Zalonema

 

Contents

 

Rev: 10/30/2024

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

Chromadorea
  Chromadoria
   Desmodorida
Desmodorina
             Deamodoroidea
                Desmodoridae
        Desmodorinae
      Zalonema Cobb, 1920

    Type species of the genus:  Zalonema nudum Cobb, 1920

    Synonyms:

     Heterodesmodora Micoletzky, 1924

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Morphology and Anatomy:

 

Females:

  • Didelphic, amphidelphic, ovaries reflexed.
 
 
Males:   
  • Monorchic.
  • Spicules slightly arched, cuticularised, without velum.
  • Gubernaculum short. Ventral and lateral ala sometimes present but may be difficult to distinguish..

 

Ref: Verschelde and Vinck, 1996: Tchesunov, 2014; Gharahkhani et al., 2021.


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

 
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Feeding:

Probably epistrate feeders

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Biology and Ecology:

Marine nematodes, free-lving.

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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). Contributions to a Science of Nematology (Cobb), 9: 217-343. http://dx.doi.org/10.2307/3272166

Gharahkhani, A., Pourjam, E., Leduc, D., Pedram, M. 2021. Further data on Iranian marine nematode diversity, with description of three new Desmodoridae Filipjev, 1922 (Nematoda: Desmodorida) species from the Persian Gulf. Nematology 23:781-802.

Larrazabal-Filho, A.L., Da Silva, M.C., Esteves, A.M. 2015. Four new species of free-living marine nematodes of the family Desmodoridae (Nematoda: esmodorida) and a redescription of Desmodora nini (Inglis, 1963) from the continental shelf off northeastern Brazil. Zootaxa 4021, 63-92. DOI: 10. 11646/zootaxa.4021.1.3

Tchesunov, A.V. 2014. Order Chromadorida Chitwood, 1933. In: Schmidt-Rhaesa, A. (Ed.). Handbook of zoology, Gastrotricha, Cyclioneuralia and Gnathifera. Volume 2: Nematoda. Hamburg, Germany, De Gruyter, pp. 374-434.

Verschelde, D. and Vincx, M. 1996. Four new species of the family Desmodoridae (Nematoda, Desmodoroidea) from Kenya. Zoologica Scripta 25, 1-20. DOI: 10.1111/j.1463- 6409.1996.tb00148.x

 
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Copyright © 1999 by Howard Ferris.
Revised: October 30, 2024.