Domain Eucaryota Subdomain Amoebota Doweld (2001) Kingdom Mucorobiota Doweld (2001) Subkingdom Tuberobiotina Doweld (2001) Phylum Tuberomycota Doweld (2001) Subphylum Tuberomycotina Doweld (2001) Class Arthoniomycetes O.E. Erikss. & Winka (1997)