Family Chromadoridae

Revised 11/26/22







                                                     Chromadoridae Filipjev, 1917
Chromadorinae Gerlach & Riemann, 1973

Type genus of the subfamily: Euchromadora de Man, 1886

A subfamily of free-living marine nematodes

  • Cuticle with complex heterogeneous ornamentation along body, often with differentiation in lateral fields,
  • Six outer labial and four cephalic setae may be in a single circle
  • Amphid apertures slit-like or oval, posterior to cephalic setae
  • Buccal cavity with large dorsal tooth and with or without denticles or smaller subventral teeth.
  • Esophagus usually with or without posterior bulb.
  • Male gubernaculum with lateral pieces
  • Ptecloacal supplements absent.
  • Mainly marine  nematodes.


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

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


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