Chrysodorus longicaudatus




Rev 04/10/2023

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Chrysodorus longicaudatus Jimenez-Guirado & Cadenas, 1985

Type species of the genus.

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Morphology and Anatomy:

  • Very slender nematodes, 1.2-4.3 mm long.
  • Cuticle smooth.
  • Lip region truncate, continuous with  body contour.
  • Odotophore short and thick with an aperture > 25% its length.
  • Odontostyle weak and slender.


  • Diovarial, amphidelphic,
  • Vulva a small pore
  • Tail long and filiform, about 2ox anal body diameter.


  • Supplements: 1 pait adcloacal and 15-16 contiguous ventromedian postcloacal supplements.
  • Spicules large, dorylaimoid.
  • 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

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:


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Aquatic and moist habitats. Species described from sandfy sediments of the Rio Yuegas in Cordoba, Spain.

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Categorized as an omnivore (Yeates et al., 1993)




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Biology and Ecology:

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Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters

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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 Río Guadalquivir. Misc. Zool., 9: 49-54.

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

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: April 10, 2023.