Placidozoa
# 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
