Secernentea
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| Secernentea | ||||||
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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.
[edit] Systematics
Subclasses and orders of Secernentea are:
Subclass Rhabditia
Subclass Spiruria
- Ascaridida - sometimes placed in Rhabditia
- Camallanida - sometimes included in Spirurida
- Drilonematida - sometimes included in Spirurida
- Spirurida
Subclass Diplogasteria
Subclass Tylenchia
- Aphelenchida
- Rhigonematida
- Tylenchida
Order incertae sedis
- Rhabdiasida
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