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Placidozoa
	Opalina ranarum, a species of placidozoan
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Clade:	SAR
Clade:	Stramenopiles
Phylum:	Bigyra
Subphylum:	Opalozoa
Infraphylum:	Placidozoa; Cavalier-Smith 2013
Classes
	"Wobblata" Placididea; Nanomonadea; Opalomonadea; ; Opalinata Opalinea; Blastocystea; ;

Placidozoa is a recently defined non-photosynthetic lineage of Stramenopiles.^[1]^[2]

Phylogeny

In 2016, Philippe Silar presented the following phylogeny for the Placidozoa:^[3]

Placidozoa

	Blastocystea

	Opalinea

Taxonomy

Infraphylum Placidozoa Cavalier-Smith 2013

Superclass Wobblata Cavalier-Smith 2006 stat. n. 2013 (paraphyletic)
- Class Placididea Moriya, Nakayama & Inouye 2002
  - Order Placidida Moriya, Nakayama & Inouye 2002 [Placidae Cavalier-Smith 2006]
    - Family Placidiaceae Moriya, Nakayama & Inouye 2002
      - Genus Pendulomonas Tong 1997
      - Genus Placidia Moriya, Nakayama & Inouye 2002
      - Genus Wobblia Moriya, Nakayama & Inouye 2000
      - Genus Allegra Rybarski et al. 2015
- Class Nanomonadea Cavalier-Smith 2013
  - Order Uniciliatida Cavalier-Smith 2013
    - Family Solenicolidae Cavalier- Smith 2013
      - Genus Solenicola Pavillard 1916
    - Family Incisomonadidae Cavalier-Smith & Scoble 2013
      - Genus Incisomonas Scoble & Cavalier-Smith 2013
- Class Opalomonadea Cavalier-Smith 2013
  - Genus Barthelona Bernard, Simpson & Patterson 2000
  - Genus Quasibodo Bernard, Simpson & Patterson 2000
Superclass Opalinata Wenyon 1926 emend. Cavalier-Smith 1996 stat. n. 2006
- Class Blastocystea Zierdt et al. 1967 [Blastocysta Zierdt 1978; Blastocystina Zierdt 1978]
  - Order Blastocystida Zierdt 1978
    - Family Blastocystidae Jiang & He 1988 non Jaekel 1918
      - Genus Blastocystis Alexeev 1911 non Jaekel 1918
- Class Opalinea Wenyon 1926 stat. n. Cavalier-Smith 1993 emend. Cavalier-Smith 2013
  - Order Proteromonadida Grassé 1952 emend. Cavalier-Smith 1993 [Proteromonadea Caval.-Sm. 1997]
    - Family Proteromonadidae Grassé 1952
      - Genus Proteromonas Kunstler 1883 [Prowazekella Alexeieff 1912]
  - Order Opalinida Poche 1913 stat. n. Hall 1953 emend. Cavalier-Smith
    - Family Karotomorphidae Travis 1934 [Karotomorphida Cavalier-Smith 1993]
      - Genus Karotomorpha Travis 1934 [Tetramastix Alexeieff 1916 non Zacharias 1898]
    - Family Opalinidae Claus 1874
      - Genus Bezzenbergia Earl 1973
      - Genus Hegneriella Earl 1971
      - Genus Cepedea Metcalf 1920
      - Genus Opalina Purkinje & Valentin 1835
      - Genus Protozelleriella Delvinquier, Markus & Passmore 1991
      - Genus Zelleriella Metcalf 1920
      - Genus Protoopalina Metcalf 1918

References

^ ^a ^b Cavalier-Smith, Thomas; Scoble, Josephine Margaret (2013). "Phylogeny of Heterokonta: Incisomonas marina, a uniciliate gliding opalozoan related to Solenicola (Nanomonadea), and evidence that Actinophryida evolved from raphidophytes". European Journal of Protistology. 49 (3): 328–353. doi:10.1016/j.ejop.2012.09.002. PMID 23219323.
^ Ruggiero, Michael A.; et al. (2015), "Higher Level Classification of All Living Organisms", PLOS ONE, 10 (4): e0119248, Bibcode:2015PLoSO..1019248R, doi:10.1371/journal.pone.0119248, PMC 4418965, PMID 25923521
^ Silar, Philippe (2016). "Protistes Eucaryotes: Origine, Evolution et Biologie des Microbes Eucaryotes". HAL Archives-ouvertes: 1–462.

External links

[Incisomonas-1] Cavalier-Smith, Thomas; Scoble, Josephine Margaret (2013). "Phylogeny of Heterokonta: Incisomonas marina, a uniciliate gliding opalozoan related to Solenicola (Nanomonadea), and evidence that Actinophryida evolved from raphidophytes". European Journal of Protistology. 49 (3): 328–353. doi:10.1016/j.ejop.2012.09.002. PMID 23219323.

[2] Ruggiero, Michael A.; et al. (2015), "Higher Level Classification of All Living Organisms", PLOS ONE, 10 (4): e0119248, Bibcode:2015PLoSO..1019248R, doi:10.1371/journal.pone.0119248, PMC 4418965, PMID 25923521

[3] Silar, Philippe (2016). "Protistes Eucaryotes: Origine, Evolution et Biologie des Microbes Eucaryotes". HAL Archives-ouvertes: 1–462.

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