Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
Class Eurotiomycetes O.E. Erikss. & Winka (1997)
Subclass Eurotiomycetidae Tehler ex Geiser & Lutzoni (2007), nom. inval.
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 Auxarthronopsis Rahul Sharma, Gräser & S.K. Singh (2011)
08 Genus Bifidocarpus Cano, Guarro & R.F.Castañeda (1994)
09 Genus Byssoonygena Guarro, Punsola & Cano (1987)
10 Genus Castanedomyces Cano, L.B. Pitarch & Guarro (2002)
11 Genus Chlamydosauromyces Sigler, Hambl. & Paré (2002)
12 Genus Chrysosporium Corda (1833)
13 Genus Coccidioides G.W. Stiles (1896)
14 Genus Kuehniella G.F. Orr (1976)
15 Genus Leucothecium Arx & Samson (1973)
16 Genus Malbranchea Sacc. (1882)
17 Genus Myotisia Kubátová, M. Kolařík & Hubka (2017)
18 Genus Myriodontium Samson & Polon. (1978)
19 Genus Neoarachnotheca Ulfig, Cano & Guarro (1997)
20 Genus Neogymnomyces G.F. Orr (1970)
21 Genus Onygena Pers. (1800), nom. sanct.
22 Genus Ophidiomyces Sigler, Hambleton & Paré (2013)
23 Genus Paranannizziopsis Sigler, Hambleton & Paré (2013)
24 Genus Pectinotrichum Varsavsky & G.F. Orr (1971)
25 Genus Polytolypa J.A. Scott & Malloch (1993)
26 Genus Pseudoamauroascus Cano, M. Solé & Guarro (2002)
27 Genus Renispora Sigler & J.W. Carmich. (1979)
28 Genus Sporendonema Desm. (1827), nom. sanct.
29 Genus Testudomyces Cano, M. Solé & Guarro (2002)
30 Genus Uncinocarpus Sigler & G.F. Orr (1976)
31 Genus Xanthothecium Arx & Samson (1973)