Division Opisthokonta Cavalier-Smith, 1987 see Clade Opisthokonta Cavalier-Smith 1987, nom. cl. inval.
   Superkingdom Holomycota Liu, Steenkamp, Brinkmann, Forget, Philippe & Lang, 2009
     Kingdom Fungi R.T.Moore (1980) - fungi
       Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
         Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
           Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
             Class Collemopsidiomycetes Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
               Order Collemopsidiales Pérez-Ort., Garrido-Ben. & Grube (2016)