Gonionchus

  

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Rev: 07/27/2025

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
Return to Gonionchus Menu Ecosystem Functions and Services
Distribution Management
Return to Xyalidae Menu Feeding  References
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Classification:

Chromadorea
  Chromadoria
   Monhysterida
Monhysterina
Sphaerolaimoidea
                 Xyalidae
       Gonionchus Cobb, 1920

Type species of the genus:  Gonionchus villosus Cobb, 1920

    Synonyms:
     

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Morphology and Anatomy:

Distinguished from the other genera by:

species divided into two groups:

No longitudinal ridges on cuticle Longitudinal ornamentation present on cuticle
  • G. africanus
  • G. australis
  • G. cumbraensis
  • G. inaequalis
  • G. intermedius
  • G. paravillosus
  • G. villosus
    •
  • G. alastairi
  • G. arabica
  • G. heipi\
  • G. inaequalis
  • G. longicaudatus
  • G. sensibilis
    •

     

    Females:

    •  Monodelphic, prodelphic

          Ref: Venekey et al., 2014; Lorenzen, 1977; Vincx, 1986


     

    Males:  

    • .

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

    Marine nematodes. Type species described from a tidepool in New Hampshire, USA. Most other species described from the North Sea and coastal areas of northern Europe (Venekey et al., 2014).

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    Feeding:

    Food Sources and Feeding strategies for the genus Gonionchus

     

     
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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:

    Cobb, N.A. 1920 One hundred new nemas (Type species of 100 new genera). Contrib Sci Nematol 9:217-243.

    Lorenzen, S. 1977.  Revision det Xyalidae (freilebende Nematoden) auf der Grundlage einer kritischen Analyse von 56 Arten aus Nord- und Ostsee. Veroff Inst Meeresforsch Bremerh 16:197-261.

    Venekey, V., Gheller, P.F., Maria , T.F., Brustolin, M.C., Kandratavicius , N., Vieira , D.C., Brito, S., Souza, G.S., Fonseca, G. 2014. The state of the art of Xyalidae (Nematoda, Monhysterida) with reference to the Brazilian records. Marine Biodiversity DOI 10.1007/s12526-014-0226-3

    Vincx M. 1986. Free-living marine nematodes from the Southern Bight of the North Sea. I. Notes on species of the genera Gonionchus Cobb, 1920, Neochromadora Micoletzky, 1924 and Sabatieria Rouville, 1903. Hydrobiol 140:255-286

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    Copyright © 1999 by Howard Ferris.
    Revised: July 27, 2025.