Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Wallemiomycotina Doweld (2014) Class Wallemiomycetes Zalar, de Hoog & Schroers (2005) Order Geminibasidiales H.D.T. Nguyen, N.L. Nick. & Seifert (2013) Family Geminibasidiaceae H.D.T. Nguyen, N.L. Nick. & Seifert (2013) Genus Geminibasidium H.D.T. Nguyen, N.L. Nick. & Seifert (2013)