Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Caulochytriomycota Doweld (2014) [monotypic]
   1 Phylum Rozellomycota Doweld (2013)
   2.1 Phylum Aphelidiomycota Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
   2.2.1 Phylum Blastocladiomycota T.Y. James (2007)
   2.2.2.1 Phylum Neocallimastigomycota M.J. Powell (2007) [monotypic]
   2.2.2.2.1 Phylum Monoblepharomycota Doweld (2001)
   2.2.2.2.2.1 Phylum Chytridiomycota Doweld (2001)
   2.2.2.2.2.2.1 Phylum Basidiobolomycota Doweld (2001) [monotypic]
   2.2.2.2.2.2.2.1 Phylum Olpidiomycota Doweld (2013) [monotypic]
   2.2.2.2.2.2.2.2.1 Phylum Entomophthoromycota Humber (2012) [monotypic]
   2.2.2.2.2.2.2.2.2.1 Phylum Zoopagomycota Gryganskyi, M.E. Sm., Spatafora & Stajich (2016)
   2.2.2.2.2.2.2.2.2.2.1 Phylum Kickxellomycota Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018)
   2.2.2.2.2.2.2.2.2.2.2.1 Phylum Mortierellomycota Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
   2.2.2.2.2.2.2.2.2.2.2.2.1 Phylum Calcarisporiellomycota Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
   2.2.2.2.2.2.2.2.2.2.2.2.2.1 Phylum Mucoromycota Doweld (2001)
   2.2.2.2.2.2.2.2.2.2.2.2.2.2 Phylum Glomeromycota C. Walker & A. Schüssler (2001) - arbuscular mycorrhizal fungi