Placidozoa

Placidozoa is a recently defined non-photosynthetic lineage of Stramenopiles.

Phylogeny
In 2016, Philippe Silar presented the following phylogeny for the Placidozoa:

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