Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Sordariomycetes O.E. Erikss. & Winka (1997) Subclass Savoryellomycetidae Hongsanan, K.D.Hyde & Maharachch. (2017) Order Savoryellales Boonyuen, Suetrong, Sivichai, K.L. Pang & E.B.G.Jones (2011) [monotypic] Family Savoryellaceae Jaklitsch & Réblová (2015) Genus Helicoon Morgan (1892)