Phylloncholaimus		Contents		Rev 12/03/2024
		Classification		Hosts
		Morphology and Anatomy		Life Cycle
Return to Phylloncholaimus Menu		Economic Importance		Damage
		Distribution		Management
Return to Oncholaimdae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

Enoplea

     Enoplia

        Enoplida

              Oncholaimoidea

                    Oncholaimidae

Pontonematinae

Phylloncholaimus Bussau, 1995

Type species of the genus: Phylloncholaimus immanis Bussau, 1995

Synonyms:

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Morphology and Anatomy:

• Cuticls smoothe with few somatic setae.
• Head six very short labial setae and a single circle of six short and four long cephalic setae.
• Amphids leaf-shaped, each with a cuticularized rib that extending longitudinally through a tongue-shaped membrane arising from the dorsal border and partially covering the aperture
• Dorsolateral and ventrolateral orthometanemes present, each with a caudal filament.
• Buccal cavity barrel-shaped, strongly cuticularized, with one small dorsal tooth and two large subventral teeth of equal size.
• Demanian system not seen.
• Caudal glands and spinneret absent.
• Tail with filiform end

The leaf-shaped amphidds are a unique characteristic.

Male:

• Diorchic, testes outstretched

Female:

• Didelphic, ovaries reflexed, on right-side of intestine

Ref: Bussau, 1995

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Distribution:

Type species described from a manganese nodule area (highly mammillatcd, botryoidal nodule type) o f the abyssal eastern tropical South Pacific Ocean (Peru Basin): at a depth of 4200 m.

Free-living  marine nematodes, including in deep-sea sites.

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Economic Importance:

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Feeding:

     Omnivores?

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Life Cycle:

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Damage:

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Management:

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References:

Bussau, C.,1995. New deep-sea Nematoda (Enoplida,Thoracostomopsidae,Oncholaimidae, Enchelidiidae) from a manganese nodule area of the eastern South Pacific. Zool. Scr. 24:1-12.

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Copyright 1999 by Howard Ferris.
Revised: December 03, 2024.