Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
       Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
         Class Lecanoromycetes O.E. Erikss. & Winka (1997)
           Subclass Ostropomycetidae V. Reeb, Lutzoni & Cl.Roux (2004)
             Order Agyriales Clem. & Shear (1931) see Order Pertusariales M. Choisy ex D.Hawksw. & O.E. Erikss. (1986)
               1 Genus Agyrium Fr. (1822), nom. sanct.
               2 Genus Placopsis (Nyl.) Linds. (1866)
               3 Genus Trapelia M. Choisy (1929), nom. cons.
               4 Genus Trapeliopsis Hertel & Gotth. Schneid. (1980)