Acanthopahrynx denticulatus

Acanthopharynx denticulatus	Contents	Rev: 10/30/2024
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Acanthopharynx Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Desmodoridae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria
Desmodorida: Desmodorina
Deamodoroidea
Desmodoridae: Desmodorinae
Acanthopharynx denticulatus Wieser, 1954

    Synonyms:

Morphology and Anatomy:

Cuticle strongly striated in the anterior becoming f ner at mid-body.
Head capsule well developed. Six inner and six outer labial setae, both sets papilliform; four cephalic setiform sensilla.
Two circles of 10â€“12 subcephalic setae, 6-8 um long and very close to each other. One pair of sublateral setae at level of amphidial fovea.
Amphidial fovea cryptospiral located in the head capsule and not surrounded by cuticle striations.
Eight longitudinal rows of short somatic setae (< 5 um) along the anterior body region, continuing as six longitudinal rows at mid-body and four rows on the tail.
Buccal cavity with 12 cheilorhabdia, one large dorsal tooth and two smaller ventrosublateral teeth, a transverse row of 7-10 minute denticles at level of tip dorsal tooth.
Pharynx meandering with posterior widened bulb, internal lining well sclerotized.
End portion of tail smooth,with characteristic ventral bend; spinneret well developed

Ref: Armenteros et al., 2014

Females:

Didelphic, ovaries antidromously reflexed, anterior genital branch to the right of the intestine, posterior genital branch to the left.

Males:

Monorchic, the anterior testis to the right of the intestine.
Spicules strongly bent, with capitulum,
Gubernaculum a straight rod oriented dorsally.
Precloacal ventromedian supplements (13-16) appear as small pits located on a cuticular ridge

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

Distribution:

Collected from the Punta Frances coral reef (Cuba).

Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click	If species level data are not available, click for genus level parameters

Ecosystem Functions and Services:

Armenteros, M., Ruiz-Abierno, A., Decraemer, W. 2014. Revision of Desmodorinae and Spiriniinae (Nematoda: Desmodoridae) with redescription of eight known species. European J. Taxonomy 96:1-32.

Wieser W. 1954. Free-living marine nematodes II. Chromadoroidea. Acta Universitatis Lundensis (N. F. 2) 50, C.W.K. Gleerup, Lund

Acanthopharynx denticulatus

Contents

Classification:

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Morphology and Anatomy:

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Distribution:

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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:

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Copyright 1999 by Howard Ferris.
Revised: October 30, 2024.

Acanthopharynx denticulatus

Copyright 1999 by Howard Ferris. Revised: October 30, 2024.

Copyright 1999 by Howard Ferris.
Revised: October 30, 2024.