Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Eurotiomycetes O.E. Erikss. & Winka (1997) Subclass Chaetothyriomycetidae Doweld (2001) Order Pyrenulales Fink ex D.Hawksw. & O.E. Erikss. (1986) Family Trypetheliaceae Zenker (1827) Genus Campylothelium Müll.Arg. (1883)