Kingdom Fungi R.T.Moore (1980) - fungi Phylum Chytridiomycota Doweld (2001) Class Chytridiomycetes Moebius (1929) Genus Physorhizophidium Scherff. (1926), incertae sedis [monotypic] Physorhizophidium pachydermumᵀ Scherff. (1926)