口蘑科
下级分类

本科包括以下属：
Aeruginospora Höhn.
Albomagister Birkebak & Matheny, 2014
Amparoina Singer, 1958
Archaeomarasmius D.S.Hibbett, D.Grimaldi & M.J.Donoghue, 1997
Arthromyces T.J.Baroni & Lodge, 2007
Arthrosporella Singer, 1970
Asproinocybe R.Heim, 1969
Aspropaxillus Kühner & Maire
Atractosporocybe P.Alvarado, G.Moreno & Vizzini
Austroclitocybe Raithelh.
Austroomphaliaster N.Garrido, 1988
Blasiphila
赭杯伞属 Bonomyces Vizzini
Brunneocorticium S.H.Wu, 2007
Callistodermatium R.Singer, 1981
色孢菌属 Callistosporium Singer
Camarophyllopsis Herink
拟鸡油菌属 Cantharellopsis Kuyper
小鸡油菌属 Cantharellula Singer
Catathelasma Lovejoy
Caulorhiza J.W.Lennox, 1979
假挂钟菌属 Cellypha Donk
Cercopemyces T.J.Baroni, Kropp & V.S.Evenson, 2014
脐棒菇属 Clavomphalia E.Horak, 1987
Cleistocybe J.F.Ammirati, A.D.Parker & P.B.Matheny, 2007
杯伞属 Clitocybe (Fr.) Staude, 1857
Clitolyophyllum E.Sesli, Vizzini & Contu, 2016
Clitolyophyllum akcaabatense Sesli, Vizzini & Contu
凹陷杯离褶伞 Clitolyophyllum umbilicatum J.Z.Xu & Yu Li
金钱菌属 Collybia (Fr.) Staude
孢贝伞属 Conchomyces Overeem
Corneriella Sánchez-García, 2014
Cortinellus
Cynema Maas Geesteranus & E.Horak, 1995
Cynema alutacea Maas Geest. & E.Horak
Cyphellocalathus R.Agerer, 1981
薄伞属 Delicatula Fayod
Dendrocollybia R.H.Petersen & Redhead
Dennisiomyces Singer
皮蘑属 Dermoloma (J.E.Lange) Singer
Dermoloma J.E.Lange ex Herink
Dictyolus
法伞菌属 Fayodia Kühner
加曼蘑属 Gamundia Raithelh.
贾康蘑属 Giacomia A.Vizzini & M.Contu, 2012
Gyroflexus
Gyrophila Quél.
近蜡伞属 Haasiella Kotl. & Pouzar
Hygrophorocybe
漏斗伞属 Infundibulicybe Harmaja
香蘑属 Lepista (Fr.) W.G.Sm.
Lepista S.Imai, 1937
Lepistella T.J.Baroni & Ovrebo, 2007
Leptoglossum (Cooke) Sacc.
Leptoglossum P.Karst., 1879
白丝膜菌属 Leucocortinarius (J.E.Lange) Singer
Leucocybe Vizzini et al.
白桩菇属 Leucopaxillus Boursier
白鳞伞属 Leucopholiota (Romagn.) O.K.Mill., T.J.Volk & Bessette
Limnoperdon
Loreleia
Lulesia Singer, 1970
大口蘑属 Macrocybe Pegler & Lodge
铦囊蘑属 Melanoleuca Pat., 1897
Melanomphalia M.P.Christ.
Microcollybia
藓瓣菌属 Mniopetalum Donk & Singer, 1962
Muscinupta Redhead, Lücking & Lawrey
孢微菇属 Mycenella (J.E.Lange) Singer
Mycoalvimia R.Singer, 1981
黏脐菇属 Myxomphalia Hora
Neoclitocybe Singer
Nothoclavulina Singer, 1970
Notholepista Vizzini & Contu
脐菇属 Omphalia (Fr.) Staude
脐星菇属 Omphaliaster Lamoure
亚脐菇属 Omphalina Quél., 1886
Palaeocephala Singer, 1962
近香蘑属 Paralepista Raithelh.
拟近香蘑属 Paralepistopsis A.Vizzini, 2012
Peglerochaete B.M.Sarwal & M.V.Locquin, 1983
Pegleromyces R.Singer, 1981
Phaeomycena R.Heim ex Singer & Digilio, 1966
褐蘑属 Phaeotellus
拟侧耳属 Phyllotopsis E.-J.Gilbert & Donk ex Singer
Phyllotus P.Karst.
Physocystidium Singer
Phytoconis
Pleurella E.Horak, 1971
Pleurocollybia Singer
Pleuromycenula
Pleurotopsis (Henn.) Earle, 1909
Pogonoloma (Singer) Sánchez-García, 2014
Porpoloma Singer
Protomycena D.S.Hibbett, D.Grimaldi & M.J.Donoghue, 1997
小蜜环菌属 Pseudoarmillariella (Singer) Singer, 1956
Pseudobaeospora Singer
假杯伞属 Pseudoclitocybe (Singer) Singer
假斜盖伞属 Pseudoclitopilus Vizzini & Contu
Pseudohiatula (Singer) Singer
Pseudohygrophorus Velenovský, 1939
Pseudolasiobolus Agerer
Pseudolyophyllum (Singer) Raithelh.
假亚脐菇属 Pseudoomphalina (Singer) Singer
Pseudotricholoma (Singer) Sánchez-García & Matheny, 2014
伏褶菌属 Resupinatus Nees ex Gray, 1821
Rhizocybe Vizzini, G.Moreno, P.Alvarado & Consiglio
Rhodocyphella
Rhodopaxillus Maire
Rickenella
缝伞属 Rimbachia Pat.
毛缘菇属 Ripartites P.Karst.
辛格杯伞属 Singerocybe Harmaja
泥炭藓菇属 Sphagnurus Redhead & V.Hofst., 2014
菌瘿伞属 Squamanita Imbach
Stanglomyces J.Raithelhuber, 1986
Stigmatolemma Kalchbr.
Tephroderma Contu & Musumeci, 2014
拟多头束霉属 Tilachlidiopsis K.Keissler, 1924
Tilachlidiopsis brasiliensis C.Ram & A.Ram
Tilachlidiopsis piptadeniae Bat. & H.Maia
金龟拟多头束霉 Tilachlidiopsis scarabaei L.S.Olive
Trichocybe Vizzini
口蘑屬 Tricholoma (Fr.) Staude
拟口蘑属 Tricholomopsis Singer
十字孢口蘑属 Tricholosporum Guzmán, 1975
Ugola Adans.