Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Cycloneuralia
Cladus: Nematoida
Phylum: Nematoda
Classis: Chromadorea
Ordo: Rhabditida
Subordo: Rhabditina
Infraordo: Diplogasteromorpha
Familia: Diplogasteridae
Genera: Acrostichus – Allodiplogaster – Anchidiplogaster – Butlerius – Cutidiplogaster – Demaniella – Diplogaster – Diplogasterellus – Diplogasteriana – Diplogasteritus – Diplogasteroides – Fictor – Goffartia – Hemidiplogaster – Hugotdiplogaster – Koernaria – Mesodiplogaster – Metadiplogaster – Micoletzkya – Mononchoides – Neodiplogaster – Parapristionchus – Paroigolaimella – Pristionchus – Prosodontus – Rhabditolaimus – Rhabdontolaimus – Sachsia – Syedella – Tawdenema – Tylolaimophorus – Tylopharynx
Name
Diplogasteridae Micoletzky 1922
Synonyms
Diplogastridae
References
Template:Micoletzky 1922
ZooBank
Ghaderi, R., Asghari, R. & Eskandari, A. 2020. Systematics of the genus Tylolaimophorus de Man, 1880 (Nematoda: Diphtherophoridae), with description of T. minor (Thorne, 1939) Goodey, 1963 from Iran. Zootaxa 4755(2): 322–340. DOI: 10.11646/zootaxa.4755.2.7 Paywall Reference page.
Gusakov, V.A. & Gagarin, V.G. 2016. Two new species of nematodes (Nematoda) from highly mineralized rivers of Lake El'ton basin, Russia. Zootaxa 4161(2): 261–270. DOI: 10.11646/zootaxa.4161.2.8. Reference page.
Kanzaki, N., Ragsdale, E.J. & Giblin-Davis, R. 2014. Revision of the paraphyletic genus Koerneria Meyl, 1960 and resurrection of two other genera of Diplogastridae (Nematoda). ZooKeys 442: 17–30. DOI: 10.3897/zookeys.442.7459 Open access. Reference page.
Lieven, A.F. von et al. 2011: Cutidiplogaster manati n. gen., n. sp. (Nematoda: Diplogastridae) from skin lesions of a West Indian manatee (Sirenia) from the Okinawa Churaumi Aquarium. Nematology, 13(1): 51–59. DOI: 10.1163/138855410X500082
Tahseen, Q., Ahlawat, S., Asif, M. & Mustaqim, M. 2016. Description of a new species of Acrostichus Rahm 1928 (Nematoda: Diplogastridae) from India with a note on its position and relationship with the congeners. Biodiversity Data Journal 4: e8029. DOI: 10.3897/BDJ.4.e8029. Reference page.
Tahseen, Q. & Mustaqim, M. 2015. A taxonomic review of the genus Goffartia Hirschmann, 1952 (Rhabditida: Diplogastridae) with a note on the relationship of congeners. Zootaxa 4034(1): 70–86. DOI: 10.11646/zootaxa.4034.1.3. Preview (PDF) Reference page.
Diplogastridae, formerly Diplogasteridae, are a family of nematodes (roundworms) known from a wide range of habitats, often in commensal or parasitic associations with insects.[1]
Description
Diplogastrid nematodes are characterized by a distinct "two-lobed" pharynx (hence their name from the Greek διπλόος = "double" and γαστήρ = "stomach"), the second (posterior) lobe being composed mostly of glandular tissue. Most known species also have at least one tooth, which has presumably allowed them to access many new food sources compared with the related nematodes of Rhabditidae (including Caenorhabditis elegans), most species of which feed on bacteria. Several diplogastrid species also have a polyphenism in their mouthparts, allowing resource specialization within species. The wide array of feeding modes in the Diplogastridae is reflected by the relatively high diversity and complexity of their mouth structures, which show accelerated rates of evolution in comparison with the Rhabditidae.[2]
While Sudhaus and Lieven[3] sunk many generic names in their lumping approach of a revision, the Hungarian nematologist Istvan Andrassy was a "splitter", erecting and re-erecting many nematode taxa.[4] The truth might be somewhere in between, as the approaches by Ragsdale and others have shown in recent years.[5]
Among the Diplogastridae is the nematode Pristionchus pacificus, a model organism for comparative developmental biology.
Formicodiplogaster myrmenema dauer juvenile in Dominican amber
Genera
Acrostichus
Allodiplogaster
Anchidiplogaster
Butlerius
Cephalobium
Cutidiplogaster
Demaniella
Diplogaster
Diplogasteriana
Diplogasteroides
Diplogastrellus
Fictor
†Formicodiplogaster (Fossil, Dominican Amber[6])
Goffartia
Heteropleuronema
Hugotdiplogaster
Koerneria
Leptojacobus
Levipalatum
Longibucca
Mehdinema
Micoletzkya
Mononchoides
Oigolaimella
Onthodiplogaster
Neodiplogaster
Parapristionchus
Parasitodiplogaster
Paroigolaimella
Pristionchus
Pseudodiplogasteroides
Rhabditidoides
Rhabditolaimus
Sachsia
Sudhausia
Teratodiplogaster
Tylopharynx
References
Sudhaus, W.; Fürst von Lieven, A. (2003). "A phylogenetic classification and catalogue of the Diplogastridae (Secernentea, Nematoda)". Journal of Nematode Morphology and Systematics. 6: 43–90.
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. PMC 4357287. PMID 25650739.
Sudhaus, W.; Fürst von Lieven, A. (2003). "A phylogenetic classification and catalogue of the Diplogastridae (Secernentea, Nematoda)". Journal of Nematode Morphology and Systematics. 6: 43–90.
Andrassy I (2005). "free-living nematodes of Hungary (Nematoda, Errantia) Vol 1". Pedozoologica Hungarica Nr.3.
Kanzaki N, Ragsdale EJ, Giblin-Davis RM (2014). "Revision of the paraphyletic genus Koerneria Meyl, 1960 and resurrection of two other genera of Diplogastridae (Nematoda)". ZooKeys (442): 17–30. doi:10.3897/zookeys.442.7459. PMC 4205494. PMID 25349487.
Poinar, G.O. (2011). "The Evolutionary History of Nematodes: As Revealed in Stone, Amber and Mummies". Nematology Monographs and Perspectives Pages. 9: 91–93, 239–240, 324–325.
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