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)
             01 Genus Amauroascus J.Schröt. (1893)
             02 Genus Aphanoascus Zukal (1890)
             03 Genus Apinisia La Touche (1968)
             04 Genus Arachnotheca Arx (1971)
             05 Genus Ascocalvatia Malloch & Cain (1971)
             06 Genus Auxarthron G.F. Orr & Kuehn (1963)
             07 Genus Bifidocarpus Cano, Guarro & R.F.Castañeda (1994)
             08 Genus Byssoonygena Guarro, Punsola & Cano (1987)
             09 Genus Chlamydosauromyces Sigler, Hambl. & Paré (2002)
             10 Genus Kuehniella G.F. Orr (1976)
             11 Genus Leucothecium Arx & Samson (1973)
             12 Genus Monascella Guarro & Arx (1986)
             13 Genus Nannizziopsis Currah (1985)
             14 Genus Neoarachnotheca Ulfig, Cano & Guarro (1997)
             15 Genus Neogymnomyces G.F. Orr (1970)
             16 Genus Onygena Pers. (1800), nom. sanct.
             17 Genus Pectinotrichum Varsavsky & G.F. Orr (1971)
             18 Genus Polytolypa J.A. Scott & Malloch (1993)
             19 ?Genus Pseudoamauroascus Cano, M. Solé & Guarro (2002)
             20 Genus Renispora Sigler & J.W. Carmich. (1979)
             21 Genus Spiromastix Kuehn & G.F. Orr (1962), nom. illeg. see Genus Spiromastigoides Doweld (2013)
             22 Genus Testudomyces Cano, M. Solé & Guarro (2002)
             23 Genus Uncinocarpus Sigler & G.F. Orr (1976)
             24 Genus Xanthothecium Arx & Samson (1973)