Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Leotiomycetes O.E. Erikss. & Winka (1997) Order Thelebolales P.F. Cannon (2001) Family Thelebolaceae Engl. (1892) Genus Leptokalpion Brumm. (1977)