胞管肾纲（学名：Secernentea）是线虫动物门之下的一个重要的纲。

胞管肾纲之下的纲目计有：

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. These are also called as phasmidians as they have the phasmids which are the posterior glandulo sensory and excretory structure.