Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
       Subphylum Agaricomycotina Doweld (2001)
         Class Agaricomycetes Doweld (2001)
           Subclass Phallomycetidae Locq. ex K. Hosaka, Castellano & Spatafora (2007)
             Order Phallales E. Fisch. (1898)
               Genus Claustula K.M. Curtis (1926)