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 Arachnomycetales Gibas, Sigler & Currah (2002) Family Arachnomycetaceae Gibas, Sigler & Currah (2002) 1 Genus Arachnomyces Massee & E.S. Salmon (1902)