Dentinema

Dentinema	Contents	Rev: 09/08/2022
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Dentinema Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Cosmocercidae Menu	Feeding	References
	Go to Nemaplex Main Menu	Go to Dictionary of Terminology

Spirurina

Cosmocercoidea

Cosmocercidae

Cosmocercinae

Dentinema Moravec, Chara & Shinn, 2004

Type species of the genus: Dentinema trichomycteri Moravec, Chara & Shinn, 2004

Synonyms:

Morphology and Anatomy:

Body fusiform, medium-sized.
Lateral alae absent.
Mouth aperture triangular, surrounded by 3 small lips, each associated with cuticularized lamella-like formation around a small buccal cavity.
Six radial ridges present; each extending from a papilla or amphid to edge of mouth.
Buccal cavity with 3 large conical esophageal teeth.
Esophagus differentiated with short pharyngeal region; elongate isthmus and spherical bulb with valves.
Cuticle finely striated
Tail conical.
Intestinal parasites of neotropical fishes.

Ref: Moravec et al., 2004.

Males:

Ventral precloacal surface with pairs of oblique muscle bands.
Precloacal sucker absent;.
Spicules eof equal length, broad.
Gubernaculum well developed.
Numerous paired pre-anal, adanal and postanal papillae.
Caudal alae absent.

Females:

Didelphic, amphidelphic.
Vulva postequatorial.
Numerous oval thin-walled eggs.

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

Distribution:

Dentinema trichomycteri specimens were collected as nematode parasites from the stomachs and intestines of catfishes (Trichomycterus spp). from streams in Colombia (Moravec et al., 2004).

Life Cycle:

For Ecophysiological Parameters for this genus, click

Ecosystem Functions and Services:

Moravec, F., Chara, J., Shinn, A.P. 2004. Two nematodes, Dentinema trichomycteri n. g., n. sp. (Cosmocercidae) and Procamallanus chimusensis Freitas & Ibanez, 1968 (Camallanidae), from catfishes Trichomycterus spp. (Pisces) in Colombia. Systematic Parasitology 59:189-197.

Dentinema

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:

Copyright © 1999 by Howard Ferris.
Revised: September 08, 2022.

Dentinema

Copyright © 1999 by Howard Ferris. Revised: September 08, 2022.

Copyright © 1999 by Howard Ferris.
Revised: September 08, 2022.