eukaryotes see Domain Eukaryota Chatton, 1925
   Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
     Subkingdom Sarcomastigota Cavalier-Smith, 1983 [paraphyletic] see [unranked] dorsates Cavalier-Smith, 2021
       Infrakingdom Opizoa Cavalier-Smith, 2021 [paraphyletic]
         Phylum Opisthosporidia Karpov, Aleoshin & Mikhailov, 2014 [sister group to excluded taxa] see Kingdom Fungi R.T.Moore (1980)
           Subphylum Aphelidia Cavalier-Smith, 2021 [monotypic] see Phylum Aphelidiomycota Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018)
             Class Aphelidea Gromov, 2000 [monotypic] see Class Aphelidiomycetes Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018)
               Order Aphelida Cavalier-Smith, 2021, orth. inval. see Order Aphelidida Gromov, 2000