Family Chromadoridae

                                 Revised 01/09/26

Classification:

Nematoda

Chromadorea

Chromadoria

Chromadorida

Chromadorina

Chromadoroidea

         Chromadoridae Filipjev, 1917

A family of free-living marine nematodes with abundant genera and species.

  • Cuticle with complex ornamentation, including punctations, especially in lateral field areas.
  • Six outer labial and four cephalic setae may be in a single circle
  • Amphid apertures spiral or oval to slit-like. located posterior to cephalic setae
  • Ocelli visible on fresh specimens
  • Stoma funnel-shaped with a large dorsal tooth and with or without dentyicles or two smaller subventral teeth.
  • Esophagus usually with posterior bulb.
  • Females diovarial.
  • Males diorchic with small pre-anal ventromedian supplements; gubernaculum with hammer-shaped or L-shaped lateral pieces.
  • Tail conoid with spinneret.
  • Mainly marine  nematodes.
  • Reported from depths up to 2000m in the Indian Ocean (Muthumbi and Vincx, 1998)
Photographs by Ashleigh Smythe, Smithsonian Institute


  Subfamilies of Chromadoridae:


    Go To Dictionary of Terminology 

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

References

Andrássy, I. 2005. Free-living Nematodes of Hungary I.  Hungarian Natural History Museum.

Muthumbi, A.W., Vincx, M. 1998. Chromadoridae (Chromadorida: Nematoda) from the Indian Ocean: Description of new and known species. Hydrobiologia 364:119-153.

Tchesunov, A.V. 2013. 7.12 Order Chromadorida Chitwood, 1933. In Schmidt-Rheas and de Gruyter, W. Handbook of Zoology.Gastrocticha, Cycloneuralia, Gnatifera. Volume 2: Nematoda

Timm, R.W. 1961. The marine nematodes of the Bay of Bengal. Proceedings of Pakistan Academy of Sciences,1:1-88

Return to Chromadoridae Menu

Return to Chromadorida Menu

 Want more information about nematodes? Go to Nemaplex Main Menu.