Secernentea | included as
Sunday, May 25th, 2008Secernentea 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