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)
           Family Umbilicariaceae Chevall. (1826)
             1 Genus Fulgidea Bendiksby & Timdal (2013)
             2 Genus Lasallia Mérat (1821)
             3 Genus Umbilicaria Hoffm. (1789), nom. cons.
             4 Genus Xylopsora Bendiksby & Timdal (2013)