Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Eurotiomycetes O.E. Erikss. & Winka (1997) Subclass Eurotiomycetidae Doweld (2001) Order Onygenales Cif. ex Benny & Kimbr. (1980) Family Onygenaceae Berk. (1857) Genus Polytolypa J.A. Scott & Malloch (1993)