Epacanthion ampullatum

 

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Rev 02/03/2024

  Classification Hosts
Morphology and Anatomy Life Cycle
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Distribution Management
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Classification:

 

Enoplea
  Enoplia
        Enoplida
            Enoplina
                Enoploidea
                    Thoracostomopsidae
Enoplolaiminae

Epacanthion ampullatum  Lo Russo, Villares, Martelli, Pastor de Ward & Harguinteguy, 2012

    Synonyms:

The subfamily Enoplolaiminae is mainly marine but has some freshwater species. The subfamily is distinguished from the other subfamilies (Thoracostopsinae and Trileptiinae) by the three broad mandibles in the buccal cavity, each formed by of two rods with a thin membrane between them, and by a strongly sclerotized cephalic region with three lips and protruding cephalic setae (Lo Russo et al., 2012).

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Morphology and Anatomy:

 

 

Male:

  • Body cylindrical with smooth cuticle.
  • Sclerotized cephalic capsule; lips Lips striated and composed of three sclerotized mandibles, each of two longitudinal solid bars with a thin membrane between them; mandibles expanded laterally in the proximal end with one tooth on each side. Two cusps with one small tooth on the distal end of each.
  • Each lip with two labial setae.
  • Ssix short and six long cephalic setae inserted at base of lips.
  • Somatic setae with no distinct pattern.
  • Esophagus cylindrical, long and muscular.
  • Diorchic, testes located at the left of the intestine, extending to the anterior region of the body.
  • Two short, equal spicules
  •  Gubernaculum triangular
  •  One long, tubular precloacal supplement.
  •  Tail cylindrical-conical in shape.

Female:

  • Didelphic, ovaries reflexed.
  • Body shape similar to male.

Ref: Lo Russo et al., 2012
   

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

 
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Distribution:

Described from littoral coastal region of Patagonoa, Argentina.

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Feeding:

Marine predatory species.
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Biology and Ecology:

 

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Life Cycle:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters
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Ecosystem Functions and Services:

Predation and regulation of opportunistic species.

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Management:

 

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References:

Lo Russo, V..,Villares, G., Martelli, A., Pastor de Ward, C. T. and Harguinteguy, C. 2012. New species of Epacanthion (Nematoda: Thoracostomopsidae) from Patagonia coast, Rio Negro and Chubut, Argentina.  J. Marine Biol. Assoc., UK

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Copyright 1999 by Howard Ferris.
Revised: February 03, 2024.