Rev 03/14/2023

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
Return to Chrysonema Menu Ecosystem Functions and Services
Distribution Management
Return to Chrysonematidae Menu Feeding  References
    Go to Nemaplex Main Menu   Go to Dictionary of Terminology



Chrysonema Thorne, 1929


Chrysonemoides Siddiqi, 1060

      Back to Top

Morphology and Anatomy:

Ref: Andrássy, 2009


Chrysonema attenuatum: B: Entire male; C: Female anterior; D: Female anterior, amphid; E: expanded region of female esophagus; F: Female anterior gonmad.
Modified from Ahmad and Shaheen, 2005



  • Female diovarial, amphidelphic.



  • Shorter than female
  • 6-9 ventomedian supplements


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

Back to Top


Aquatic and semi-aquatic environments.

Back to Top


    Categorized as omnivores by Yeates et al., 1993 

Back to Top

Biology and Ecology:

Back to Top

Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this genus, click   

Back to Top

Ecosystem Functions and Services:


Back to Top



Back to Top


Ahmad, W. Shaheen, A. 2005. A new and known species of the genus Chrysonema Thorne, 2005. (Nematoda, Dorylaimida) from Costa Rica. Nematol. Medit. 33:55-60.

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

De Man G., 1880. Die einheimischen, frei in der reinen Erde und im s�ssen Wasser Lebenden Nematoden. Tijdschrift nederlandsche dierkundige Vereeniging, 5: 1-104.

Siddiqi, M.R. 1969. Crateronema n. gen. (Crateronematidae n. fam.), Poronemella n. gen. (Lordellonematinae n. sub-fam.) and Chrysonemoides n. gen. (Chrysonematidae n. fam. ), With a Revised Classification of Dorylaimoidea (Nematoda). Nematology 15:81-100.

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


Back to Top

Copyright 1999 by Howard Ferris.
Revised: March 14, 2023.