Paramonohystera

 

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Rev: 06/30/2025

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

Chromadorea
  Chromadoria
   Monhysterida
Monhysterina
Sphaerolaimoidea
                 Xyalidae
       Paramonohystera Steiner, 1916

Type species of the genus: Monhystera (Paramonohystera ) megacephala Steiner, 1916

    Synonyms:

Monhystera megacephala Bastian 1865
     

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Morphology and Anatomy:

Distinguishing features of the genus are:

Females:

  •  monodelphic, prodelphic

  
    Ref: Yu & Xu, 2015

 

 
Paramonohystera weihaiensis Male: a: lateral view anterior;  b. lateral view posterior - spicules, gubernaculum and dorsally-angled tail, Female: c. lateral view head end - buccal cavity, cephalic setae and a circle of long cervical setae; d. lateral view tail end with caudal gland cells; e. entire view body - ovary, oocytes and vulva.
Drawings from Huang and Sun, 2019

Males:  

  • diorchic
  • spicules paired
  • gubernaculum complex
  • no precloacal supplements

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

Free-living marine nematodes. Species described from various locations, including m,uddy sediment samples from the East China Sea at 70 m depth.

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Feeding:

Food Sources and Feeding strategies for the genus Paramonohystera

 
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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:

Huang, Y., Sun, J. 2019. Paramonohystera weihaiensis sp. nov. (Xyalidae, Nematoda) from the intertidal beach of the Yellow Sea, China. Journal of Oceanology and Limnology 37:1403-1408.

Steiner G. 1916. Freilebende Nematoden aus der Barentsee. Zool Jahrb Syst. 39:511-676.

Yu, T., Xu, K. 2015. Two new nematodes, Pseudelzalia longiseta gen. nov., sp. nov. and Paramonohystera sinica sp. nov. (Monhysterida: Xyalidae), from sediment in the East China Sea. J. Natural History 49:509-526.

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Copyright © 1999 by Howard Ferris.
Revised: June 30, 2025.