asexual fungi R.T.Moore (1980) - fungi
  
 Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
    
 Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
      
 Class Sordariomycetes O.E. Erikss. & Winka (1997)
        
 Subclass Xylariomycetidae O.E. Erikss. & Winka (1997)
          
 Order Xylariales Nannf. (1932)
            
 01 Family Castanediellaceae Hern.-Restr., Guarro & Crous (2017)
            
 02 Family Diatrypaceae Nitschke (1869)
            
 03 Family Graphostromataceae M.E.Barr, J.D. Rogers & Y.M. Ju (1993)
            
 04 Family Hypoxylaceae DC. (1805)
            
 05 Family Lopadostomataceae Daranag. & K.D.Hyde (2015)
            
 06 Family Microdochiaceae Hern.-Restr., Crous & J.Z. Groenew. (2016)
            
 07 Family Polystigmataceae Höhn. ex Nannf. (1932)
            
 08 Family Xylariaceae Tul. & C.Tul. (1861)
            
 09 Anamorph genus Anungitea B.Sutton (1973), incertae sedis
            
 10 Genus Ascotrichella Valldos. & Guarro (1988), incertae sedis
            
 11 Genus Barrmaelia Rappaz (1995), incertae sedis
            
 12 Anamorph genus Beltraniopsis Bat. & J.L. Bezerra (1960), incertae sedis
            
 13 Anamorph genus Hadrotrichum Fuckel (1865), incertae sedis
            
 14 Anamorph genus Idriellopsis Hern.-Restr. & Crous (2016), incertae sedis
            
 15 Anamorph genus Kirstenboschia Quaedvl., Verkley & Crous (2013), incertae sedis
            
 16 Anamorph genus Paraidriella Hern.-Restr. & Crous (2015), incertae sedis
            
 17 Anamorph genus Polyancora Voglmayr & Yule (2006), incertae sedis
            
 18 Anamorph genus Pseudophloeospora Crous & R.G. Shivas (2010), incertae sedis
            
 19 Anamorph genus Sporidesmina Subram. & Bhat (1989), incertae sedis
            
 20 Anamorph genus Synnemadiella Crous & M.J. Wingf. (2016), incertae sedis
            
 21 Anamorph genus Synnemapestaloides T. Handa & Y.Harada (2004), incertae sedis
            
 22 Genus Tristratiperidium Daranag., Camporesi & K.D.Hyde (2015), incertae sedis
            
 23 Anamorph genus Xyladictyochaeta Hern.-Restr., R.F.Castañeda & Gené (2017), incertae sedis