Domain Eucaryota Subdomain Amoebota Doweld (2001) Kingdom Mucorobiota Doweld (2001) Subkingdom Mucorobiotina Doweld (2001) Phylum Mucoromycota Doweld (2001) 1 Class Mucoromycetes Doweld (2001) 2 Class Harpellomycetes Doweld (2001) 3 Class Laboulbeniomycetes Engl. (1897)