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Description of two new species of Haliplectus Cobb, 1913 (Nematoda, Plectida, Haliplectidae) from mangrove areas of Sandspit backwater, Karachi, Pakistan
Waheed, S.; Decraemer, W.; Kazi, K.; Tariq, R.M.; Iqbal, E. (2024). Description of two new species of Haliplectus Cobb, 1913 (Nematoda, Plectida, Haliplectidae) from mangrove areas of Sandspit backwater, Karachi, Pakistan. Zootaxa 5468(1): 154-166. https://dx.doi.org/10.11646/zootaxa.5468.1.6
In: Zootaxa. Magnolia Press: Auckland. ISSN 1175-5326; e-ISSN 1175-5334, meer
Peer reviewed article  
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Trefwoorden
    Haliplectus sandspitensis Waheed, Decraemer, Kazi, Tariq & Iqbal, 2024 [WoRMS]; Haliplectus shahinae Waheed, Decraemer, Kazi, Tariq & Iqbal, 2024 [WoRMS]
    Brak water
Author keywords
    H. shahinae n. sp., H. sandspitensis n. sp., marine nematodes, morphology, morphometrics
Auteurs  Top 
  • Waheed, S.
  • Decraemer, W., meer
  • Kazi, K.
  • Tariq, R.M.
  • Iqbal, E.
Abstract
    Haliplectus shahinae n. sp. and H. sandspitensis n. sp. two free-living marine nematodes of the family Haliplectidae Chitwood, 1951 collected from mangrove areas of Sandspit backwater, Karachi, Pakistan, are being described and illustrated. Both new species belong to a group of species characterized by the presence of a bipartite basal esophageal bulb with striated or unstriated valve plates. H. shahinae n. sp. is characterized by its comparatively shorter body length (0.4–0.44 mm); annulated cuticle; amphidial fovea at 6–9 µm from the anterior end; bipartite basal bulb with unstriated valve plates; reproductive system mono-prodelphic with reflexed ovary, presence of post uterine sac and vulva at 52–57% of body length and tail short conoid, straight, 1.5–1.8 times anal body width long. H. sandspitensis n. sp. is characterized by more than 1 mm body length (1.0–1.2 mm); annulated cuticle; amphidial fovea at 8–12 µm from the anterior end; bipartite basal bulb with striated valve plates; didelphic reproductive system, with the vulva at 40–47% of body length and tail elongated, conoid, 1.4–2.2 times anal body width long. A dichotomous identification key is provided for the valid species of Haliplectus Cobb, 1913.
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