Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Sordariomycetes O.E. Erikss. & Winka (1997) Subclass Sordariomycetidae O.E. Erikss. & Winka (1997) Order Diaporthales Nannf. (1932) Family Melanconidaceae G.Winter (1886) Genus Prostratus Sivan., W.H. Hsieh & Chi Y. Chen (1993)