Rhabditida is an order of free-living, zooparasitic, and phytoparasitic microbivorous nematodes living in soil. The

Cephalobidae Cephalobidae is a family of nematodes belonging to the order Rhabditida. Genera Genera: * '' Acrobeles'' von Linstow, 1877 * '' Acrobeloides'' Cobb, 1924 * ''Scottnema ''Scottnema lindsayae'' is a species of nematode belonging to the family C ...

Panagrolaimidae Panagrolaimidae is a family of nematodes belonging to the order Rhabditida. Genera: * '' Anguilluloides'' Ruhm, 1956 * '' Baldwinema'' Atighi, Pourjam, Bert, Pedram, Ghaemi & Panahandeh, 2016 * '' Baujardia'' Bert, De Ley, Segers, Van Driessche & ...

Steinernematidae The Steinernematidae are a family of nematodes in the order Rhabditida. Nematodes of the genus '' Steinernema'' are obligate insect parasites that inhabit soil. ''Xenorhabdus'' bacteria occupy nematode insecticide and synergistically kill, di ...

, and

Strongyloididae Strongyloididae is a family of nematodes belonging to the order Rhabditida. Genera: * '' Leipernema'' Narayan Singh, 1976 * '' Parastrongyloides'' Morgan, 1928 * ''Strongyloides ''Strongyloides'' (from Greek ''strongylos'', round, + ''eidos'' ...

seem to be closer to the Tylenchia, regardless of whether these are merged with the Rhabditia or not.

Tree of Life Web Project The Tree of Life Web Project is an Internet project providing information about the diversity and phylogeny of life on Earth. This collaborative peer reviewed project began in 1995, and is written by biologists from around the world. The site ...

(2002b)
Nematoda
Version of 2002-JAN-01. Retrieved 2008-NOV-02.

Families

Rhabditida * Myolaimina **''

Incertae sedis ' () or ''problematica'' is a term used for a taxonomic group where its broader relationships are unknown or undefined. Alternatively, such groups are frequently referred to as "enigmatic taxa". In the system of open nomenclature, uncertain ...

'' *** Myolaimoidea **** Myolaimidae * Rhabditina ** Bunonematomorpha *** Bunonematoidea **** Bunonematidae ** Diplogasteromorpha *** Cylindrocorporoidea **** Cylindrocorporidae *** Diplogasteroidea ****

Cephalobiidae Diplogastridae, formerly Diplogasteridae, are a family of nematodes (roundworms) known from a wide range of habitats, often in commensal or parasitic associations with insects. Description Diplogastrid nematodes are characterized by a distinct ...

**** Diplogasteridae **** Diplogasteroididae ** Rhabditomorpha *** Mesorhabditoidea **** Peloderidae *** Rhabditoidea ****

Rhabditidae The Rhabditidae are a family of nematodes which includes the model organism ''Caenorhabditis elegans''. Genera ''Bursilla'' *'' Bursilla monhysteria'' (Butschli, 1873) ''Caenorhabditis'' *''Caenorhabditis brenneri'' Sudhaus & Kiontke, 2007 ...

Spirurina Subclass Spiruria comprises mostly parasitic secernentean nematodes. In an alternate classification, they are treated as suborder Spirurina, with the orders listed here being ranked as infraorders. The Ascaridida and the Oxyurida, which inc ...

Ascaridomorpha The order Ascaridida includes several families of parasitic roundworms with three "lips" on the anterior end. They were formerly placed in the subclass Rhabditia by some, but morphological and DNA sequence data rather unequivocally assign the ...

*** Ascaridoidea ****

Acanthocheilidae Acanthocheilidae is a family of nematodes belonging to the order Rhabditida Rhabditida is an order of free-living, zooparasitic, and phytoparasitic microbivorous nematodes living in soil. The Cephalobidae, Panagrolaimidae, Steinernematid ...

**** Anisakidae ****

Ascarididae The Ascarididae are a family of the large intestinal roundworms. Members of the family are intestinal parasites, infecting all classes of vertebrates. It includes a number of genera,Anderson RC (2000)''Nematode Parasites of Vertebrates. Their D ...

****

Heterocheilidae ''Heterocheila'' is a genus of acalyptrate true flies (Diptera). They are placed in their own family, Heterocheilidae, in the superfamily Sciomyzoidea. They are not widely familiar outside entomological circles, but the common name "half-brid ...

****

Raphidascarididae Raphidascarididae is a family of roundworms (also known as nematodes) in the order Ascaridida. It encompasses nine genera, including ''Hysterothylacium'', which parasitize marine fish, and ''Raphidascaris ''Raphidascaris'' is a genus of nema ...

*** Cosmocercoidea ****

Atractidae Atractidae is a family of nematodes belonging to the order Rhabditida. Genera Genera: * '' Atractis'' Dujardin, 1845 * '' Buckleyatractis'' Khalil & Gibbons, 1988 * '' Cobboldina'' Leiper, 1911 * '' Crossocephalus'' Railliet, 1909 * ''Cyrtosom ...

****

Kathlaniidae Kathlaniidae is a nematode family in the superfamily Cosmoceroidea. References External links Rhabditia Nematode families {{Chromadorea-stub ...

*** Seuratoidea ****

Cucullanidae ''Cucullanidae'' is a family of parasitic nematodes, created by Cobbold in 1864. It includes the following genera:Shamsi, S.; Vanaverbeke, J. (2016). Cucullanidae Cobbold, 1864. In: Guilini, K.; Bezerra, T.N.; Deprez, T.; Fonseca, G.; Holovachov, ...

