Paraoxydirus

  

Contents

  

Rev 05/19/2025

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

Enoplea
   Dorylaimia
        Dorylaimida
Belondiroidea
              Swangeriidae

Paraoxydirus Jairajpuri & Ahmad, 1979

Type species of the genus: Paraoxydirus magnus (Timm, 1964) Jairajpuri & Ahmad, 1979

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Morphology and Anatomy:

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  • Body long and slender, 3.6-5.7 mm
  • Lip region rounded, continuous with body contour; lips amalgamated
  • Odontostyle small, asymmetrical, with small dorsal thorn at posterior end of aperture
  • Cylindrus about 33% of esophagus length, with sinistrally spiralled muscle sheath
  • Tail filiform in both sexes

Females:

  • Didelphic, amphidelphic

Males:  

  • Spiculesdorylaimoid
  • 11-13 contiguous ventromedian supplements

Ref: Andrassy, 2009

Note, somewhat similar to genus Falcihasta except that the spiral sheath is sinistral not dextral, and that there many more ventromedian supplements in the male.

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

Species either soil or freshwater inhabitants; described from Asia and Africa.

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Feeding:

Food Sources and Feeding strategies for the genus Paraoxydirus

 

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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:

Andrassy, I. 2009. Free-living Nematodes of Hungary III.  Hungarian Natural History Museum, Budapest. 608p.

Yeates, G.W., T. Bongers, R. G. M. De Goede, D. W. Freckman, and S. S. Georgieva. 1993. Feeding habits in soil nematode families and genera—An outline for soil ecologists. Journal of Nematology 25:315-331

 

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Copyright © 1999 by Howard Ferris.
Revised: May 19, 2025.