Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Arthoniomycetes O.E. Erikss. & Winka (1997) Order Arthoniales Henssen ex D.Hawksw. & O.E. Erikss. (1986) Family Andreiomycetaceae B.P. Hodk. & Lendemer (2013) [monotypic] Genus Andreiomyces B.P. Hodk. & Lendemer (2013)