Pselionema		Contents		Rev: 10/29/2024
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Pselionema Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Ceramonematidae Menu		Feeding		References
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Classification:

Chromadorea

  Chromadoria

       Plectida

Ceramonematoidea

            Ceramonematidae

   Pselionematinae

       Pselionema Cobb, 1933

Type species of the genus: Pselionema annulatum (Filipjev, 1922) Cobb, 1933

 

   Synonyms:

            Steineria Filipjev, 1922

  Pselionemoides Haspeslagh, 1973

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Morphology and Anatomy:

•  Cuticle consists with 70-210 annules which are usually thick and broad.
•  Zygapophyses usually more or less developed.
• Labial region not setoff. from cephalic capsule.
• Amphid loop-shaped, elongate. No cuticular thickening between amphid branches .

Ref: Tchesunov and Miljutina (2002)

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Distribution:

Marine nematodes usually found in coarse sand in shallow seas.

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Feeding:

Probably epistrate feeders

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Biology and Ecology:

Free-living marine nematodes.

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Life Cycle:

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Ecosystem Functions and Services:

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Management:

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References:

Filipjev, I.N. 1922. Encore sur Jes Nematodes de la Mer Noire. Trudy stavropol. selskokhoz. Inst., 1: 83-184.

Haspeslagh, G. 1973. Superfamilie des Ceramonematoidea (Cobb, 1933)(Nematoda) evolution et systematique. Ann. Soc. Roy. Zool. Belg. 102:235-251

Tchesunov, A.V. and Miljutina, M.A. 2002. A review of the family Ceramonematidae (marine free-living nematodes), with descriptions of nine species from the White Sea. Zoosyst. Rossica 11:3-39.

Copyright © 1999 by Howard Ferris.
Revised: October 29, 2024.