Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Sordariomycetes O.E. Erikss. & Winka (1997) Subclass Hypocreomycetidae O.E. Erikss. & Winka (1997) Order Hypocreales Lindau (1897) Family Ceratostomataceae G.Winter (1885) ?Genus Arxiomyces P.F. Cannon & D.Hawksw. (1983)