Placidozoa

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 [1]
Classes
Nanomonadea Placididea Opalomonadea Opalinata Opalinea Blastocystea

Placidozoa is a recently defined non-photosynthetic infraphylum-level lineage of Stramenopiles. ^{[1] [2] [3]}

Phylogeny

In 2016, Philippe Silar presented the following phylogeny for the Placidozoa: ^[4]

Placidozoa	Placididea Nanomonadea Opalomonadea Opalinata Blastocystea Opalinea

Taxonomy

• Infraphylum PlacidozoaCavalier-Smith 2013
  • 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

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. Cavalier-Smith, Thomas (2018-01-01). "Kingdom Chromista and its eight phyla: a new synthesis emphasising periplastid protein targeting, cytoskeletal and periplastid evolution, and ancient divergences". Protoplasma. 255 (1): 297–357. doi:10.1007/s00709-017-1147-3. ISSN   1615-6102. PMC   5756292 . PMID   28875267.
4. Silar, Philippe (2016). "Protistes Eucaryotes: Origine, Evolution et Biologie des Microbes Eucaryotes". HAL Archives-ouvertes: 1–462.