Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Family Aspidotheliaceae Räsänen ex J.C. David & D.Hawksw. (1991) see Family Thelenellaceae O.E. Erikss. ex H. Mayrhofer (1987) 1 Genus Aspidothelium Vain. (1890) 2 Genus Musaespora Aptroot & Sipman (1993)