Abbreviata

Abbreviata	Contents	Rev: 04/15/2025
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Abbreviata Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Physalopteridae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria
Rhabditida: Spirurina
Physalopteroidea
Physalopteridae

Abbreviata (Travassos, 1920) Schulz 1927

Synonyms:

Abreviata Travassos, 1920

Leptosoma Travassos, 1920

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Morphology and Anatomy:

From a descxription of Abbreviata baltazaedi

Cuticle with fine transverse striations.
Body cylindrical, tapering at both ends; maximum width at about mid-body.
Cephalic cuticular collar absent in most of specimens. Cephalic end dome-shaped,
Oral opening dorsoventrally elongate, surrounded by two lateral pseudolabia;
Inner margin of each pseudolabium with row of small pointed denticles (about 20ï¿½30 on each row) and a single large median tooth.
Each pseudolabium with two large cephalic papillae and one median amphid.
Esophagus with anterior short muscular portion and posterior long glandular portion
Nerve ring encircling posterior part of muscular oesophagus; excretory pore situated slightly posterior to junction of muscular and glandular esophagus.
Deirids well developed, finger-like, slightly posterior to nerve ring
Posterior end of body sexually dimorphic

Ref: Gu et al., 2024

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

Males:

Bursa supported by 4 pairs of papillae

Spicules dissimilar, lefts slender and long, right short and robust,

Females:

Vulva with conspicuous protruded labia, at 25% of body lenth
Vagina long and muscular; uteri with four uterine branches

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Distribution:

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Feeding:

Food Sources and Feeding strategies for the genus Abbreviata

Intestinal parasites of lizards and snakes.

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Biology and Ecology:

Parasites of reptiles and mammals with arthropods as intermediate hosts.

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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:

Gu, X.H., Yan, X.F., Li, L. 2024, Further description of the poorly known zooparasitic nematode Abbreviata baltazardi Chabaud, 1953 (Spirurida: Physalopteridae). Systematic Parasitol. 101:52

Morgan, B.B. 1945.The nematode genus Abbreviata (Travassos, 1920) Schulz, 1927. American Midland Naturalist, 34: 485-490