Trissonchulus		Contents		Rev: 08/28/2026
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Trissonchulus Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Ironidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

Enoplea

  Enoplia
        Enoplida

            Ironina

                Ironoidea

                    Ironidae

           Thalassironinae

Trissonchulus Cobb, 1920

Type species of the genus Trissonchulus oceanus Cobb, 1920

    Synonyms:

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Morphology and Anatomy:

Characteristics of the genus:

• Stoma with well-developed lips, three or four teeth and denticles in some species (dorsal tooth fused to varying degrees and may appear separated in juvenile replacement teeth).
• Inner labial sensilla papilliform, outer labial and cephalic sensilla papilliform or very short setae.
• Pharynx posteriorly enlarged or with basal bulb.
• Tail cylindrical, very short, wide and blunt.

Ref: Smol et al., 2014; Huang and Guo, 2022

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Distribution:

Marine nematodes, species reported from intertidal sandy sediment

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Feeding:

Food Sources and Feeding strategies for the genus Trissonchulus

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Biology and Ecology:

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Life Cycle:

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Ecosystem Functions and Services:

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Management:

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References:

Huang, Y. and Guo, Y. 2022. Free-living Marine Nematodes from the East China Sea, https://doi.org/10.1007/978-981-16-3836-7_10

Smol, N., Muthumbi, A., Sharma, J. 2014. Order Enoplida, 7.3. In Schmidt-Rhaesa, A. (ed) Handbook of Zoology. De Gruyter, Berlin

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Revised by Howard Ferris: August 28, 2026.