Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Family Tubeufiaceae M.E.Barr (1979) Genus Thaxterina Sivan., R.C. Rajak & R.C. Gupta (1988)