Odontophora exharena

Odontophora exharena		Contents		Rev: 04/12/2026
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Odontophora Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Axonolaimidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

Chromadorea
Chromadoria
Araeolaimida: Araeolaimoidea; Axonolaimidae


Odontophora exharena Warwick & Platt, 1973

    Synonyms:

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Morphology and Anatomy:

Main characteristics:

Cuticle with fine transverse striation.
Six labial papillae small and indistinct; four long cephalic setae, 19-21 um.
Subcephalic setae in two whorls; 4 setae 9-11 um long in submedian positions about mid-level of amphids; 4 11-13 um sublateral setae and 4 2.5 um submedian setae just posterior to amphids.
Buccal cavity typical of the genus. Odontia 7 um long; posterior portion of buccal cavity conical, 13 um long.
Amphids very large, an open loop 16 um long and 7.5 um wide.
Esophagus with no posterior bulb, nerve ring 102-104 um from anterior.
Somatic setae 13 um long, sparsely scattered along length of esophagus, middle region of body with very few setas.
Tail conical in both sexes, 4.7 cbd long in male and 6.7 abd in female

Female:

Didelphic, ovaries symmetrical, opposed and not reflexed.

Odontophora exharena: A:male head; B: Female head C: Male tail
Drawings from Warwick and Platt, 1973

Males:

Spicules paired, uniformly arcuate, cephalated proximally and pointed distally.
Gubernaculum with paired dorsal apophyses, 19 um long.
Small papilliform pre-cloacal supplements indistinct (about four)

Ref: Warwick and Platt, 1973

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

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Distribution:

Described from sandy sediments on beach at Firemore Bay, Loch Ewe, Scotland.

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Feeding:

Free-living marine nematodes. Probably epistrate microbial feeders.

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Biology and Ecology:

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Life Cycle:

Ecophysiological Parameters:

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

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Ecosystem Functions and Services :

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Management:

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References:

Warwick, R.M. and Platt, H.M. 1973. New and little known marine nematodes from a Scottish sandy beach.. Cahiers de Biologie Marine 14:135-158.

Copyright © 1999 by Howard Ferris.
Revised: April 12, 2026.