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Diurodrilus

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Genus of annelid worms

Diurodrilus
Scientific classification
Kingdom: Animalia
Superphylum: Lophotrochozoa
Phylum: ?Annelida
Family: Diurodrilidae
Kristensen & Niilonen, 1982
Genus: Diurodrilus
Remane, 1925
Type species
Diurodrilus minimus
Remane, 1925
Species
  • D. minimus Remane, 1925
  • D. ankeli Ax, 1967
  • D. benazzii Gerlach, 1953
  • D. dohrni Gerlach, 1952
  • D. subterraneus Remane, 1934
  • D. westheidei Kristensen & Niilonen, 1982

Diurodrilus is a genus of tiny marine animals that has traditionally been assigned to the annelid worms, although this affinity is not certain. With a maximum length of 0.45 mm, it has an unusual morphology with many traits not found in other annelids, including a ventral creeping foot. Analyses of DNA have both refuted and supported placement within the annelids, with the unusual morphology perhaps due to evolutionary progenesis, in which organisms develop sexual maturity while retaining the larval traits of their ancestors.

The following species are recognised:

References

  1. Kristensen, R. M.; Niilonen, T. (1982). "Structural Studies on Diurodrilus Remane (Diurodrilidae fam.n.), with Description of Diurodrilus westheidei sp.n. From the Arctic Interstitial Meiobenthos, W. Greenland". Zoologica Scripta. 11: 1–12. doi:10.1111/j.1463-6409.1982.tb00514.x. S2CID 84404993.
  2. ^ Katrine Worsaae & Greg W. Rouse; Rouse (2008). "Is Diurodrilus an annelid?". Journal of Morphology. 269 (12): 1426–1455. doi:10.1002/jmor.10686. PMID 18985766. S2CID 43708549.
  3. ^ Golombek, Anja; Tobergte, Sarah; Nesnidal, Maximilian P.; Purschke, Günter; Struck, Torsten H. (2013). "Mitochondrial genomes to the rescue – Diurodrilidae in the myzostomid trap". Molecular Phylogenetics and Evolution. 68 (2): 312–326. doi:10.1016/j.ympev.2013.03.026. PMID 23563272.
  4. Kristian Fauchald & Gérard Bellan (2012). Read G, Fauchald K (eds.). "Diurodrilus Remane, 1925". World Polychaeta Database. World Register of Marine Species. Retrieved September 12, 2012.
Taxon identifiers
Diurodrilus


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