Paracanthonchus

  

Contents

  

Rev: 01/21/2025

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
Return to Paracanthonchus Menu Ecosystem Functions and Services
Distribution Management
Return to Cyatholaimidae Menu Feeding  References
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Classification:

Chromadorea
  Chromadoria
   Chromadorida
Chromadorina
             Chromadoroidea
                Cyatholaimidae
       Paracanthonchus Micoletzky, 1924

    Synonyms:

Harveyjohnstonia Mawson, 1953

Metcanthonchus Wieser, 1954

Paraseuratiella Stekhoven, 1950

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Morphology and Anatomy:

 

Females:

  •  Didelphic, amphidelphic.
  • Female body with a distinct ventral narrowing just posterior to vulva.
  •  Oviparous.

   
    RefL Tchesunov, 2015.

Males:  

 

  • Monorchic, testis outstretched.
  • Five equal weakly cuticularized midventral supplements.
  •  Gubernaculum paired, proximal part elongate spoon-like, distal part expanded with submedian spike and numerous tiny denticles

Body size range for the species of this genus in the database - Click:
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Distribution:

Free-living marine nematode.

 
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Feeding:

Probably epistrate feeders with scraping tooth in stoma  (Heip et al., 1998; Tchesunov, 2015)

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Biology and Ecology:

 

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Life Cycle:

 
 
For Ecophysiological Parameters for this genus, click 
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Ecosystem Functions and Services:

 

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Management:

 
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References:

Heip, C., Vincx, M., Vranken, G. 1985. The ecology of marine nematodes. Oceanography and marine biology. Ann Rev Lond 23:399-489

Tchesunov, A.V. 2015. Free-living nematode species (Nematoda) in hydrothermal sites of the North Mid-Atlantic Ridge. Helgoland Marine Research 69:343-384.

 

 
Copyright © 1999 by Howard Ferris.
Revised: January 21, 2025.