Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Boletales E.-J. Gilbert (1931)
         Family Paxillaceae Lotsy (1907)
           Genus Paxillus Fr. (1836)