Biology:Plagiopylida

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Short description: Order of single-celled organisms

Plagiopylida
Scientific classification e
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Alveolata
Phylum: Ciliophora
Subphylum: Intramacronucleata
Class: Plagiopylea
Small & Lynn, 1985
Order: Plagiopylida
Jankowski, 1978[1]
Typical families
  • Plagiopylidae
  • Sonderiidae

The plagiopylids are a small order of ciliates, including a few forms common in anaerobic habitats.

The body cilia are dense, and arise from monokinetids with an entirely unique ultrastructure; one or two rows of dikinetids run into the oral cavity, which takes the form of a groove, with a deep tube lined by oral cilia leading to the mouth. The order was introduced by Eugen Small and Denis Lynn in 1985, who treated it as a subclass of Oligohymenophorea. Since then they tend to be treated as an independent class, possibly affiliated with the Colpodea. Class Plagiopylea is divided into two clades:[2] one contains members of the order Plagiopylida (like Plagiopyla frontata and Trimyema compressum) and the second clade contains plagiopylean ciliate associated with denitrifying obligate endosymbiont Candidatus Azoamicus ciliaticola.[3]

References

  1. The Ciliated Protozoa: Characterization, Classification, and Guide to the Literature (3rd ed.). Springer. 2008-06-24. p. 409. ISBN 978-1-4020-8239-9. 
  2. "EukRef-Ciliophora: a manually curated, phylogeny-based database of small subunit rRNA gene sequences of ciliates". Environmental Microbiology 20 (6): 2218–2230. June 2018. doi:10.1111/1462-2920.14264. PMID 29727060. http://ir.yic.ac.cn/handle/133337/24501. 
  3. "Anaerobic endosymbiont generates energy for ciliate host by denitrification". Nature 591 (7850): 445–450. March 2021. doi:10.1038/s41586-021-03297-6. PMID 33658719. 

Further reading

Wikidata ☰ {{{from}}} entry