Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Blastocladiomycota T.Y. James (2007)
     Class Physodermatomycetes Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
       1 Order Physodermatales Caval.-Sm. (2012) [monotypic]