Rev 05/09/2023

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Morphology and Anatomy Life Cycle
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Paradorylaimus Andrassy, 1969

Type species of the genus: Paradorylaimus parafecundus (De Coninck, 1936) Andrassy, 1969

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Morphology and Anatomy:

  • Body length about 1.7-3 mm
  • Cuticle smooth, with finely striated subcuticle
  • Odontostyle fairly long, straight to slightly sinuate; Guiding ring double and thin
  • Esophagus expansion starting about 50% of esophagus length
  • Tail diffeeing between sexes


  • Didelphic-amphidelphic
  • Tail elongate to filiform


  • 12-18 ventromedian supplements, contiguous
  • Tail short and rounded

Ref: Andrássy, 2009

Body size range for the species of this genus in the database - Click:
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Freshwater habitats; species described from Asia and Africa.

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Categorized as omnivores (Yeates et al., 1993).

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Biology and Ecology:


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Life Cycle:

Males not present, not sexually reproducing.

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


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Andrassy, I. 2009. Free-living Nemaytodes of Hungary. Vol 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 09, 2023.