Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Tremellomycetes Doweld (2001)
       Order Tremellales Fr. (1821)
         Family Rhynchogastremaceae Oberw. & B. Metzler (1989)
           1 Genus Papiliotrema J.P. Samp., M. Weiss & R. Bauer (2002)
           2 Genus Rhynchogastrema B. Metzler & Oberw. (1989)
           3 Genus Tetragoniomyces Oberw. & Bandoni (1981)