Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Leotiomycetes O.E. Erikss. & Winka (1997) Order Helotiales Nannf. (1932) Family Rutstroemiaceae Holst-Jensen, L.M. Kohn & T. Schumach. (1997) Genus Bicornispora Checa, Barrasa, M.N. Blanco & A.T. Martínez (1996)