Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Lecanoromycetes O.E. Erikss. & Winka (1997) Subclass Lecanoromycetidae P.M.Kirk, P.F. Cannon, J.C. David & Stalpers ex Miądl., Lutzoni & Lumbsch (2007) Order Teloschistales D.Hawksw. & O.E. Erikss. (1986) 1 Family Brigantieaceae Lücking, Hodkinson & Leavitt (2016), orth. inval. [monotypic] see Family Brigantiaeaceae Hafellner & Bellem. (1982) 2 Family Letrouitiaceae Bellem. & Hafellner (1982) [monotypic] 3 Family Megalosporaceae Vezda ex Hafellner & Bellem. (1982) 4 Family Teloschistaceae Zahlbr. (1898) 5 Genus Malcolmiella Vězda (1997), incertae sedis