Spirodesma

 

Contents

  

Rev: 05/25/2026

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

Chromadorea
  Chromadoria
   Desmodorida
Desmodorina
             Deamodoroidea
                Desmodoridae
     Spiriniinae

  •         Spirodesma Cavalcanti,  Da Silva & Da Fonseca-Genevois, 2009
  •       Type species of the genus: Spirodesma magdae Cavalcanti,  Da Silva & Da Fonseca-Genevois, 2009

    Note: Leduc and Verschelde(2015) suggest that morphological similarities may warrant future synonymy of Spirodesma with Perspiria,

        Synonyms:
         

     

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    Morphology and Anatomy:

     

    Females:

    • Didelphic, amphidelphic, ovaries reflexed
     


    Males:       
    • Monorchic;  testis anteriorly directed on left of intestine
    • Spicules ventrally curved, capitulum not offset and velum well developed.
    • Three tubular precloacal supplements

     

    Ref: Cavalcanti et al., 2009

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

    Marine nematodes inhabiting deep-sea sediments of the Campos Basin, Brazil.

     
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    Feeding:

    Food Sources and Feeding strategies for the genus Spirodesma

     

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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:

    Cavalcanti, M.D.F., Da Silva, M.C., Da Fonseca-Genevois, 2009. Spirodesma magdae nov. gen. nov. sp. (Nematoda: Desmodoridae) from the Brazilian deep sea (Campos Basin, Rio de Janeiro, Brazil). Zootaxa 2096: 109-118.

    Leduc, D., Verschelde, D. 2015. New Spirinia and Stygodesmodora species (Nematoda: Spriniiinae) from the Soutwest Pacific, and a revision of the related genera Spirinia, Chromaspirinia and Perspiria.. European J. Taxonomy 118:1-25.
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    Copyright © 1999 by Howard Ferris.
    Revised: May 25, 2026.