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) Genus Rhynchogastrema B. Metzler & Oberw. (1989)