Hypodontolaimus

 

Contents

 

Rev: 09/02/2024

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

Chromadorea
  Chromadoria
   Chromadorida
   Hypodontolaimidae (or Chromadoridae: Hypodontolaiminae)
       Hypodontolaimus de Man, 1886

Type species of the genus: Hypodontolaimus inaequalis (Bastian, 1865) de Man, 1886

    Synonyms:

Iotadorus Cobb, 1920

Ptycholaimellus Cobb, 1920

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Morphology and Anatomy:

The genus can be separated into two groups., one in which males have supplements, the other in which males lack supplements (Andrassy and Gibson, 2006; Pinto and Neres, 2020)

Species of Hypodontolaimus in which males have supplements Species of Hypodontolaimus in which males lack supplements
H. abyssalis
H. antarcticus
H. balticus
H. dimorphus
H. inaequalis
H. marleenae
H. setosoides
H. setosus
H. angelae
H, colesi
H. galapagensis
H. golikovi
H. interruptus
H. kiseloevi
H. longiseta
H. mediterraneus
H. obtusicaudatus
H. pilosus
H. plurisetus
H. pumilio
H. punctulatus
H. reversus
H. schuurmansstekhoveni
H. salivagus
H. steineri
H. ventrapophyses

 

Females:
  • large S-shaped hollow dorsal tooth  and a dorsal apophysis in  stoma.
  • one or two small subventral teeth.
  • amphids oval or loop-shaped
  • large muscular buccal bulb
  • cuticle with regular punctations with 2-4 rows of larger punctations in lateral field.

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

   
Males:  

One group with supplements, the other without

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Distribution:

Brackish water and marine habitats.

The genuss is distributed globally;  all species are marine inhabitants, inhabiting brackish waters of coastal regions to depths of the oceans. The representatives of the genus can be divided in two distinct groups. The Wrst group consists

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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:

Andrassy, I. and Gibson, J.A.E. 2006. Nematodes from saline and freshwater lakes of the Vestfold Hills, East Antarctica, including the description of Hypodontolaimus antarcticus sp. n. Polar Biology DOI 10.1007/s00300-006-0224-4

Goodey, T and J.B. Goodey, 1963. Soil and Freshwater Nematodes. Methuen. London

Muthumbi, A.W., Vincx, M. 1998. Chromadoridae (Chromadorida: Nematoda) from the Indian Ocean: Description of new and known species. Hydrobiologia 364:119-153.

Pinto, T.K. and  Neres, P.F. 2020. Four new species of free-living nematodes from shallow continental shelf of Portugal. Zootaxa 4722 (1): 001-033.

 

 
Copyright © 1999 by Howard Ferris.
Revised: September 02, 2024.