Osstella

  

Contents

  

Rev 10/11/2021

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

Chromadorea
  Rhabditia

    Rhabditida

     Tylenchina

 Cephaloboidea

    Osstellidae

        Osstella Heyns, 1962

    As of 2021, the only known species of this genus is O. hamata (Heyns, 1962) described from South Africa.

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Morphology and Anatomy:

 

 

 

  • Rhabdions fused to form a tube which projects anteriorly beyond the lips.

  • Lips replaced by two subdorsal and two subventral hooks.

  • Esophagus with weakly developed basal bulb that has no valve.

Female:

  • Monovarial prodelphic.

  • Long overy reflexed to beyond vulva

Ref: Heyns, 1962

 

 

 

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

 

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Feeding:

 

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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:

  • De Ley, P and Coomans, A. 1990. Terrestrial nemtodes of the Galapagos Archipelago. 1: Three Rhabditida nfrom Isla Fernandina. Bull Inst. Roy. Sci, Nat. Belgique, Biologie 60:5-22
  • Heyns, J. 1962. Osstella hamata n.gen, n. sp, Zeldia serrata n. sp. and Acrobeles thornei n.sp. three new nematodes from South Africa (Rhabditida: Cephalobidae. Nematologica 8:301-306.
  • Bongers, T. 1994. De Nematoden van Nederland
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    Copyright © 1999 by Howard Ferris.
    Revised: October 11, 2021.