Rev 06/26/2023

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Morphology and Anatomy Life Cycle
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Karadorylaimus Andrassy, 2011

Type species of the genus: Karadorylaimus immaritus Andrassy, 2011

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Morphology and Anatomy:

  • Body length about 2mm
  • Cuticle smooth, thin.
  • Lip region offset from body contour; lips rounded
  • Odontostyle strong, longer than labial diameter, slightly sinuate
  • Esophagus expansion starting about 50% of esophagus length
  • Prerectum short.
  • Female genital system diovarial, amphidelphic; vulva longitudinal
  • Males unknown; no spermatozoa in female genital tract.
  • Tail long and filiform to a fine tip

Ref: Andrássy, 2011

Body size range for the species of this genus in the database - Click:
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Moist soil, mosses, semi-aquatic and freshwater habitats.

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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. 2011. Free-living Nematodes from the Seychelles in Gerlach, J. (ed) Crustacea, Platyhelminthes, Nematoda, Nemartea, Annelida, Rotifera and Tardigrada of the Seychelle Islands. Siri Scientific Press, Manchester, UK

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: June 26, 2023.