Rhabditida

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Rhabditida
Caenorhabditis elegans

Caenorhabditis elegans

Systematics
without rank: Primordial mouths (protostomia)
Over trunk : Molting animals (Ecdysozoa)
Trunk : Roundworms (Nematoda)
Class : Secernentea
Subclass : Rhabditia
Order : Rhabditida
Scientific name
Rhabditida
Chitwood , 1933

The Rhabditida are an order of roundworms . It was named after the species-rich genus Rhabditis . They are mostly free-living saprobionts , some with free-living and parasitic phases.

features

Rhabditida are small, transparent, meromyarian worms (with a maximum of 4 muscle cells per quadrant). Most species are between 0.3 and 3 mm in length. Rhabditoid esophagus with corpus (often with a pseudo-bulb (metacorpus)), isthmus and usually a posterior end bulb with valve apparatus. Excretion system with lateral canals, end opening cuticularized. Mouth with up to six lips. The females are oviparous or viviparous and can be parthenogenic or hermaphroditic . Male with fine rays in the caudal wing (Caudal-Alae).

Individual evidence

  1. ↑ a b Rhabditida - Lexicon of Biology . ( Spektrum.de [accessed on November 24, 2016]).
  2. ↑ a b c d J. D. Smyth, Derek Wakelin: Introduction to Animal Parasitology. Cambridge University Press, 1994, ISBN 978-0521428118 , p. 369.
  3. ^ ZX Chen, SY Chen, Donald Ward Dickson: Nematology: Advances and Perspectives. CABI, 2004, ISBN 978-0851996455 , p. 16.
  4. ↑ NEMAPLEX (The Nematode-Plant Expert Information System): Order Rhabditida ( Online )

Web links

Commons : Rhabditida  - collection of images, videos and audio files