Thalassironus		Contents		Rev: 06/19/2026
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Thalassironus Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Ironidae Menu		Feeding		References
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Classification:

Enoplea

  Enoplia
        Enoplida

            Ironina

                Ironoidea

                    Ironidae

           Thalassironinae

Thalassironus  de Man, 1889

Type species of the genus Thalassironus britannicus de Man, 1889

    Synonyms:

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Morphology and Anatomy:

• Cuticle smooth or striated; head may be offset by a constriction
• Stoma surrounded by lips that form lobes. Teeth may be divided entirely or at the anterior ends, forming three or four odontophores.
• Inner labial sensilla papilliform, outer labial and cephalic sensilla setiform.
• Pharynx widens slightly in some species forming a weak basal bulb.
• Tail short conical to conico-cylindical with a short cylindrical posterior end.
• Caudal glands present

Ref: Shimada and Kakui, 2021; Smol et al., 2014

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Distribution:

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Feeding:

Food Sources and Feeding strategies for the genus Thalassironus

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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:

Shimada, D. and Kakui, K. 2021. Three Free-living Marine Nematodes From Sagami Bay, Japan, With a Description of Wiesoncholaimus jambio sp. nov. (Nematoda: Oncholaimidae). Zool. Science 39:106-114.

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

Copyright © 1999 by Howard Ferris.
Revised: June 19, 2026.