Editing Centrohelid (section)

=== Classification ===
The modern classification of centrohelids, as of 2019:<ref name="Yogsothothidae"/><ref name="Adl 2019" />
* '''Centroplasthelida''' {{au|Febvre‐Chevalier & Febvre 1984}} [=Centrohelea {{au|Kühn 1926 sensu Cavalier‐Smith in Yabuki et al. 2012}}; Centroheliozoa {{au|Dürrschmidt & Patterson 1987}}]
** [[Pterocystida]] {{au|Cavalier‐Smith and von der Heyden 2007, emend. Shɨshkin and Zlatogursky 2018}}
*** [[Raphidista]] {{au|Shɨshkin & Zlatogursky 2018}}
**** [[Choanocystidae]] <small>Cavalier-Smith & von der Heyden 2007</small>
***** ''[[Choanocystis]]'' <small>Penard 1904 non Cognetti 1918</small>
**** [[Raphidiophryidae]] <small>Mikrjukov 1996 emend. Cavalier-Smith & von der Heyden 2007</small>
***** ''[[Raphidiophrys]]'' <small>Archer 1867</small> [''Raphidiaphrys'' (sic) Greeff 1869]
*** [[Pterista]] {{au|Shɨshkin & Zlatogursky 2018}}
**** [[Oxnerellidae]] <small>Cavalier-Smith & Chao 2012</small>
***** ''[[Oxnerella]]'' <small>Dobell 1917</small>
**** [[Pterocystidae]] <small>Cavalier-Smith & von der Heyden 2007</small>
***** ''[[Chlamydaster]]'' <small>Rainer 1968</small>
***** ''[[Pseudoraphidocystis]]'' <small>Mikrjukov 1997</small> [''Pseudoraphidiocystis'' (sic)]
***** ''[[Pseudoraphidiophrys]]'' <small>Mikrjukov 1997</small>
***** ''[[Pterocystis]]'' <small>Siemensma & Roijackers 1988 non Lohmann 1904</small>
***** ''[[Raineriophrys]]'' <small>Mikrjukov 2001</small> [''Rainierophrys'' (sic); ''[[Raineria]]'' <small>Mikrjukov 1999 non Osswald 1928 non de Notaris 1838</small>; ''[[Echinocystis]]'' <small>Mikrjukov1997 non Haeckel 1896 non Bhatia & Chatterjee 1925 non Torrey & Gray 1840 non Gregory 1897</small>]
**** [[Heterophryidae]] <small>Poche 1913</small>
***** ''[[Heterophrys]]'' <small>Archer 1869</small>
***** ''[[Parasphaerastrum]]'' <small>Mikrjukov 1996</small>
***** ''[[Sphaerastrum]]'' <small>Greeff 1873</small>
** [[Panacanthocystida]] {{au|Shɨshkin & Zlatogursky 2018}}
*** [[Chthonida]] {{au|Shɨshkin & Zlatogursky 2018}}
**** [[Yogsothothina]] {{au|Shɨshkin & Zlatogursky 2018}}
***** [[Yogsothothidae]] {{au|Shɨshkin & Zlatogursky 2018}}
****** ''[[Yogsothoth (protist)|Yogsothoth]]'' {{au|Shɨshkin & Zlatogursky 2018}}
*** [[Acanthocystida]] <small>Cavalier-Smith 2011</small>
**** [[Marophryina]] <small>Cavalier-Smith 2011</small>
***** [[Marophryidae]] <small>Cavalier-Smith & von der Heyden 2007</small>
****** ''[[Marophrys]]'' {{au|Cavalier-Smith & von der Heyden 2007}}
**** [[Chalarothoracina]] <small>Hertwig & Lesser 1874 stat n. Cavalier-Smith 2011</small>
***** [[Raphidocystidae]] {{au|Zlatogursky in Zlatogursky et al., 2018}}
****** ''[[Raphidocystis]]'' <small>Penard 1904</small> [''Raphidiocystis'' (sic) Doflein 1928 ; ''Rhaphidocystis'' (sic)]
***** [[Acanthocystidae]] <small>Claus 1874 emend. Cavalier-Smith & von der Heyden 2007</small>
****** ''[[Acanthocystis]]'' <small>Carter 1863 non Kuehner 1926 non Bather 1889 non Haeckel 1896 nomen nudum</small>
** Incertae sedis Centroplasthelida:
*** ''[[Parasphaerastrum]]'' <small>Mikrjukov 1996</small>
*** ''[[Heteroraphidiophrys]]'' <small>Mikrjukov & Patterson 2000</small>{{efn|''Heteroraphidiophrys'', mentioned by Mikrjukov in 2002, was never formally introduced and needs to be avoided; the organism designated needs to be re‐isolated, carefully studied and provided with formal description.<ref name="Adl 2019" />}}
*** [[Spiculophryidae]] {{au|Shɨshkin & Zlatogursky 2018}}
**** ''[[Spiculophrys]]'' <small>Zlatogursky 2015</small>