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Scientific classification
Kingdom: Animalia
Phylum: Nematoda
Class: Secernentea
Subclass: Diplogasteria
Hodda, 2003
Order: Diplogasterida
Maggenti, 1982

Diplogasterida was formerly an order of nematodes. It was sometimes placed in a monotypic subclass Diplogasteria, but molecular phylogenetic evidence has shown it to be embedded in the family Rhabditidae (formerly Rhabditina). The confusion of having a hierarchical nesting of groups that were formerly mutually exclusive has led to a profusion of names. Although completely revised taxonomy of nematodes that builds on recent classification systems[1][2] as well as recent phylogenetic evidence[3][4] is still necessary, most contemporary taxonomic studies now treat all groups listed under "Diplogasterina" below as a single family, Diplogastridae.


Suborder Chambersiellina Hodda 2007
Superfamily Chambersielloidea Thorne 1937
Family Chambersiellidae Thorne 1937 (Sanwal 1957)
Suborder Diplogasterina Paramonov 1952
Superfamily Cylindrocorporoidea T. Goodey 1939
Family Cylindrocorporidae T. Goodey 1939
Family Odontopharyngidae Micoletzky 1922
Superfamily Diplogasteroidea Micoletzky 1922
Family Cephalobiidae Travassos & Kloss 1960a
Family Diplogasteridae Micoletzky 1922
Family Diplogasteroididae Paramonov 1952
Family Neodiplogasteridae Paramonov 1952
Family Pseudodiplogasteroididae De Ley & Blaxter 2002
Family Tylopharyngidae Filipjev 1918
Suborder Myolaimina Inglis 1983
Superfamily Carabonematoidea Stammer & Wachek 1952
Family Carabonematidae Stammer & Wachek 1952
Superfamily Myolaimoidea Goodey 1963
Family Myolaimidae Goodey 1963


  1. ^ De Ley, P.; Blaxter, M. (2002). "Systematic position and phylogeny. In Lee, D.L., Ed.". The Biology of Nematodes. 
  2. ^ Hodda, M. (2007). "Phylum Nematoda". Zootaxa 1668: 265–293. 
  3. ^ ven Megen, H. et al. (2009). "A phylogenetic tree of nematodes based on about 1200 full-length small subunit ribosomal DNA sequences". Nematology 11: 927–950. doi:10.1163/156854109X456862. 
  4. ^ Susoy, V.; Ragsdale, E.J.; Kanzaki, N.; Sommer, R.J. (2015). "Rapid diversification associated with a macroevolutionary pulse of developmental plasticity". eLife 4: e05463. doi:10.7554/eLife.05463. PMID 25650739.