Justinema

  

Contents

  

Rev: 10/12/2026

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

         Chromadorea

Chromadoria

         Rhabditida

Rhabditina

             Infraorder Rhabditomorpha
                  Heligmosomoidea
       Heligmonellidae
                    Pudicinae
                  Justinema R'Kha & Durette-Desset, 1991
      
Type species of the genus: Justinema patterae R'Kha & Durette-Desset, 1991

    Synonyms:

 

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Morphology and Anatomy:

Strongylidae are thought to have arisen from free-living rhabditoid nematodes (Durette-Dusset et al., 1994).

 

Ref: Durette and Justine, 1991

 

 

Females:

  
 

Males:  

  • Caudal bursa type2-2-1; bursal dorsal ray divided in its anterior half, except in P. gonosoma; 9th and 10th rays of equal length, or 9th rays slightly longer than 10th rays; 9th rays inserted distally on the dorsal ray

 

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

Parasites of caviomorph (New World) rodents

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Feeding:

Food Sources and Feeding strategies for the genus Justinema

Parasites of caviomorph rodents of the family Echimyidae (three species).

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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:

Beveridge, I., Spratt, D.M.  and Durette-Desset, M-C. 2014. Order Strongylida (Railliet and Henry, 1913). In Schmidt-Raesa, A. (ed). Handbook of Zoology: Gastroctricha, Cycloneurelia and Gnathifera. Vol 2. Nematoda. De Gruyter, Berlin.

Durette-Desset, M-C., Beveridge, I., Spratt, D.M. 1994. The origins and evolutionary expansion of the Strongylida (Nematoda). Int. J. Parasitol. 24:1139-1165.

Durette-Desset, M-C. and Justine, J-C. 1991. A cladistic anaklysis of the genera in the subfamily Pudicinae (Nematoda, Trichostrongyloides, Heligmonellidae). Int. Jour. Parasitol. 21:579-587

Durette-Desset, M-C. 1970. Caracteres primitifs de certains Nematodes Heligmosomes parasites de Muridas et de Cricetides orientaux. Ann. Parasitol. Hum. Comp., 45-829-837.

R'Kha, S. and Durette-Desset,M-C. 1991. Trois espices (dont deux nouvelles) de Nematodes Trichostrongylo'ides coparasites de Proechimys semispinosus en Colombie: description de Justinema n. gen. Bulletin du Musium National d'Histoire Naturelle, Paris, 4"Sir. (Zoologie) (1990) 12: 555-562.

  

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Revised by Howard Ferris: October 12, 2026.