Xenocyatholaimus

  

Contents

  

Rev: 02/20/2026

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
Return to Xenocyatholaimus Menu Ecosystem Functions and Services
Distribution Management
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Classification:

Chromadorea
  Chromadoria
   Chromadorida
Chromadorina
             Chromadoroidea
                Cyatholaimidae
Xenocyatholaiminae
       Xenocyatholaimus Gerlach, 1953

Type species of the genus: Xenocyatholaimus delamarei Gerlach, 1953

    Synonyms:
     

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Morphology and Anatomy:

 
  • Cuticle with transverse striae, only with punctated ornamentation anterior to the amphideal fovea and on tail; ten longitudinal ridges present.
  • Six outer labial setae and four cephalic setae arranged in a single circle, the four cephalic setae being shorter than six outer labial setae.
  • Amphideal fovea multispiral, located and about one head width from anterior end.
  •  Buccal cavity large, with large pointed dorsal tooth. .

Females:

  • Didelphic-amphidelphic

 

 

Ref: Tchesunov, 2013

   
   

 

Males:  

  • Precloacal supplements absent;
  • Gubernaculum small

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

Free-living marine nematodes,

 
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Feeding:

Food Sources and Feeding strategies for the genus Xenocyatholaimus

Microbes; epistrate feeders

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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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Management:

 
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References:

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

 
Copyright © 1999 by Howard Ferris.
Revised: February 20, 2026.