Placidozoa is a recently defined non- photosynthetic lineage of

Heterokont Heterokonts are a group of protists (formally referred to as Heterokonta, Heterokontae or Heterokontophyta). The group is a major line of eukaryotes. Most are algae, ranging from the giant multicellular kelp to the unicellular diatoms, which a ...

Phylogeny

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 lacidae Cavalier-Smith 2006**** Family Placidiaceae Moriya, Nakayama & Inouye 2002 ***** Genus '' Pendulomonas'' Tong 1997 ***** Genus ''

Placidia Placidia () was a daughter of Valentinian III, Roman emperor of the West from 425 to 455, and from 454/455 the wife of Olybrius, who became western Roman emperor in 472. She was one of the last imperial spouses in the Roman west, during the Fall ...

'' 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 ''Solenicola setigera'' is a species of marine stramenopile, and the only species classified within the genus ''Solenicola''. The species ranges between 4–7 µm in diameter and has a complex feeding strategy. Its ecological role within th ...

'' Pavillard 1916 **** Family Incisomonadidae Cavalier-Smith & Scoble 2013 ***** Genus '' Incisomonas'' Scoble & Cavalier-Smith 2013 ** Class

Opalomonadea Opalomonadea is a class of biciliate phagotrophic opalozoans with an anterior hairy cilium, often from anaerobic Anaerobic means "living, active, occurring, or existing in the absence of free oxygen", as opposed to aerobic which means "living, ...

Cavalier-Smith 2013 *** Genus '' Barthelona'' Bernard, Simpson & Patterson 2000 *** Genus '' Quasibodo'' Bernard, Simpson & Patterson 2000 * Superclass

Opalinata Opalinata is a superclass of non- phagotrophic heterokonts that unites the classes Opalinea and Blastocystea, and is the sister group to Opalomonadea. Description When Opalinata was first erected as a taxon in 1926, it was placed as the sole c ...

Wenyon 1926 emend. Cavalier-Smith 1996 stat. n. 2006 ** Class

Blastocystea ''Blastocystis'' is a genus of single-celled heterokont parasites belonging to a group of organisms that are known as the Stramenopiles (also called Heterokonts) that includes algae, diatoms, and water molds. Blastocystis consists of several ...

Zierdt et al. 1967 lastocysta 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 The opalines are a small group of peculiar heterokonts, currently assigned to the family Opalinidae, in the order Slopalinida. Their name is derived from the opalescent appearance of these microscopic organisms when illuminated with full sunli ...

Wenyon 1926 stat. n. Cavalier-Smith 1993 emend. Cavalier-Smith 2013 *** Order Proteromonadida Grassé 1952 emend. Cavalier-Smith 1993 roteromonadea Caval.-Sm. 1997**** Family Proteromonadidae Grassé 1952 ***** Genus '' Proteromonas'' Kunstler 1883 'Prowazekella''_Alexeieff_1912.html" ;"title="Prowazekella.html" ;"title="' 'Prowazekella''_Alexeieff_1912">Prowazekella.html"_;"title="'Prowazekella">'Prowazekella''_Alexeieff_1912 ***_Order_Opalinida.html" ;"title="Prowazekella">'Prowazekella'' Alexeieff 1912">Prowazekella.html" ;"title="'Prowazekella">'Prowazekella'' Alexeieff 1912 *** Order Opalinida">Prowazekella">'Prowazekella'' Alexeieff 1912">Prowazekella.html" ;"title="'Prowazekella">'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 ''Cepedea'' is a genus of heterokont Heterokonts are a group of protists (formally referred to as Heterokonta, Heterokontae or Heterokontophyta). The group is a major line of eukaryotes. Most are algae, ranging from the giant multicellular ...

'' Metcalf 1920 ***** Genus '' Opalina'' Purkinje & Valentin 1835 ***** Genus '' Protozelleriella'' Delvinquier, Markus & Passmore 1991 ***** Genus '' Zelleriella'' Metcalf 1920 ***** Genus '' Protoopalina'' Metcalf 1918

References

External links

{{Taxonbar, from=Q26816887 SAR supergroup phyla