Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Sordariomycetes O.E. Erikss. & Winka (1997) Order Amplistromatales M.J. D'souza, Maharachch. & K.D.Hyde (2015), incertae sedis Family Amplistromataceae Huhndorf, A.N. Mill., Greif & Samuels (2009) 1 Genus Acidothrix Hujslová & M. Kolařík (2014) 2 Genus Amplistroma Huhndorf, A.N. Mill., Greif & Samuels (2009) 3 Genus Wallrothiella Sacc. (1882)