Rev 03/14/2023

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
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Coomansinema Ahmad & Jairajpuri, 1989

Type species of the genus: Coomansinema dimorphicauda Ahmad & Jairajpuri, 1989
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Morphology and Anatomy:

  • Body length 1.4-2.1 mm.
  • Labial framework not sclerotized.
  • Lip region not offset from body contour; lips amalgamated.
  • Odontostyle slightly sinuate.
  • Female reproductive system amphiidelphic.
  • Males with dorylaimid genital system, 10-15 ventromedian supplements, uniformly spaced.
  • Female tail rounded with a short to long projection; male tail rounded.

    Morphologically similar to Mesodorylaimus except for the non-offset lip region and amalgamated lips.
Reference: Andrássy, 2009

Body size range for the species of this genus in the database - Click:
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Categorized as 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.

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: March 14, 2023.