Synonchiella rotundicauda

Synonchiella rotundicauda	Contents	Rev: 05/04/2024
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Synonchiella Menu		Biology and Ecology
	Distribution	Management
Return to Selachinematidae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria
Chromadorida
Selachinematidae: Selachinematinae
Synonchiella rotundicauda Leduc, 2013

Synonyms:

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Morphology and Anatomy:

Synonchiella rotundicauda is characterized by:

cephalic setae 0.25 cbd long,
mandibles each with two pairs of hooks and two wing-like projections laterally.
six conical inner labial papillae, six longer outer labial setae, four cephalic setae
multispiral amphideal fovea with 3-5 turns,
cuticle with transverse rows of punctations
pharynx widening posteriorly, not forming true bulb.
nerve ring at 45% of pharynx length from anterior end.
secretory-excretory system present, cellular body of ventral gland small, situated immediatly posterior to pharynx,
short tail (2.2. abd) with rounded ending (unique for genus)

	Females: Didelphic, amphidelphic; posterior ovary reflexed, anterior ovary poorly developed, Vulva at mid-body Ref: Leduc, 2013
Synonchiella rotundicauda A. Male anterior; B. Male tail; C. Male spicules, gubernaculum, cup-shaped supplements. Bar=25um Photomicrographs from Leduc, 2013
Males:
Diorchic, with outstretched testes Spicules short, strongly curved Gubernaculum small Somatic setae short and sparse eight cup-shaped pre-cloacal supplements, Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

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Distribution:

Predatory marine nematodes. Recorded from bottom sediments between 300 and 500 m deep off the coast of New Zealand

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Feeding:

Predatory:

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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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Biology and Ecology:

Predator,

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Management:

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References:

Leduc, D. 2013. Two new genera and five new species of Selachinematidae (Nematoda, Chromadorida) from the continental slope of New Zealand. European Journal of Taxonomy 63: 1-32.

Synonchiella rotundicauda

Copyright © 1999 by Howard Ferris. Revised: May 04, 2024.

Copyright © 1999 by Howard Ferris.
Revised: May 04, 2024.