{{Short description|Order of roundworms}} {{technical|date=July 2014}} {{Automatic taxobox | image = Adult Caenorhabditis elegans.jpg | image_alt = "Caenorhabditis elegans" | image_caption = ''Caenorhabditis elegans'' | taxon = Rhabditida | authority = Chitwood, 1933 | synonyms = | synonyms_ref = | subdivision_ranks = Suborders | subdivision = *Myolaimina *Rhabditina *Spirurina *Tylenchina }}
'''Rhabditida''' is an order of different nematodes that can be found as free-living organisms, parasites, or microbivores living in soil.
The Cephalobidae, Panagrolaimidae, Steinernematidae, and Strongyloididae seem to be closer to the Tylenchia, regardless of whether these are merged with the Rhabditia or not.<ref>Tree of Life Web Project (2002b): [http://tolweb.org/Nematoda/2472/2002.01.01 Nematoda]. Version of 2002-JAN-01. Retrieved 2008-NOV-02.</ref>
==Families== '''Rhabditida''' *Myolaimina **''Incertae sedis'' ***Myolaimoidea ****Myolaimidae *Rhabditina **Bunonematomorpha ***Bunonematoidea ****Bunonematidae ****Pterygorhabditidae **Diplogasteromorpha ***Cylindrocorporoidea ****Cylindrocorporidae ***Diplogasteroidea ****Cephalobiidae ****Diplogasteridae ****Diplogasteroididae **Rhabditomorpha ***Mesorhabditoidea ****Peloderidae ***Rhabditoidea ****Rhabditidae *Spirurina **Ascaridomorpha ***Ascaridoidea ****Acanthocheilidae ****Anisakidae ****Ascarididae ****Heterocheilidae ****Raphidascarididae ***Cosmocercoidea ****Atractidae ****Kathlaniidae ***Seuratoidea ****Cucullanidae ****Quimperiidae **Gnathostomatomorpha ***Gnathostomatoidea ****Gnathostomatidae **Oxyuridomorpha ***Oxyuroidea ****Pharygnodonidae ***Thelastomatoidea ****Thelastomatidae **Spiruromorpha ***Acuarioidea ****Acuariidae ***Camallanoidea ****Camallanidae ***Filarioidea ****Onchocercidae ***Habronematoidea ****Cystidicolidae ****Tetrameridae ***Physalopteroidea ****Physalopteridae ***Thelazioidea ****Rhabdochonidae *Tylenchina **Cephalobomorpha ***Cephaloboidea ****Cephalobidae **Drilonematomorpha ***Drilonematoidea ****Drilonematidae ****Homungellidae ****Ungellidae **Panagrolaimomorpha ***Panagrolaimoidea ****Panagrolaimidae ***Strongyloidoidea ****Alloionematidae **Tylenchomorpha ***Aphelenchoidea ****Aphelenchidae ****Aphelenchoididae ***Criconematoidea ****Criconematidae ****Hemicycliophoridae ***Sphaerularioidea ****Anguinidae ****Neotylenchidae ***Tylenchoidea ****Belonolaimidae ****Dolichodoridae ****Hoplolaimidae ****''Incertae sedis'' *****''Deladenus'' <small>Thorne, 1941</small> *****''Paratylenchus'' <small>Micoletzky, 1922</small> *****''Radopholus'' <small>Thorne, 1949</small> *****''Tylenchorhynchus'' <small>Cobb, 1913</small> ****Pratylenchidae ****Tylenchidae
==References== {{Commons category}} {{Wikispecies}} {{Reflist}}
{{Helminthiases}} {{Taxonbar|from=Q17164}} {{Authority control}}
Category:Rhabditida Category:Nematode orders
{{rhabditida-stub}}