Secernentea
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Secernentea".

Secernentea
Caenorhabditis elegans
Scientific classification
Kingdom: Animalia Phylum: Nematoda Class: Secernentea
Subclasses
see text

Secernentea are a class of nematodes characterised by numerous caudal papillae and an excretory system possessing lateral canals. They have no circulatory or respiratory system.

Systematics

Subclasses and orders of Secernentea are:

Subclass Rhabditia

• Rhabditida
• Strongylida

Subclass Spiruria

• Ascaridida - sometimes placed in Rhabditia
• Camallanida - sometimes included in Spirurida
• Drilonematida - sometimes included in Spirurida
• Spirurida

Subclass Diplogasteria

• Diplogasterida

Subclass Tylenchia

• Aphelenchida
• Rhigonematida
• Tylenchida

Order incertae sedis

• Rhabdiasida

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Secernentea

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