Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Lecanoromycetes O.E. Erikss. & Winka (1997)
       Subclass Umbilicariomycetidae Bendiksby, Hestmark & Timdal (2013) [monotypic]
         Order Umbilicariales J.C. Wei & Q.M. Zhou (2007)
           1 Family Elixiaceae Lumbsch (1997)
           2 Family Fuscideaceae Hafellner (1984)
           3 Family Ophioparmaceae R.W. Rogers & Hafellner (1988)
           4 Family Ropalosporaceae Hafellner (1984) [monotypic]
           5 Family Umbilicariaceae Chevall. (1826)