Choniolaimus		Contents		Rev: 02/22/2026
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Choniolaimus Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Selachinematidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

Chromadorea

  Chromadoria

   Chromadorida

    Selachinematidae

Choniolaiminae

       Choniolaimus Ditlevsen, 1918

Type species of the genus: Choniolaimus papillatus Ditlevsen, 1918

    Synonyms:
     

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Morphology and Anatomy:

• Outer labial and cephalic sensilla setose
• Cuticle punctated, without lateral differentiation
• Amphideal fovea coiled in many turns
• Radially symmetrical stoma consists of two compartments: an anterior relatively-small, cup-shaped chamber and a posterior cylindroid chamber. The anterior chamber is reinforced by rhabdions that are only slightly movable and posteriorly bicuspid; posterior chamber with strong rhabdions pointed anteriorly.rhabdions
• Pharynx cylindrical, thickened anteriorly and terminated with a posterior muscular bulb

Ref: Tchesunov, 2013

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Distribution:

Freshwater, brackish water and marine habitats, and sand dunes.

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Feeding:

Food Sources and Feeding strategies for the genus Choniolaimus

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Biology and Ecology:

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Life Cycle:

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Ecosystem Functions and Services:

Predator.

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Management:

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References:

Tchesunov, A.V. 2013. 7.12 Order Chromadorida Chitwood, 1933. In Schmidt-Rheas and de Gruyter, W. Handbook of Zoology.Gastrocticha, Cycloneuralia, Gnatifera. Volume 2: Nematoda

Copyright 1999 by Howard Ferris.
Revised: February 22, 2026.