • Hien, N.T.

Abstract
    Two new marine nematode species of the family Chromadoridae collected from coastal zone of North Vietnam sea were described and illustrated are Ptycholaimellus brevisetosus sp. n. and Ptycholaimellus areniculus sp. n.. The new species P. brevisetosus sp. n. resembles to P. pandispiculatus (Hopper, 1961) but differs from it by the longer body, absence of somatic and cervical setae, more wide labial region, longer cephalic setae and longer spicules, and P. areniculus sp. n. resembles to P. macrodentatus (Timm, 1961) but differs from it by the longer body, relatively shorter cephalic setae, absence of knob-like swellings at base of dorsal tooth in stoma and presence of small piece in spicular apparatus of males.

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