Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes Subphylum Agaricomycotina Doweld (2001) Class Agaricomycetes Doweld (2001) Order Hymenochaetales Oberw. (1977) Family Rickenellaceae Vizzini (2010) Genus Cotylidia P.Karst. (1881)