**** Quimperiidae ** Gnathostomatomorpha *** Gnathostomatoidea ****

Gnathostomatidae Gnathostomatidae is a family of nematodes belonging to the order Spirurida. Genera: * '' Ancyracanthus'' Diesing, 1839 * '' Cheiracanthus'' Diesing, 1839 * '' Echinocephalus'' Molin, 1858 * ''Gnathostoma ''Gnathostoma'' is a genus of parasit ...

** Oxyuridomorpha *** Oxyuroidea **** Pharygnodonidae *** Thelastomatoidea **** Thelastomatidae ** Spiruromorpha *** Acuarioidea ****

Acuariidae Acuariidae is a family of spirurian nematodes. Like all nematodes, they have neither a circulatory nor a respiratory system. They are the only family in superfamily Acuarioidea, and number about 40 genera and 300 species, most of which are parasi ...

*** Camallanoidea ****

Camallanidae Camallanidae is a family of nematodes belonging to the order Camallanida. Genera Genera: * '' Camallanides'' Baylis & Daubney, 1922 * '' Camallanus'' Railliet & Henry, 1915 * '' Malayocamallanus'' Jothy & Fernando, 1971 * '' Neocamallanus'' Chak ...

*** Filarioidea **** Onchocercidae ***

Habronematoidea Habronematoidea is a superfamily of spirurian nematodes in the large order Spirurida. Like all nematodes, they have neither a circulatory nor a respiratory system. Though none of the families placed here are overly diverse, they are quite ...

****

Cystidicolidae Cystidicolidae is a family of spirurian nematodes. It was created by Skrjabin in 1946. All members of the family are parasites of fish. Systematics According to the World Register of Marine Species, the family Cystidicolidae includes the f ...

**** Tetrameridae *** Physalopteroidea ****

Physalopteridae Physalopteridae is a family of spirurian nematodes,Railliet, A. (1893). Traité de Zoologie Médicale et Agricole. Deuxième Édition. Asselin et Houzeau, Paris which belongs to the superfamily Physalopteroidea. Like all nematodes, they have n ...

*** Thelazioidea ****

Rhabdochonidae Rhabdochonidae is a family of nematodes belonging to the order Rhabditida Rhabditida is an order of free-living, zooparasitic, and phytoparasitic microbivorous nematodes living in soil. The Cephalobidae, Panagrolaimidae, Steinernematidae, ...

* Tylenchina ** Cephalobomorpha *** Cephaloboidea ****

** Drilonematomorpha *** Drilonematoidea **** Drilonematidae **** Homungellidae **** Ungellidae ** Panagrolaimomorpha *** Panagrolaimoidea ****

*** Strongyloidoidea **** Alloionematidae ** Tylenchomorpha *** Aphelenchoidea ****

Aphelenchidae Aphelenchidae is a family of nematodes belonging to the order Aphelenchida. Genera Genera: * ''Aphelenchus'' Bastian, 1865 * ''Bursaphelenchus __NOTOC__ ''Bursaphelenchus'' is a genus of nematodes (roundworms) in the order Aphelenchida. Mos ...

****

Aphelenchoididae Aphelenchoididae is a nematode family in the order Aphelenchida. List of genera Subfamily Anomyctinae * Genus '' Anomyctus'' Subfamily Aphelenchoidinae'' * Genus ''Aphelenchoides'' * Genus '' Ficophagus'' * Genus ''Laimaphelenchus'' * Genus ...

*** Criconematoidea **** Criconematidae **** Hemicycliophoridae *** Sphaerularioidea **** Anguinidae ****

Neotylenchidae Neotylenchidae is a family of nematodes belonging to the order Tylenchida. Genera Genera: * '' Abursanema'' Yaghoubi, Pourjam, Pedram, Siddiqi & Atighi, 2014 * '' Anguillonema'' Fuchs, 1938 * ''Boleodorus ''Boleodorus'' is a genus of nematod ...

***

Tylenchoidea Tylenchoidea is a superfamily of roundworms. Its members are either plant parasites or detritivore Detritivores (also known as detrivores, detritophages, detritus feeders, or detritus eaters) are heterotrophs that obtain nutrients by consumin ...

**** Belonolaimidae **** Dolichodoridae ****

Hoplolaimidae Hoplolaimidae is a family of plant pathogenic nematodes. It has two subfamilies, Hoplolaiminae and Rotylenchulinae. Typically hoplolaimids are ecto- or semi endoparasites of higher plants. Subfamilies and genera in Hoplolaimidae Type subfamily ...

****''Incertae sedis'' *****'' Deladenus'' Thorne, 1941 *****''

Paratylenchus ''Paratylenchus'' is a genus of nematodes (round worms). Many of the species in this genus are plant pathogens Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) ...

'' Micoletzky, 1922 *****''

Radopholus ''Radopholus'' is a genus of nematodes belonging to the family Pratylenchidae. The genus has almost cosmopolitan distribution. Species: *''Radopholus arabocoffeae'' *''Radopholus bridgei'' *''Radopholus cavenessi'' *''Radopholus citri'' *' ...

'' Thorne, 1949 *****''

Tylenchorhynchus ''Tylenchorhynchus'' is a genus of nematodes including many species of plant parasites. The classification of stunt nematodes - those including the genus ''Tylenchorhynchus'' - is unstable; many newly discovered species within this genus are reco ...

'' Cobb, 1913 ****

Pratylenchidae Pratylenchidae is a family of plant pathogen Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms th ...

**** Tylenchidae

References

Nematode orders {{rhabditida-stub