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) Family Hyponectriaceae Petr. (1923) Genus Rhachidicola O.E. Erikss. (2006), orth. inval. see Genus Rachidicola K.D.Hyde & J. Fröhl. (1995)