Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Boletales E.-J. Gilbert (1931)
         Family Calostomataceae E. Fisch. (1900)
           1 Genus Calostoma Desv. (1809)