Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Pezizomycetes O.E. Erikss. & Winka (1997) [monotypic]
       Order Pezizales J.Schröt. (1894)
         Family Discinaceae Benedix (1961)
           1 Genus Discina (Fr.) Fr. (1849)
           2 Genus Gymnohydnotrya B.C. Zhang & Minter (1989)
           3 Genus Gyromitra Fr. (1849), nom. cons.
           4 Genus Hydnotrya Berk. & Broome (1846)
           5 Genus Pseudorhizina Jacz. (1913)