Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Chytridiomycota Doweld (2001)
     Class Rhizophydiomycetes Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
       Order Rhizophydiales Letcher (2006)
         Family Operculomycetaceae Doweld (2014) [monotypic]
           Genus Operculomyces M.J. Powell, Letcher & Longcore (2011) [monotypic]
             1 Operculomyces laminatusᵀ M.J. Powell, Letcher & Longcore