Aphasmidia

Adenophorea or Aphasmidia was a class of

nematode The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant-Parasitism, parasitic nematodes also known as eelworms. They are a diverse animal phylum inhab ...

s (roundworms). It has been by and large abandoned by modern

taxonomy Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...

, because there is strong evidence for it being a motley

paraphyletic In taxonomy (general), taxonomy, a group is paraphyletic if it consists of the group's most recent common ancestor, last common ancestor and most of its descendants, excluding a few Monophyly, monophyletic subgroups. The group is said to be pa ...

group of unrelated lineages of roundworms.ToL (2002) Characteristics supposed to distinguish Adenophorea are: * amphids always post-labial, shape, pore-like to elaborate * deirids are not seen * phasmids are generally absent * hypodermal glands present (excretory?)

uninucleate {{Short pages monitor