Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Order Meliolales Gäum. ex D.Hawksw. & O.E. Erikss. (1986)
         Family Meliolaceae G.W. Martin ex Hansf. (1946)
           ?Genus Hypasteridium Speg. (1921), nom. dub.