Euterranova dentiduplicata

 

Contents

 

Rev 08/24/2026

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Euterranova Menu Economic Importance Damage
Distribution Management
Return to Anisakidae Menu Feeding  References
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Classification

Class:    Chromadorea
SubClass: Spiruria
Order:       Ascaridida
Superfamily: Ascaridoidea
Family:         Anisakidae

                          Euterranova dentiduplicata Moravec & Justine, 2020

Type species of the genus

Synonyms:


Morphology and Anatomy:

Male:

  • Posterior end of body curved ventrally.
  • Spicules  about 2.8% of body length.
  • Gubernaculum absent.
  •  49–64  pairs of small subventral papillae, 43–58 precloacal
  •  phasmids small
  • Plectane present, (cuticular plates supporting papillae), posterior to cloacal aperture

Ref: Moravec and Justine, 2020

Female:

  • Vulva at 27-31 % of body length; vagina directed posteriorly from vulva.
  • Eggs in uterus spherical, thin-walled, smooth, 42-48 um diam.
  •  Tail with pair of lateral phasmids near posterior end.

 

Euterranova dentiduplicata  (A) Anterior end of male, dorsoventral view; (B) cephalic end of larger male, ventral view; (C) inner surface of median labial elevation armed with teeth in female; (D) cephalic end, apical view; (E) deirid; (F) caudal end of male, lateral view; (G) posterior end of male body, lateral view; (H) male tail, ventral view; (I) tail of female, lateral view; (J) tail of male, lateral view; (K) egg.

Drawings from Moravec and Justine, 2020
   

 

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:
   
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Distribution:

Reported from Pacific Ocean, off Noumea, New Caledonia.


 
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Economic Importance:

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Hosts:

Type host Zebra shark Stegostoma fasciatum (Moravec and Justine, 2020)

 

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Feeding:

Stomach parasite.

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Life Cycle:

 

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters
 
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Damage:


 

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Management:

 

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References:

Moravec, F. and Justine, J-L.. 2020. Erection of Euterranova n. gen. and Neoerranova n. gen. (Nematoda, Anisakidae), with the description of E. dentiduplicata n. sp. and new records of two other anisakid nematodes from sharks off New Caledonia. Parasite 27:58;  doi:10.1051/parasite/2020053

 

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Revised by Howard Ferris.
Revised: August 24, 2026.