Rev 04/10/2023

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Chrysodorus Jimenez-Guirado & Cadenas, 1985

Type species of the genus: Chrysodorus longicaudatus Jimenez-Guirado & Cadenas, 1985

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Morphology and Anatomy:

The extremely slender body differentiates the genus Chrysodorus from all other genera of the Mesodorylaiminae (Andrassy, 2009, Pena-Santiago et alo., 1998).

  • Very slender nematodes, 1.2-4.3 mm long.
  • Cuticle smooth.
  • Lip region truncate, continuous with  body contour.
  • Odontostyle weak and slender.


  • Diiovarial, amphidelphic,
  • Vulva a longitudinal slit or a pore
  • Tail attenuated to filiform


  • 7-16 contiguous ventromedian supplements.
  • Spicules massive.
  • Tail short and rounded.

Ref: Andrássy, 2009. Jimenez-Guirado and Cadenas, 1985.

Chrysodorus longicaudatus A: General morphology, female; B: Anterior reghion; C: Amphid; D: Tail; E: Female gonad; F: General morphology, male; G: Posterior region; H: Spermatozoa
From Jimenez-Guirado & Cadenas, 1985
Body size range for the species of this genus in the database - Click:
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Freshwater aquatic habitats and moist soil.

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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.

Jimenez-Guirado, D. and Cadenas, M. J., 1985. Especies de Laimydorus Siddiqi, 1969 y descripcion de Chrysodorus longicaudatus gen. et sp. n. (Nematoda, Dorylaimidae) de la cuenca del R�o Guadalquivir. Misc. Zool., 9: 49-54.

Pena-Santiago, R. Jimenez-Guirado, D., Abolafia, J. 1998.  Fundamental and Applied Nematology 221:569-574.


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Copyright © 1999 by Howard Ferris.
Revised: April 10, 2023.