Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Order Trypetheliales Lücking, Aptroot & Sipman (2008), incertae sedis Family Trypetheliaceae Zenker (1827) Genus Nigrovothelium Lücking, M.P. Nelsen & Aptroot (2016)