Rhynchonema

 

Contents

 

Rev: 03/26/2022

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

Chromadorea
  Chromadoria
   Monhysterida
Monhysterina
Sphaerolaimoidea
                 Xyalidae
       Rhynchonema Cobb, 1920

Type species Rhynchonema cinctum Cobb, 1920

    Synonyms:
     

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Morphology and Anatomy:

The paper by Bezerra et al (2014) provides descriptions of all currently knowm species of the genus.


 

Females:

  • Monodelphic, prodelphic.

Males:

  • Diorchic

  
    Ref: Bezerra et al., 2014

 

 


Rhynchonema veronicae
a.
Male head, cheilostome, pharyngostome and amphid; anteriorly directed annule edges. b. entire male head showing anterior narrowing, amphid, nerve ring, the cardia, the inversion
point of the annules. From Bezerra et al., 2014

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

The genus Rhynchonema is distributed world-wide in diverse coastal environments ranging from brackish water to exposed beaches in intertidal and low subtidal zones, from clay to coarse sand and in sediments under seagrass beds (Bezerra et al., 2014).

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Feeding:

 
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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:

Bezerra, T.N. Smol, N. , Vincx, M. 2014. Two new species of Rhynchonema Cobb, 1920 from a Brazilian sandy beach. Mar Biodiv DOI 10.1007/s12526-014-0223-6

 

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Copyright © 1999 by Howard Ferris.
Revised: March 26, 2022.