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 Ostropales Nannf. (1932) Family Graphidaceae Dumort. (1822) Genus Aggregatorygma M.Cáceres, Aptroot & Lücking (2014)