
Rhabditia (paraphyletic?) Tylenchia (disputed) Secernentea are the main class of nematodes, characterised by numerous caudal papillae and an excretory system possessing lateral canals. Like all nematodes, they have no circulatory or respiratory system. The Secernentea contain several significant parasitic species among the Rhabditia and Spiruria. ...
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http://en.wikipedia.org/wiki/Secernentea

(from the article `aschelminth`) ...by teeth; amphids a slit or pocket; includes parasites of invertebrates and vertebrates; large glands (stichosomes) associated with ... ...associated with parasitism. Of the two nematode subclasses, the Adenophorea are the most diverse and, except for the Dorylaimida, primarily marine ... [2 relate...
Found on
http://www.britannica.com/eb/a-z/s/54

A subclass of nematodes characterised by numerous caudal papillae and an excretory system possessing lateral canals. ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973
No exact match found.