Thalassomonhystera oxycephalata

 

Contents

 

Rev: 11/19/2024

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
Return to Thalassomonhystera Menu Economic Importance Ecosystem Functions and Services
Distribution Management
Return to Monhysteridae Menu Feeding  References
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Classification:

Chromadorea
  Chromadoria
   Monhysterida
Monhysterina
Monhysteroidea
                 Monhysteridae
Diplolaimellinae
       Thalassomonhystera oxycephalata Tchesunov & Miljutina, 2005

    Synonyms:

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Morphology and Anatomy:

Females:

  • Monodelphic, prodelphic, gobad outstretched and situated entirely to the right of the midgut.
  •  Vulva at about 65% of body length
  • No postvulvar sac.

  
   

Thalassomonhystera ocycephalata male
A= entire body; B= anterior body; C= posterior body
Bars A= 100 um; B,C =10 um
From Tchesunov and Miljutina, 2005

Males:  

  • Monorchic, testis outstretched and situated entirely to the right of the midgut.
  •  Spermatocytes relatively large and arranged in one row in the anterior part of the gonad.
  •  Spicules short, arcuate, distally pointed and proximally ending with slightly differentiated knobs.
  • Gubernaculum with a dorso-caudal apophysis.
  • No supplements.

RefL Tchesunov amd Miljutina, 2005



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

 

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Distribution:

Deep sea nematodes. Described from samples of silt  at 5569 meters depth in the Molloy Deep of the Arctic Ocean between Greenland and the Svalbard archipelgo.

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Economic Importance:

 

 

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Feeding:

Non-selective deposit feeders, actually bacteria feeders (Heip et al., 1988)

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Biology and Ecology:

Deep ocean free-living nematodes

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Life Cycle:

Probably sexually reproducing.

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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Ecosystem Functions and Services:

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Management:

 
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References:

Tchesunov, A.V., and Miljutina, M. 2005. Three new minute nematode species of the superfamily Monhysteroidea from Arctic Abyss. Zootaxa 1051: 19-32
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