Hemiruptia Ottone, 1996 genus accepted

Mamiellophyceae class accepted

Nephroselmidophyceae class accepted

Apiroschadon Loeblich & Tappan, 1976 genus accepted

Dasyhapsis A.R. Loeblich Jr. & E.R. Wicander, 1976 genus accepted

Dasyphapsis A.R. Loeblich Jr. & E.R. Wicander, 1976 genus accepted

Dictyodiscus Playford & Wicander, 1988 genus accepted

Pteroverricatus T.K. Al-Ameri, 1984 genus accepted

Ptilotoscolus A.R. Loeblich Jr. & E.R. Wicander, 1976 genus accepted

Quadratimorpha Xing & Liu, 1973 genus accepted

Saharifusa E.D. Pöthe de Baldis, 1997 genus accepted

Sgrossoella P. de Castro, 1969 genus accepted

Chloropicophyceae A. Lopes dos Santos & W. Eikrem in A. Lopes dos Santos et al., 2017 class accepted

Palmophyllophyceae Leliaert et al., 2016 class accepted

Thrypticosphaera W.A.S. Sarjeant, 1987 genus accepted

Pechengia A.Y. Rozanov & M.M. Astafieva, 2008 genus accepted

Retialetes S.C.D. Sah & S.K. Dutta, 1966 genus accepted

Wendiella Timofeev, 1962 genus accepted

Picocystophyceae W. Eikrem & A. Lopes dos Santos in A. Lopes dos Santos et al., 2017 class accepted

Pyramimonadophyceae Ø. Moestrup & N. Daugbjerg in Daugbjerg et al., 2019 class accepted

Antrosphaera Sarjeant, 1961 genus accepted