Fusivermis fertilis

Fusivermis fertilis	Contents	Rev: 03/23/2023
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Fusivermis Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Fusivermidae Menu	Feeding	References
	Go to Nemaplex Main Menu	Go to Dictionary of Terminology

Classification:

Chromadorea
Chromadoria
Monhysterida: Monhysterina
Siphonolaimoidea
Fusivermidae
Fusivermis fertilis Tchesunov, 1996

As of 2021, the type and only species of the genus which is the only genus in the Fusivermidae.

    Synonyms:

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Morphology and Anatomy:

Marine nematodes.

Body fusiform, strongly tapered at anterior and posterior ends.
Female length 1.2-2.5 mm.
Cuticle finely striated.
Cephalic setae and outer labial setae in a single whorl of 10 labial papillae difficult to see.
Stoma minute.
Amphid circular
Esophagus anteriorly thin, widening into a muscular bulb posteriorly.
Excretory pore posterior to nerve ring.
Ovaries strongly developed, producing many small eggs.
Male diorchic, testees opposed and outstretched.
Spicules short, gubernaculum without apohysis,
Tail short, conical with a termianl spinneret.

Ref: Tchesunov (1996); Fonseca and Bezerra (2014)

Females:

Diovarial, amphidelphic, gonads outstretched.

Males:

Diorchic; testees opposed and outstretched.
Spicules short, gubernaculum without apohysis

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

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Distribution:

Found in sublittoral zones at 10-20m depths, Kandalasha Bay, White Sea, in silt and fine sand.

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Feeding:

Unknown.

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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:

Fonseca, G., Bezerra, T.M. 2014. 7.14 Order Monhysterida in A. Schmidt-Rhaesa. Handbook of Zoology, Gastrotricha, Cycloneuralia and Gnathifers, Vol 2. Nematoda. De Gruyter, Berlin. 759p

Tchesunov, A.V. 1996. A new nematode family Fusivermidae fam.n. (Monhysterida) for Fusivermis fertilis gen. n., sp. n. from the White Sea. Nematologica 42:35-41.

Fusivermis fertilis

Copyright © 1999 by Howard Ferris. Revised: March 23, 2023.

Copyright © 1999 by Howard Ferris.
Revised: March 23, 2023.