Rev 12/31/2022

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
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Distribution Management
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Swangeria Thorne, 1939

Nematodes in the family Swangeriidae were considered by Jairajpuri (1964) to differ from those in the Belondiridae by the usually asymmetrical odontostyle and long to filiform tail.  However, ssome recent authors consider Swangirridae synonymous with Belondiridae.

Type species of the genus: Swangeria fragilis Thorne, 1939

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Morphology and Anatomy:





  • Amphidelphic
  • Vulva a transverse slit
  • Males:  

  • Rre or absent in soome species
  • Spicules arcuate with lateral guiding pieces
  • Three well-spaced ventromedian supplements


Body size range for the species of this genus in the database - Click:
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  Classified as plant feeders and possibly omnivores (Yeates et al., 1993).   

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

Botha, A., Heyns, J. 1993. Species of the genera Swangeria, Dorylaimellus (Axodorylaimellus), Laimydorus and Rhabdolaimus from rivers in the Kruger National Park (Nematoda: Dorylaimida and Araeolaimida). Koedoe 36:49-60. doi: 10.4102/koedoe.v36i1.361

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: December 31, 2022.