Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Dothideomycetes O.E. Erikss. & Winka (1997)
       Subclass Pleosporomycetidae C.L. Schoch, Spatafora, Crous & Shoemaker (2007)
         Order Pleosporales Luttr. ex M.E.Barr (1987)
           Family Halotthiaceae Y. Zhang ter, J. Fourn. & K.D.Hyde (2013)
             1 Genus Brunneoclavispora Phookamsak & K.D.Hyde (2015)
             2 Genus Halotthia Kohlm. (1963)
             3 Genus Mauritiana Poonyth, K.D.Hyde, Aptroot & Peerally (2000)
             4 Genus Neolophiostoma Boonmee & K.D.Hyde (2015)
             5 Genus Phaeoseptum Y. Zhang ter, J. Fourn. & K.D.Hyde (2013)
             6 Genus Pontoporeia Kohlm. (1963)
             7 Genus Sulcosporium Phookamsak & K.D.Hyde (2015)