Cyathoshiva

Cyathoshiva	Contents	Rev: 07/11/2024
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Cyathoshiva Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Cyatholaimidae Menu	Feeding	References
	Go to Nemaplex Main Menu	Go to Dictionary of Terminology

Classification:

Chromadorea
Chromadoria
Chromadorida: Chromadorina
Chromadoroidea
Cyatholaimidae: Cyatholaiminae
Cyathoshiva Datta, Miljutin, Chakraborty & Mohapatra, 2016
Type species of genus: Cyathoshiva amaleshi Datta, Miljutin, Chakraborty & Mohapatra, 2016

Synonyms:

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Morphology and Anatomy:

Body cylindrical with truncated anterior end and conical tail.
Cuticle transversely punctated. Lateral differentiation in form of slightly enlarged dots.
Large cuticular pores arranged in longitudinal rows.
Outer labial sensilla and cephalic sensilla arranged in one circle.
Amphideal fovea multispiral.
Cheilostome cup-shaped, surrounded by twelve rugae (cuticular folds); pharyngostome with one large pointed dorsal tooth and smaller subventral teeth.
Pharynx muscular, without posterior bulb.

Females:

Didelphic, amphidelphic, ovaries reflexed. Anterior ovary lying right of intestine; posterior ovary to left.

Ref: Datta et al., 2016

Males:

Diorchic; anterior testis outstretched, posterior testis reflexed, on right and left of intestine, respectively.
Spicules arcuate.
Gubernaculum proximally fused, distally paired, with serrations at dilated distal end.
Precloacal supplements present.

Body size range for the species of this genus in the database - Click:

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Distribution:

Type species, C. amaleshi, reported from Bay of Bengal, coast of northeast India.

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Feeding:

Free-living marine nematode; probably epistrate feeders

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Biology and Ecology:

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Life Cycle:

For Ecophysiological Parameters for this genus, click

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Ecosystem Functions and Services:

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Management:

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References:

Datta, T.K., Miljutin, D.M., Chakraborty, S.M. Mohapatra, A. 2016. Cyathoshiva amaleshi gen. n. sp. n. (Nematoda: Cyatholaimidae) from the coast of India. Zootaxa 4126:577-586.

Wieser, W. 1953. Die Beziehungzwischen Mundhhlengestalt, Emhrungsweise und Vorkommenbeimarinen Nematoden. Arkive Zoologie, 4: 439-484.

Cyathoshiva

Copyright © 1999 by Howard Ferris. Revised: July 11, 2024.

Copyright © 1999 by Howard Ferris.
Revised: July 11, 2024.