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Adult Caenorhabditis elegans.jpg
Caenorhabditis elegans
Scientific classification e
Kingdom: Animalia
Phylum: Nematoda
Class: Chromadorea
Order: Rhabditida
Chitwood, 1933

The Rhabditida are an order of free-living, zooparasitic and phytoparasitic microbivorous nematodes (roundworms) living in soil.

The Oxyuridae used to be included here, but they rather seem to belong in the Spiruria. The Cephalobidae, Panagrolaimidae, Steinernematidae, and Strongyloididae seem to be closer to the Tylenchia, regardless of whether these are merged with the Rhabditia or not.[1]

Genera include:[verification needed]


  1. ^ Tree of Life Web Project (2002b): Nematoda. Version of 2002-JAN-01. Retrieved 2008-NOV-02.