Parodontophora deltensis		Contents		Rev 08/24/2026
		Classification		Hosts
		Morphology and Anatomy		Life Cycle
Return to Parodontophora Menu		Economic Importance		Damage
		Distribution		Management
Return to Axonolaimidae Menu		Feeding		References
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Classification:

Chromadorea

  Chromadoria

       Araeolaimida

Araeolaimoidea

Axonolaimidae

Parodontophora deltensis Zhang, 2005

    Synonyms:

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Morphology and Anatomy:

• Cuticle with faint striation discernible in the lateral field. Six outer labial papillae around the lip region. Cephalic setae 4.2 um long,

• Cervical setae 3 um long, in two subdorsal groups of two longitudinally-arranged setae and two subventral setae,

• Somatic setae scattered.

• Mouth opens into a short vestibulum and the stoma with a conical anterior and cylindrical posterior which has highly cuticularized walls. Six bifurcate teeth at the tip of the cylindrical stoma. Buccal cavity about 27-33 um long from tip of teeth to the base of stoma.

• Esophagus widens gradually to a posterior bulb inthe last

• Amphids semi-looped. the posterior edge slightly beyond base of stoma

• Renette cell is elongated oval to rectangular, about 61 um long, situated just behind the small conoid cardia. Nerve ring at 63% of esophafgus length. Excretory pore at mid-level of buccal cavity.

	Male: Diorchic Spicules arcuate Gubernaculum with dorsally directed apophyses Female: Didelphic Vulva at mid-body Ref: Zhang, 2005
Parodontophora deltensis. Male: a) anterior with amphids and buccal cavity; b) posterior with spicules and gubernaculum Photomicrographs from Zhang, 2005

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Distribution:

Described from clay-silt sediments at 10-16 m depth from delta of the Huanghe River and ajacent Laizhou Bay, China.

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Feeding:

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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:

Zhang, Z. 2005: Three new species of free-living marine nematodes from the Bohai Sea and Yellow Sea, China. J. Nat. Hist. 39: 2109-2123.

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Revised by Howard Ferris.
Revised: August 24, 2026.